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| author | Dave Airlie <airlied@redhat.com> | 2020-04-22 02:40:34 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-04-22 02:41:35 +0200 |
| commit | 1aa63ddf726ea049279989b93b69b57ce6efd75b (patch) | |
| tree | b2850db923425621e7830918569572de9a22c86b | |
| parent | Merge tag 'drm-intel-next-2020-04-17' of git://anongit.freedesktop.org/drm/dr... (diff) | |
| parent | drm: kirin: Revert change to add register connect helper functions (diff) | |
| download | linux-1aa63ddf726ea049279989b93b69b57ce6efd75b.tar.xz linux-1aa63ddf726ea049279989b93b69b57ce6efd75b.zip | |
Merge tag 'drm-misc-next-2020-04-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.8:
UAPI Changes:
- drm: error out with EBUSY when device has existing master
- drm: rework SET_MASTER and DROP_MASTER perm handling
Cross-subsystem Changes:
- mm: export two symbols from slub/slob
- fbdev: savage: fix -Wextra build warning
- video: omap2: Use scnprintf() for avoiding potential buffer overflow
Core Changes:
- Remove drm_pci.h
- drm_pci_{alloc/free)() are now legacy
- Introduce managed DRM resourcesA
- Allow drivers to subclass struct drm_framebuffer
- Introduce struct drm_afbc_framebuffer and helpers
- fbdev: remove return value from generic fbdev setup
- Introduce simple-encoder helper
- vram-helpers: set fence on plane
- dp_mst: ACT timeout improvements
- dp_mst: Remove drm_dp_mst_has_audio()
- TTM: ttm_trace_dma_{map/unmap}() cleanups
- dma-buf: add flag for PCIP2P support
- EDID: Various improvements
- Encoder: cleanup semantics of possible_clones and possible_crtcs
- VBLANK documentation updates
- Writeback documentation updates
Driver Changes:
- Convert several drivers to i2c_new_client_device()
- Drop explicit drm_mode_config_cleanup() calls from drivers
- Auto-release device structures with drmm_add_final_kfree()
- Init bfdev console after registering DRM device
- Make various .debugfs functions return 0 unconditionally; ignore errors
- video: Use scnprintf() to avoid buffer overflows
- Convert drivers to simple encoders
- drm/amdgpu: note that we can handle peer2peer DMA-buf
- drm/amdgpu: add support for exporting VRAM using DMA-buf v3
- drm/kirin: Revert change to register connectors
- drm/lima: Add optional devfreq and cooling device support
- drm/lima: Various improvements wrt. task handling
- drm/panel: nt39016: Support multiple modes and 50Hz
- drm/panel: Support Leadtek LTK050H3146W
- drm/rockchip: Add support for afbc
- drm/virtio: Various cleanups
- drm/hisilicon/hibmc: Enforce 128-byte stride alignment
- drm/qxl: Fix notify port address of cursor ring buffer
- drm/sun4i: Improvements to format handling
- drm/bridge: dw-hdmi: Various improvements
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200414090738.GA16827@linux-uq9g
319 files changed, 7063 insertions, 2688 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/nwl-dsi.yaml b/Documentation/devicetree/bindings/display/bridge/nwl-dsi.yaml new file mode 100644 index 000000000000..8aff2d68fc33 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/nwl-dsi.yaml @@ -0,0 +1,226 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/nwl-dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Northwest Logic MIPI-DSI controller on i.MX SoCs + +maintainers: + - Guido Gúnther <agx@sigxcpu.org> + - Robert Chiras <robert.chiras@nxp.com> + +description: | + NWL MIPI-DSI host controller found on i.MX8 platforms. This is a dsi bridge for + the SOCs NWL MIPI-DSI host controller. + +properties: + compatible: + const: fsl,imx8mq-nwl-dsi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + clocks: + items: + - description: DSI core clock + - description: RX_ESC clock (used in escape mode) + - description: TX_ESC clock (used in escape mode) + - description: PHY_REF clock + - description: LCDIF clock + + clock-names: + items: + - const: core + - const: rx_esc + - const: tx_esc + - const: phy_ref + - const: lcdif + + mux-controls: + description: + mux controller node to use for operating the input mux + + phys: + maxItems: 1 + description: + A phandle to the phy module representing the DPHY + + phy-names: + items: + - const: dphy + + power-domains: + maxItems: 1 + + resets: + items: + - description: dsi byte reset line + - description: dsi dpi reset line + - description: dsi esc reset line + - description: dsi pclk reset line + + reset-names: + items: + - const: byte + - const: dpi + - const: esc + - const: pclk + + ports: + type: object + description: + A node containing DSI input & output port nodes with endpoint + definitions as documented in + Documentation/devicetree/bindings/graph.txt. + properties: + port@0: + type: object + description: + Input port node to receive pixel data from the + display controller. Exactly one endpoint must be + specified. + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + endpoint@0: + description: sub-node describing the input from LCDIF + type: object + + endpoint@1: + description: sub-node describing the input from DCSS + type: object + + reg: + const: 0 + + required: + - '#address-cells' + - '#size-cells' + - reg + + oneOf: + - required: + - endpoint@0 + - required: + - endpoint@1 + + additionalProperties: false + + port@1: + type: object + description: + DSI output port node to the panel or the next bridge + in the chain + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + required: + - '#address-cells' + - '#size-cells' + - port@0 + - port@1 + + additionalProperties: false + +patternProperties: + "^panel@[0-9]+$": + type: object + +required: + - '#address-cells' + - '#size-cells' + - clock-names + - clocks + - compatible + - interrupts + - mux-controls + - phy-names + - phys + - ports + - reg + - reset-names + - resets + +additionalProperties: false + +examples: + - | + + #include <dt-bindings/clock/imx8mq-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/reset/imx8mq-reset.h> + + mipi_dsi: mipi_dsi@30a00000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx8mq-nwl-dsi"; + reg = <0x30A00000 0x300>; + clocks = <&clk IMX8MQ_CLK_DSI_CORE>, + <&clk IMX8MQ_CLK_DSI_AHB>, + <&clk IMX8MQ_CLK_DSI_IPG_DIV>, + <&clk IMX8MQ_CLK_DSI_PHY_REF>, + <&clk IMX8MQ_CLK_LCDIF_PIXEL>; + clock-names = "core", "rx_esc", "tx_esc", "phy_ref", "lcdif"; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + mux-controls = <&mux 0>; + power-domains = <&pgc_mipi>; + resets = <&src IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N>, + <&src IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N>, + <&src IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N>, + <&src IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N>; + reset-names = "byte", "dpi", "esc", "pclk"; + phys = <&dphy>; + phy-names = "dphy"; + + panel@0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "rocktech,jh057n00900"; + reg = <0>; + port@0 { + reg = <0>; + panel_in: endpoint { + remote-endpoint = <&mipi_dsi_out>; + }; + }; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + #size-cells = <0>; + #address-cells = <1>; + reg = <0>; + mipi_dsi_in: endpoint@0 { + reg = <0>; + remote-endpoint = <&lcdif_mipi_dsi>; + }; + }; + port@1 { + reg = <1>; + mipi_dsi_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml index 740213459134..7f5df5851017 100644 --- a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml +++ b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml @@ -24,6 +24,8 @@ properties: - boe,tv101wum-n53 # AUO B101UAN08.3 10.1" WUXGA TFT LCD panel - auo,b101uan08.3 + # BOE TV105WUM-NW0 10.5" WUXGA TFT LCD panel + - boe,tv105wum-nw0 reg: description: the virtual channel number of a DSI peripheral diff --git a/Documentation/devicetree/bindings/display/panel/display-timings.yaml b/Documentation/devicetree/bindings/display/panel/display-timings.yaml index c8c0c9cb0492..56903ded005e 100644 --- a/Documentation/devicetree/bindings/display/panel/display-timings.yaml +++ b/Documentation/devicetree/bindings/display/panel/display-timings.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/display/panel/display-timings.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: display timing bindings +title: display timings bindings maintainers: - Thierry Reding <thierry.reding@gmail.com> @@ -14,7 +14,7 @@ maintainers: description: | A display panel may be able to handle several display timings, with different resolutions. - The display-timings node makes it possible to specify the timing + The display-timings node makes it possible to specify the timings and to specify the timing that is native for the display. properties: @@ -25,8 +25,8 @@ properties: $ref: /schemas/types.yaml#/definitions/phandle description: | The default display timing is the one specified as native-mode. - If no native-mode is specified then the first node is assumed the - native mode. + If no native-mode is specified then the first node is assumed + to be the native mode. patternProperties: "^timing": diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt deleted file mode 100644 index 82caa7b65ae8..000000000000 --- a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt +++ /dev/null @@ -1,20 +0,0 @@ -Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel - -Required properties: -- compatible: must be "feiyang,fy07024di26a30d" -- reg: DSI virtual channel used by that screen -- avdd-supply: analog regulator dc1 switch -- dvdd-supply: 3v3 digital regulator -- reset-gpios: a GPIO phandle for the reset pin - -Optional properties: -- backlight: phandle for the backlight control. - -panel@0 { - compatible = "feiyang,fy07024di26a30d"; - reg = <0>; - avdd-supply = <®_dc1sw>; - dvdd-supply = <®_dldo2>; - reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ - backlight = <&backlight>; -}; diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml new file mode 100644 index 000000000000..95acf9e96f1c --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/feiyang,fy07024di26a30d.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel + +maintainers: + - Jagan Teki <jagan@amarulasolutions.com> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: feiyang,fy07024di26a30d + + reg: + description: DSI virtual channel used by that screen + maxItems: 1 + + avdd-supply: + description: analog regulator dc1 switch + + dvdd-supply: + description: 3v3 digital regulator + + reset-gpios: true + + backlight: true + +required: + - compatible + - reg + - avdd-supply + - dvdd-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "feiyang,fy07024di26a30d"; + reg = <0>; + avdd-supply = <®_dc1sw>; + dvdd-supply = <®_dldo2>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ + backlight = <&backlight>; + }; + }; diff --git a/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml b/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml new file mode 100644 index 000000000000..a372bdc5bde1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/leadtek,ltk050h3146w.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Leadtek LTK050H3146W 5.0in 720x1280 DSI panel + +maintainers: + - Heiko Stuebner <heiko.stuebner@theobroma-systems.com> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + enum: + - leadtek,ltk050h3146w + - leadtek,ltk050h3146w-a2 + reg: true + backlight: true + reset-gpios: true + iovcc-supply: + description: regulator that supplies the iovcc voltage + vci-supply: + description: regulator that supplies the vci voltage + +required: + - compatible + - reg + - backlight + - iovcc-supply + - vci-supply + +additionalProperties: false + +examples: + - | + dsi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "leadtek,ltk050h3146w"; + reg = <0>; + backlight = <&backlight>; + iovcc-supply = <&vcc_1v8>; + vci-supply = <&vcc3v3_lcd>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml b/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml index fd931b293816..b900973b5f7b 100644 --- a/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml +++ b/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml @@ -37,7 +37,6 @@ examples: dsi { #address-cells = <1>; #size-cells = <0>; - reg = <0xff450000 0x1000>; panel@0 { compatible = "leadtek,ltk500hd1829"; diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml index ed051ba12084..dd97907a7450 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml @@ -63,9 +63,9 @@ properties: display-timings: description: - Some display panels supports several resolutions with different timing. + Some display panels support several resolutions with different timings. The display-timings bindings supports specifying several timings and - optional specify which is the native mode. + optionally specifying which is the native mode. allOf: - $ref: display-timings.yaml# diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml index 393ffc6acbba..8fc117d1547c 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml @@ -227,6 +227,8 @@ properties: - sharp,ls020b1dd01d # Shelly SCA07010-BFN-LNN 7.0" WVGA TFT LCD panel - shelly,sca07010-bfn-lnn + # Starry KR070PE2T 7" WVGA TFT LCD panel + - starry,kr070pe2t # Starry 12.2" (1920x1200 pixels) TFT LCD panel - starry,kr122ea0sra # Tianma Micro-electronics TM070JDHG30 7.0" WXGA TFT LCD panel diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt deleted file mode 100644 index ccd17597f1f6..000000000000 --- a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt +++ /dev/null @@ -1,30 +0,0 @@ -Sitronix ST7701 based LCD panels - -ST7701 designed for small and medium sizes of TFT LCD display, is -capable of supporting up to 480RGBX864 in resolution. It provides -several system interfaces like MIPI/RGB/SPI. - -Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has -inbuilt ST7701 chip. - -Required properties: -- compatible: must be "sitronix,st7701" and one of - * "techstar,ts8550b" -- reset-gpios: a GPIO phandle for the reset pin - -Required properties for techstar,ts8550b: -- reg: DSI virtual channel used by that screen -- VCC-supply: analog regulator for MIPI circuit -- IOVCC-supply: I/O system regulator - -Optional properties: -- backlight: phandle for the backlight control. - -panel@0 { - compatible = "techstar,ts8550b", "sitronix,st7701"; - reg = <0>; - VCC-supply = <®_dldo2>; - IOVCC-supply = <®_dldo2>; - reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ - backlight = <&backlight>; -}; diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml new file mode 100644 index 000000000000..6dff59fe4be1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/sitronix,st7701.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7701 based LCD panels + +maintainers: + - Jagan Teki <jagan@amarulasolutions.com> + +description: | + ST7701 designed for small and medium sizes of TFT LCD display, is + capable of supporting up to 480RGBX864 in resolution. It provides + several system interfaces like MIPI/RGB/SPI. + + Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has + inbuilt ST7701 chip. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - techstar,ts8550b + - const: sitronix,st7701 + + reg: + description: DSI virtual channel used by that screen + maxItems: 1 + + VCC-supply: + description: analog regulator for MIPI circuit + + IOVCC-supply: + description: I/O system regulator + + reset-gpios: true + + backlight: true + +required: + - compatible + - reg + - VCC-supply + - IOVCC-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "techstar,ts8550b", "sitronix,st7701"; + reg = <0>; + VCC-supply = <®_dldo2>; + IOVCC-supply = <®_dldo2>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ + backlight = <&backlight>; + }; + }; diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml new file mode 100644 index 000000000000..b36f39f6b233 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/visionox,rm69299.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Visionox model RM69299 Panels Device Tree Bindings. + +maintainers: + - Harigovindan P <harigovi@codeaurora.org> + +description: | + This binding is for display panels using a Visionox RM692999 panel. + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: visionox,rm69299-1080p-display + + vdda-supply: + description: | + Phandle of the regulator that provides the vdda supply voltage. + + vdd3p3-supply: + description: | + Phandle of the regulator that provides the vdd3p3 supply voltage. + + port: true + reset-gpios: true + +additionalProperties: false + +required: + - compatible + - vdda-supply + - vdd3p3-supply + - reset-gpios + - port + +examples: + - | + panel { + compatible = "visionox,rm69299-1080p-display"; + + vdda-supply = <&src_pp1800_l8c>; + vdd3p3-supply = <&src_pp2800_l18a>; + + reset-gpios = <&pm6150l_gpio 3 0>; + port { + panel0_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml b/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml index d9fdb58e06b4..6913923df569 100644 --- a/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml +++ b/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml @@ -37,7 +37,6 @@ examples: dsi { #address-cells = <1>; #size-cells = <0>; - reg = <0xff450000 0x1000>; panel@0 { compatible = "xinpeng,xpp055c272"; diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt deleted file mode 100644 index 8b3a5f514205..000000000000 --- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt +++ /dev/null @@ -1,74 +0,0 @@ -device-tree bindings for rockchip soc display controller (vop) - -VOP (Visual Output Processor) is the Display Controller for the Rockchip -series of SoCs which transfers the image data from a video memory -buffer to an external LCD interface. - -Required properties: -- compatible: value should be one of the following - "rockchip,rk3036-vop"; - "rockchip,rk3126-vop"; - "rockchip,px30-vop-lit"; - "rockchip,px30-vop-big"; - "rockchip,rk3066-vop"; - "rockchip,rk3188-vop"; - "rockchip,rk3288-vop"; - "rockchip,rk3368-vop"; - "rockchip,rk3366-vop"; - "rockchip,rk3399-vop-big"; - "rockchip,rk3399-vop-lit"; - "rockchip,rk3228-vop"; - "rockchip,rk3328-vop"; - -- reg: Must contain one entry corresponding to the base address and length - of the register space. Can optionally contain a second entry - corresponding to the CRTC gamma LUT address. - -- interrupts: should contain a list of all VOP IP block interrupts in the - order: VSYNC, LCD_SYSTEM. The interrupt specifier - format depends on the interrupt controller used. - -- clocks: must include clock specifiers corresponding to entries in the - clock-names property. - -- clock-names: Must contain - aclk_vop: for ddr buffer transfer. - hclk_vop: for ahb bus to R/W the phy regs. - dclk_vop: pixel clock. - -- resets: Must contain an entry for each entry in reset-names. - See ../reset/reset.txt for details. -- reset-names: Must include the following entries: - - axi - - ahb - - dclk - -- iommus: required a iommu node - -- port: A port node with endpoint definitions as defined in - Documentation/devicetree/bindings/media/video-interfaces.txt. - -Example: -SoC specific DT entry: - vopb: vopb@ff930000 { - compatible = "rockchip,rk3288-vop"; - reg = <0x0 0xff930000 0x0 0x19c>, <0x0 0xff931000 0x0 0x1000>; - interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&cru ACLK_VOP0>, <&cru DCLK_VOP0>, <&cru HCLK_VOP0>; - clock-names = "aclk_vop", "dclk_vop", "hclk_vop"; - resets = <&cru SRST_LCDC1_AXI>, <&cru SRST_LCDC1_AHB>, <&cru SRST_LCDC1_DCLK>; - reset-names = "axi", "ahb", "dclk"; - iommus = <&vopb_mmu>; - vopb_out: port { - #address-cells = <1>; - #size-cells = <0>; - vopb_out_edp: endpoint@0 { - reg = <0>; - remote-endpoint=<&edp_in_vopb>; - }; - vopb_out_hdmi: endpoint@1 { - reg = <1>; - remote-endpoint=<&hdmi_in_vopb>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml new file mode 100644 index 000000000000..1695e3e4bcec --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/rockchip/rockchip-vop.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip SoC display controller (VOP) + +description: + VOP (Video Output Processor) is the display controller for the Rockchip + series of SoCs which transfers the image data from a video memory + buffer to an external LCD interface. + +maintainers: + - Sandy Huang <hjc@rock-chips.com> + - Heiko Stuebner <heiko@sntech.de> + +properties: + compatible: + enum: + - rockchip,px30-vop-big + - rockchip,px30-vop-lit + - rockchip,rk3036-vop + - rockchip,rk3066-vop + - rockchip,rk3126-vop + - rockchip,rk3188-vop + - rockchip,rk3228-vop + - rockchip,rk3288-vop + - rockchip,rk3328-vop + - rockchip,rk3366-vop + - rockchip,rk3368-vop + - rockchip,rk3399-vop-big + - rockchip,rk3399-vop-lit + + reg: + minItems: 1 + items: + - description: + Must contain one entry corresponding to the base address and length + of the register space. + - description: + Can optionally contain a second entry corresponding to + the CRTC gamma LUT address. + + interrupts: + maxItems: 1 + description: + The VOP interrupt is shared by several interrupt sources, such as + frame start (VSYNC), line flag and other status interrupts. + + clocks: + items: + - description: Clock for ddr buffer transfer. + - description: Pixel clock. + - description: Clock for the ahb bus to R/W the phy regs. + + clock-names: + items: + - const: aclk_vop + - const: dclk_vop + - const: hclk_vop + + resets: + maxItems: 3 + + reset-names: + items: + - const: axi + - const: ahb + - const: dclk + + port: + type: object + description: + A port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + + assigned-clocks: + maxItems: 2 + + assigned-clock-rates: + maxItems: 2 + + iommus: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - reset-names + - port + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/rk3288-cru.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/rk3288-power.h> + vopb: vopb@ff930000 { + compatible = "rockchip,rk3288-vop"; + reg = <0x0 0xff930000 0x0 0x19c>, + <0x0 0xff931000 0x0 0x1000>; + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru ACLK_VOP0>, + <&cru DCLK_VOP0>, + <&cru HCLK_VOP0>; + clock-names = "aclk_vop", "dclk_vop", "hclk_vop"; + power-domains = <&power RK3288_PD_VIO>; + resets = <&cru SRST_LCDC1_AXI>, + <&cru SRST_LCDC1_AHB>, + <&cru SRST_LCDC1_DCLK>; + reset-names = "axi", "ahb", "dclk"; + iommus = <&vopb_mmu>; + vopb_out: port { + #address-cells = <1>; + #size-cells = <0>; + vopb_out_edp: endpoint@0 { + reg = <0>; + remote-endpoint=<&edp_in_vopb>; + }; + vopb_out_hdmi: endpoint@1 { + reg = <1>; + remote-endpoint=<&hdmi_in_vopb>; + }; + }; + }; diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst index a73320576ca9..12272b168580 100644 --- a/Documentation/gpu/drm-internals.rst +++ b/Documentation/gpu/drm-internals.rst @@ -132,6 +132,18 @@ be unmapped; on many devices, the ROM address decoder is shared with other BARs, so leaving it mapped could cause undesired behaviour like hangs or memory corruption. +Managed Resources +----------------- + +.. kernel-doc:: drivers/gpu/drm/drm_managed.c + :doc: managed resources + +.. kernel-doc:: drivers/gpu/drm/drm_managed.c + :export: + +.. kernel-doc:: include/drm/drm_managed.h + :internal: + Bus-specific Device Registration and PCI Support ------------------------------------------------ diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst index 906771e03103..397314d08f77 100644 --- a/Documentation/gpu/drm-kms.rst +++ b/Documentation/gpu/drm-kms.rst @@ -3,7 +3,7 @@ Kernel Mode Setting (KMS) ========================= Drivers must initialize the mode setting core by calling -drm_mode_config_init() on the DRM device. The function +drmm_mode_config_init() on the DRM device. The function initializes the :c:type:`struct drm_device <drm_device>` mode_config field and never fails. Once done, mode configuration must be setup by initializing the following fields. @@ -397,6 +397,9 @@ Connector Functions Reference Writeback Connectors -------------------- +.. kernel-doc:: include/drm/drm_writeback.h + :internal: + .. kernel-doc:: drivers/gpu/drm/drm_writeback.c :doc: overview diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst index c77b32601260..1839762044be 100644 --- a/Documentation/gpu/drm-mm.rst +++ b/Documentation/gpu/drm-mm.rst @@ -373,15 +373,6 @@ GEM CMA Helper Functions Reference .. kernel-doc:: drivers/gpu/drm/drm_gem_cma_helper.c :export: -VRAM Helper Function Reference -============================== - -.. kernel-doc:: drivers/gpu/drm/drm_vram_helper_common.c - :doc: overview - -.. kernel-doc:: include/drm/drm_gem_vram_helper.h - :internal: - GEM VRAM Helper Functions Reference ----------------------------------- diff --git a/MAINTAINERS b/MAINTAINERS index b816a453b10e..32eb552c972d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5045,7 +5045,7 @@ F: drivers/dma-buf/ F: include/linux/*fence.h F: include/linux/dma-buf* F: include/linux/dma-resv.h -K: dma_(buf|fence|resv) +K: \bdma_(?:buf|fence|resv)\b DMA GENERIC OFFLOAD ENGINE SUBSYSTEM M: Vinod Koul <vkoul@kernel.org> @@ -5300,7 +5300,7 @@ F: drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c DRM DRIVER FOR FEIYANG FY07024DI26A30-D MIPI-DSI LCD PANELS M: Jagan Teki <jagan@amarulasolutions.com> S: Maintained -F: Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt +F: Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml F: drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c DRM DRIVER FOR GRAIN MEDIA GM12U320 PROJECTORS @@ -5450,7 +5450,7 @@ F: drivers/gpu/drm/tiny/st7586.c DRM DRIVER FOR SITRONIX ST7701 PANELS M: Jagan Teki <jagan@amarulasolutions.com> S: Maintained -F: Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt +F: Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml F: drivers/gpu/drm/panel/panel-sitronix-st7701.c DRM DRIVER FOR SITRONIX ST7735R PANELS diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile index 9c190026bfab..995e05f609ff 100644 --- a/drivers/dma-buf/Makefile +++ b/drivers/dma-buf/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_UDMABUF) += udmabuf.o dmabuf_selftests-y := \ selftest.o \ - st-dma-fence.o + st-dma-fence.o \ + st-dma-fence-chain.o obj-$(CONFIG_DMABUF_SELFTESTS) += dmabuf_selftests.o diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index ccc9eda1bc28..570c923023e6 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -690,6 +690,8 @@ dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev, attach->dev = dev; attach->dmabuf = dmabuf; + if (importer_ops) + attach->peer2peer = importer_ops->allow_peer2peer; attach->importer_ops = importer_ops; attach->importer_priv = importer_priv; diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c index 44a741677d25..c435bbba851c 100644 --- a/drivers/dma-buf/dma-fence-chain.c +++ b/drivers/dma-buf/dma-fence-chain.c @@ -62,7 +62,8 @@ struct dma_fence *dma_fence_chain_walk(struct dma_fence *fence) replacement = NULL; } - tmp = cmpxchg((void **)&chain->prev, (void *)prev, (void *)replacement); + tmp = cmpxchg((struct dma_fence __force **)&chain->prev, + prev, replacement); if (tmp == prev) dma_fence_put(tmp); else @@ -98,6 +99,12 @@ int dma_fence_chain_find_seqno(struct dma_fence **pfence, uint64_t seqno) return -EINVAL; dma_fence_chain_for_each(*pfence, &chain->base) { + if ((*pfence)->seqno < seqno) { /* already signaled */ + dma_fence_put(*pfence); + *pfence = NULL; + break; + } + if ((*pfence)->context != chain->base.context || to_dma_fence_chain(*pfence)->prev_seqno < seqno) break; @@ -221,6 +228,7 @@ EXPORT_SYMBOL(dma_fence_chain_ops); * @chain: the chain node to initialize * @prev: the previous fence * @fence: the current fence + * @seqno: the sequence number (syncpt) of the fence within the chain * * Initialize a new chain node and either start a new chain or add the node to * the existing chain of the previous fence. diff --git a/drivers/dma-buf/selftests.h b/drivers/dma-buf/selftests.h index 5320386f02e5..55918ef9adab 100644 --- a/drivers/dma-buf/selftests.h +++ b/drivers/dma-buf/selftests.h @@ -11,3 +11,4 @@ */ selftest(sanitycheck, __sanitycheck__) /* keep first (igt selfcheck) */ selftest(dma_fence, dma_fence) +selftest(dma_fence_chain, dma_fence_chain) diff --git a/drivers/dma-buf/st-dma-fence-chain.c b/drivers/dma-buf/st-dma-fence-chain.c new file mode 100644 index 000000000000..5d45ba7ba3cd --- /dev/null +++ b/drivers/dma-buf/st-dma-fence-chain.c @@ -0,0 +1,715 @@ +// SPDX-License-Identifier: MIT + +/* + * Copyright © 2019 Intel Corporation + */ + +#include <linux/delay.h> +#include <linux/dma-fence.h> +#include <linux/dma-fence-chain.h> +#include <linux/kernel.h> +#include <linux/kthread.h> +#include <linux/mm.h> +#include <linux/sched/signal.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/random.h> + +#include "selftest.h" + +#define CHAIN_SZ (4 << 10) + +static struct kmem_cache *slab_fences; + +static inline struct mock_fence { + struct dma_fence base; + spinlock_t lock; +} *to_mock_fence(struct dma_fence *f) { + return container_of(f, struct mock_fence, base); +} + +static const char *mock_name(struct dma_fence *f) +{ + return "mock"; +} + +static void mock_fence_release(struct dma_fence *f) +{ + kmem_cache_free(slab_fences, to_mock_fence(f)); +} + +static const struct dma_fence_ops mock_ops = { + .get_driver_name = mock_name, + .get_timeline_name = mock_name, + .release = mock_fence_release, +}; + +static struct dma_fence *mock_fence(void) +{ + struct mock_fence *f; + + f = kmem_cache_alloc(slab_fences, GFP_KERNEL); + if (!f) + return NULL; + + spin_lock_init(&f->lock); + dma_fence_init(&f->base, &mock_ops, &f->lock, 0, 0); + + return &f->base; +} + +static inline struct mock_chain { + struct dma_fence_chain base; +} *to_mock_chain(struct dma_fence *f) { + return container_of(f, struct mock_chain, base.base); +} + +static struct dma_fence *mock_chain(struct dma_fence *prev, + struct dma_fence *fence, + u64 seqno) +{ + struct mock_chain *f; + + f = kmalloc(sizeof(*f), GFP_KERNEL); + if (!f) + return NULL; + + dma_fence_chain_init(&f->base, + dma_fence_get(prev), + dma_fence_get(fence), + seqno); + + return &f->base.base; +} + +static int sanitycheck(void *arg) +{ + struct dma_fence *f, *chain; + int err = 0; + + f = mock_fence(); + if (!f) + return -ENOMEM; + + chain = mock_chain(NULL, f, 1); + if (!chain) + err = -ENOMEM; + + dma_fence_signal(f); + dma_fence_put(f); + + dma_fence_put(chain); + + return err; +} + +struct fence_chains { + unsigned int chain_length; + struct dma_fence **fences; + struct dma_fence **chains; + + struct dma_fence *tail; +}; + +static uint64_t seqno_inc(unsigned int i) +{ + return i + 1; +} + +static int fence_chains_init(struct fence_chains *fc, unsigned int count, + uint64_t (*seqno_fn)(unsigned int)) +{ + unsigned int i; + int err = 0; + + fc->chains = kvmalloc_array(count, sizeof(*fc->chains), + GFP_KERNEL | __GFP_ZERO); + if (!fc->chains) + return -ENOMEM; + + fc->fences = kvmalloc_array(count, sizeof(*fc->fences), + GFP_KERNEL | __GFP_ZERO); + if (!fc->fences) { + err = -ENOMEM; + goto err_chains; + } + + fc->tail = NULL; + for (i = 0; i < count; i++) { + fc->fences[i] = mock_fence(); + if (!fc->fences[i]) { + err = -ENOMEM; + goto unwind; + } + + fc->chains[i] = mock_chain(fc->tail, + fc->fences[i], + seqno_fn(i)); + if (!fc->chains[i]) { + err = -ENOMEM; + goto unwind; + } + + fc->tail = fc->chains[i]; + } + + fc->chain_length = i; + return 0; + +unwind: + for (i = 0; i < count; i++) { + dma_fence_put(fc->fences[i]); + dma_fence_put(fc->chains[i]); + } + kvfree(fc->fences); +err_chains: + kvfree(fc->chains); + return err; +} + +static void fence_chains_fini(struct fence_chains *fc) +{ + unsigned int i; + + for (i = 0; i < fc->chain_length; i++) { + dma_fence_signal(fc->fences[i]); + dma_fence_put(fc->fences[i]); + } + kvfree(fc->fences); + + for (i = 0; i < fc->chain_length; i++) + dma_fence_put(fc->chains[i]); + kvfree(fc->chains); +} + +static int find_seqno(void *arg) +{ + struct fence_chains fc; + struct dma_fence *fence; + int err; + int i; + + err = fence_chains_init(&fc, 64, seqno_inc); + if (err) + return err; + + fence = dma_fence_get(fc.tail); + err = dma_fence_chain_find_seqno(&fence, 0); + dma_fence_put(fence); + if (err) { + pr_err("Reported %d for find_seqno(0)!\n", err); + goto err; + } + + for (i = 0; i < fc.chain_length; i++) { + fence = dma_fence_get(fc.tail); + err = dma_fence_chain_find_seqno(&fence, i + 1); + dma_fence_put(fence); + if (err) { + pr_err("Reported %d for find_seqno(%d:%d)!\n", + err, fc.chain_length + 1, i + 1); + goto err; + } + if (fence != fc.chains[i]) { + pr_err("Incorrect fence reported by find_seqno(%d:%d)\n", + fc.chain_length + 1, i + 1); + err = -EINVAL; + goto err; + } + + dma_fence_get(fence); + err = dma_fence_chain_find_seqno(&fence, i + 1); + dma_fence_put(fence); + if (err) { + pr_err("Error reported for finding self\n"); + goto err; + } + if (fence != fc.chains[i]) { + pr_err("Incorrect fence reported by find self\n"); + err = -EINVAL; + goto err; + } + + dma_fence_get(fence); + err = dma_fence_chain_find_seqno(&fence, i + 2); + dma_fence_put(fence); + if (!err) { + pr_err("Error not reported for future fence: find_seqno(%d:%d)!\n", + i + 1, i + 2); + err = -EINVAL; + goto err; + } + + dma_fence_get(fence); + err = dma_fence_chain_find_seqno(&fence, i); + dma_fence_put(fence); + if (err) { + pr_err("Error reported for previous fence!\n"); + goto err; + } + if (i > 0 && fence != fc.chains[i - 1]) { + pr_err("Incorrect fence reported by find_seqno(%d:%d)\n", + i + 1, i); + err = -EINVAL; + goto err; + } + } + +err: + fence_chains_fini(&fc); + return err; +} + +static int find_signaled(void *arg) +{ + struct fence_chains fc; + struct dma_fence *fence; + int err; + + err = fence_chains_init(&fc, 2, seqno_inc); + if (err) + return err; + + dma_fence_signal(fc.fences[0]); + + fence = dma_fence_get(fc.tail); + err = dma_fence_chain_find_seqno(&fence, 1); + dma_fence_put(fence); + if (err) { + pr_err("Reported %d for find_seqno()!\n", err); + goto err; + } + + if (fence && fence != fc.chains[0]) { + pr_err("Incorrect chain-fence.seqno:%lld reported for completed seqno:1\n", + fence->seqno); + + dma_fence_get(fence); + err = dma_fence_chain_find_seqno(&fence, 1); + dma_fence_put(fence); + if (err) + pr_err("Reported %d for finding self!\n", err); + + err = -EINVAL; + } + +err: + fence_chains_fini(&fc); + return err; +} + +static int find_out_of_order(void *arg) +{ + struct fence_chains fc; + struct dma_fence *fence; + int err; + + err = fence_chains_init(&fc, 3, seqno_inc); + if (err) + return err; + + dma_fence_signal(fc.fences[1]); + + fence = dma_fence_get(fc.tail); + err = dma_fence_chain_find_seqno(&fence, 2); + dma_fence_put(fence); + if (err) { + pr_err("Reported %d for find_seqno()!\n", err); + goto err; + } + + if (fence && fence != fc.chains[1]) { + pr_err("Incorrect chain-fence.seqno:%lld reported for completed seqno:2\n", + fence->seqno); + + dma_fence_get(fence); + err = dma_fence_chain_find_seqno(&fence, 2); + dma_fence_put(fence); + if (err) + pr_err("Reported %d for finding self!\n", err); + + err = -EINVAL; + } + +err: + fence_chains_fini(&fc); + return err; +} + +static uint64_t seqno_inc2(unsigned int i) +{ + return 2 * i + 2; +} + +static int find_gap(void *arg) +{ + struct fence_chains fc; + struct dma_fence *fence; + int err; + int i; + + err = fence_chains_init(&fc, 64, seqno_inc2); + if (err) + return err; + + for (i = 0; i < fc.chain_length; i++) { + fence = dma_fence_get(fc.tail); + err = dma_fence_chain_find_seqno(&fence, 2 * i + 1); + dma_fence_put(fence); + if (err) { + pr_err("Reported %d for find_seqno(%d:%d)!\n", + err, fc.chain_length + 1, 2 * i + 1); + goto err; + } + if (fence != fc.chains[i]) { + pr_err("Incorrect fence.seqno:%lld reported by find_seqno(%d:%d)\n", + fence->seqno, + fc.chain_length + 1, + 2 * i + 1); + err = -EINVAL; + goto err; + } + + dma_fence_get(fence); + err = dma_fence_chain_find_seqno(&fence, 2 * i + 2); + dma_fence_put(fence); + if (err) { + pr_err("Error reported for finding self\n"); + goto err; + } + if (fence != fc.chains[i]) { + pr_err("Incorrect fence reported by find self\n"); + err = -EINVAL; + goto err; + } + } + +err: + fence_chains_fini(&fc); + return err; +} + +struct find_race { + struct fence_chains fc; + atomic_t children; +}; + +static int __find_race(void *arg) +{ + struct find_race *data = arg; + int err = 0; + + while (!kthread_should_stop()) { + struct dma_fence *fence = dma_fence_get(data->fc.tail); + int seqno; + + seqno = prandom_u32_max(data->fc.chain_length) + 1; + + err = dma_fence_chain_find_seqno(&fence, seqno); + if (err) { + pr_err("Failed to find fence seqno:%d\n", + seqno); + dma_fence_put(fence); + break; + } + if (!fence) + goto signal; + + err = dma_fence_chain_find_seqno(&fence, seqno); + if (err) { + pr_err("Reported an invalid fence for find-self:%d\n", + seqno); + dma_fence_put(fence); + break; + } + + if (fence->seqno < seqno) { + pr_err("Reported an earlier fence.seqno:%lld for seqno:%d\n", + fence->seqno, seqno); + err = -EINVAL; + dma_fence_put(fence); + break; + } + + dma_fence_put(fence); + +signal: + seqno = prandom_u32_max(data->fc.chain_length - 1); + dma_fence_signal(data->fc.fences[seqno]); + cond_resched(); + } + + if (atomic_dec_and_test(&data->children)) + wake_up_var(&data->children); + return err; +} + +static int find_race(void *arg) +{ + struct find_race data; + int ncpus = num_online_cpus(); + struct task_struct **threads; + unsigned long count; + int err; + int i; + + err = fence_chains_init(&data.fc, CHAIN_SZ, seqno_inc); + if (err) + return err; + + threads = kmalloc_array(ncpus, sizeof(*threads), GFP_KERNEL); + if (!threads) { + err = -ENOMEM; + goto err; + } + + atomic_set(&data.children, 0); + for (i = 0; i < ncpus; i++) { + threads[i] = kthread_run(__find_race, &data, "dmabuf/%d", i); + if (IS_ERR(threads[i])) { + ncpus = i; + break; + } + atomic_inc(&data.children); + get_task_struct(threads[i]); + } + + wait_var_event_timeout(&data.children, + !atomic_read(&data.children), + 5 * HZ); + + for (i = 0; i < ncpus; i++) { + int ret; + + ret = kthread_stop(threads[i]); + if (ret && !err) + err = ret; + put_task_struct(threads[i]); + } + kfree(threads); + + count = 0; + for (i = 0; i < data.fc.chain_length; i++) + if (dma_fence_is_signaled(data.fc.fences[i])) + count++; + pr_info("Completed %lu cycles\n", count); + +err: + fence_chains_fini(&data.fc); + return err; +} + +static int signal_forward(void *arg) +{ + struct fence_chains fc; + int err; + int i; + + err = fence_chains_init(&fc, 64, seqno_inc); + if (err) + return err; + + for (i = 0; i < fc.chain_length; i++) { + dma_fence_signal(fc.fences[i]); + + if (!dma_fence_is_signaled(fc.chains[i])) { + pr_err("chain[%d] not signaled!\n", i); + err = -EINVAL; + goto err; + } + + if (i + 1 < fc.chain_length && + dma_fence_is_signaled(fc.chains[i + 1])) { + pr_err("chain[%d] is signaled!\n", i); + err = -EINVAL; + goto err; + } + } + +err: + fence_chains_fini(&fc); + return err; +} + +static int signal_backward(void *arg) +{ + struct fence_chains fc; + int err; + int i; + + err = fence_chains_init(&fc, 64, seqno_inc); + if (err) + return err; + + for (i = fc.chain_length; i--; ) { + dma_fence_signal(fc.fences[i]); + + if (i > 0 && dma_fence_is_signaled(fc.chains[i])) { + pr_err("chain[%d] is signaled!\n", i); + err = -EINVAL; + goto err; + } + } + + for (i = 0; i < fc.chain_length; i++) { + if (!dma_fence_is_signaled(fc.chains[i])) { + pr_err("chain[%d] was not signaled!\n", i); + err = -EINVAL; + goto err; + } + } + +err: + fence_chains_fini(&fc); + return err; +} + +static int __wait_fence_chains(void *arg) +{ + struct fence_chains *fc = arg; + + if (dma_fence_wait(fc->tail, false)) + return -EIO; + + return 0; +} + +static int wait_forward(void *arg) +{ + struct fence_chains fc; + struct task_struct *tsk; + int err; + int i; + + err = fence_chains_init(&fc, CHAIN_SZ, seqno_inc); + if (err) + return err; + + tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait"); + if (IS_ERR(tsk)) { + err = PTR_ERR(tsk); + goto err; + } + get_task_struct(tsk); + yield_to(tsk, true); + + for (i = 0; i < fc.chain_length; i++) + dma_fence_signal(fc.fences[i]); + + err = kthread_stop(tsk); + put_task_struct(tsk); + +err: + fence_chains_fini(&fc); + return err; +} + +static int wait_backward(void *arg) +{ + struct fence_chains fc; + struct task_struct *tsk; + int err; + int i; + + err = fence_chains_init(&fc, CHAIN_SZ, seqno_inc); + if (err) + return err; + + tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait"); + if (IS_ERR(tsk)) { + err = PTR_ERR(tsk); + goto err; + } + get_task_struct(tsk); + yield_to(tsk, true); + + for (i = fc.chain_length; i--; ) + dma_fence_signal(fc.fences[i]); + + err = kthread_stop(tsk); + put_task_struct(tsk); + +err: + fence_chains_fini(&fc); + return err; +} + +static void randomise_fences(struct fence_chains *fc) +{ + unsigned int count = fc->chain_length; + + /* Fisher-Yates shuffle courtesy of Knuth */ + while (--count) { + unsigned int swp; + + swp = prandom_u32_max(count + 1); + if (swp == count) + continue; + + swap(fc->fences[count], fc->fences[swp]); + } +} + +static int wait_random(void *arg) +{ + struct fence_chains fc; + struct task_struct *tsk; + int err; + int i; + + err = fence_chains_init(&fc, CHAIN_SZ, seqno_inc); + if (err) + return err; + + randomise_fences(&fc); + + tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait"); + if (IS_ERR(tsk)) { + err = PTR_ERR(tsk); + goto err; + } + get_task_struct(tsk); + yield_to(tsk, true); + + for (i = 0; i < fc.chain_length; i++) + dma_fence_signal(fc.fences[i]); + + err = kthread_stop(tsk); + put_task_struct(tsk); + +err: + fence_chains_fini(&fc); + return err; +} + +int dma_fence_chain(void) +{ + static const struct subtest tests[] = { + SUBTEST(sanitycheck), + SUBTEST(find_seqno), + SUBTEST(find_signaled), + SUBTEST(find_out_of_order), + SUBTEST(find_gap), + SUBTEST(find_race), + SUBTEST(signal_forward), + SUBTEST(signal_backward), + SUBTEST(wait_forward), + SUBTEST(wait_backward), + SUBTEST(wait_random), + }; + int ret; + + pr_info("sizeof(dma_fence_chain)=%zu\n", + sizeof(struct dma_fence_chain)); + + slab_fences = KMEM_CACHE(mock_fence, + SLAB_TYPESAFE_BY_RCU | + SLAB_HWCACHE_ALIGN); + if (!slab_fences) + return -ENOMEM; + + ret = subtests(tests, NULL); + + kmem_cache_destroy(slab_fences); + return ret; +} diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 7f72ef5e7811..f34d08c83485 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -17,7 +17,8 @@ drm-y := drm_auth.o drm_cache.o \ drm_plane.o drm_color_mgmt.o drm_print.o \ drm_dumb_buffers.o drm_mode_config.o drm_vblank.o \ drm_syncobj.o drm_lease.o drm_writeback.o drm_client.o \ - drm_client_modeset.o drm_atomic_uapi.o drm_hdcp.o + drm_client_modeset.o drm_atomic_uapi.o drm_hdcp.o \ + drm_managed.o drm-$(CONFIG_DRM_LEGACY) += drm_legacy_misc.o drm_bufs.o drm_context.o drm_dma.o drm_scatter.o drm_lock.o drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o @@ -32,8 +33,7 @@ drm-$(CONFIG_PCI) += drm_pci.o drm-$(CONFIG_DEBUG_FS) += drm_debugfs.o drm_debugfs_crc.o drm-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o -drm_vram_helper-y := drm_gem_vram_helper.o \ - drm_vram_helper_common.o +drm_vram_helper-y := drm_gem_vram_helper.o obj-$(CONFIG_DRM_VRAM_HELPER) += drm_vram_helper.o drm_ttm_helper-y := drm_gem_ttm_helper.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index ffeb20f11c07..43d8ed7dbd00 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -38,6 +38,7 @@ #include <drm/amdgpu_drm.h> #include <linux/dma-buf.h> #include <linux/dma-fence-array.h> +#include <linux/pci-p2pdma.h> /** * amdgpu_gem_prime_vmap - &dma_buf_ops.vmap implementation @@ -179,6 +180,9 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf, struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); int r; + if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, true) < 0) + attach->peer2peer = false; + if (attach->dev->driver == adev->dev->driver) return 0; @@ -272,14 +276,21 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach, struct dma_buf *dma_buf = attach->dmabuf; struct drm_gem_object *obj = dma_buf->priv; struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct sg_table *sgt; long r; if (!bo->pin_count) { - /* move buffer into GTT */ + /* move buffer into GTT or VRAM */ struct ttm_operation_ctx ctx = { false, false }; + unsigned domains = AMDGPU_GEM_DOMAIN_GTT; - amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_GTT); + if (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM && + attach->peer2peer) { + bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + domains |= AMDGPU_GEM_DOMAIN_VRAM; + } + amdgpu_bo_placement_from_domain(bo, domains); r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); if (r) return ERR_PTR(r); @@ -289,20 +300,34 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach, return ERR_PTR(-EBUSY); } - sgt = drm_prime_pages_to_sg(bo->tbo.ttm->pages, bo->tbo.num_pages); - if (IS_ERR(sgt)) - return sgt; - - if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir, - DMA_ATTR_SKIP_CPU_SYNC)) - goto error_free; + switch (bo->tbo.mem.mem_type) { + case TTM_PL_TT: + sgt = drm_prime_pages_to_sg(bo->tbo.ttm->pages, + bo->tbo.num_pages); + if (IS_ERR(sgt)) + return sgt; + + if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir, + DMA_ATTR_SKIP_CPU_SYNC)) + goto error_free; + break; + + case TTM_PL_VRAM: + r = amdgpu_vram_mgr_alloc_sgt(adev, &bo->tbo.mem, attach->dev, + dir, &sgt); + if (r) + return ERR_PTR(r); + break; + default: + return ERR_PTR(-EINVAL); + } return sgt; error_free: sg_free_table(sgt); kfree(sgt); - return ERR_PTR(-ENOMEM); + return ERR_PTR(-EBUSY); } /** @@ -318,9 +343,18 @@ static void amdgpu_dma_buf_unmap(struct dma_buf_attachment *attach, struct sg_table *sgt, enum dma_data_direction dir) { - dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir); - sg_free_table(sgt); - kfree(sgt); + struct dma_buf *dma_buf = attach->dmabuf; + struct drm_gem_object *obj = dma_buf->priv; + struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj); + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + + if (sgt->sgl->page_link) { + dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir); + sg_free_table(sgt); + kfree(sgt); + } else { + amdgpu_vram_mgr_free_sgt(adev, attach->dev, dir, sgt); + } } /** @@ -514,6 +548,7 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach) } static const struct dma_buf_attach_ops amdgpu_dma_buf_attach_ops = { + .allow_peer2peer = true, .move_notify = amdgpu_dma_buf_move_notify }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index ba1bb95a3cf9..0e8018c9aa8e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -856,7 +856,7 @@ void amdgpu_add_thermal_controller(struct amdgpu_device *adev) const char *name = pp_lib_thermal_controller_names[controller->ucType]; info.addr = controller->ucI2cAddress >> 1; strlcpy(info.type, name, sizeof(info.type)); - i2c_new_device(&adev->pm.i2c_bus->adapter, &info); + i2c_new_client_device(&adev->pm.i2c_bus->adapter, &info); } } else { DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n", diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 4277125a79ee..e42608115c99 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -29,6 +29,7 @@ #include <linux/module.h> #include <linux/pagemap.h> #include <linux/pci.h> +#include <linux/dma-buf.h> #include <drm/amdgpu_drm.h> #include <drm/drm_debugfs.h> @@ -854,7 +855,8 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data) attachment = READ_ONCE(bo->tbo.base.import_attach); if (attachment) - seq_printf(m, " imported from %p", dma_buf); + seq_printf(m, " imported from %p%s", dma_buf, + attachment->peer2peer ? " P2P" : ""); else if (dma_buf) seq_printf(m, " exported as %p", dma_buf); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index bd05bbb4878d..6b22dc41ef13 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -24,8 +24,9 @@ #ifndef __AMDGPU_TTM_H__ #define __AMDGPU_TTM_H__ -#include "amdgpu.h" +#include <linux/dma-direction.h> #include <drm/gpu_scheduler.h> +#include "amdgpu.h" #define AMDGPU_PL_GDS (TTM_PL_PRIV + 0) #define AMDGPU_PL_GWS (TTM_PL_PRIV + 1) @@ -74,6 +75,15 @@ uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man); int amdgpu_gtt_mgr_recover(struct ttm_mem_type_manager *man); u64 amdgpu_vram_mgr_bo_visible_size(struct amdgpu_bo *bo); +int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev, + struct ttm_mem_reg *mem, + struct device *dev, + enum dma_data_direction dir, + struct sg_table **sgt); +void amdgpu_vram_mgr_free_sgt(struct amdgpu_device *adev, + struct device *dev, + enum dma_data_direction dir, + struct sg_table *sgt); uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man); uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 82a3299e53c0..128a667ed8fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -22,6 +22,7 @@ * Authors: Christian König */ +#include <linux/dma-mapping.h> #include "amdgpu.h" #include "amdgpu_vm.h" #include "amdgpu_atomfirmware.h" @@ -459,6 +460,104 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man, } /** + * amdgpu_vram_mgr_alloc_sgt - allocate and fill a sg table + * + * @adev: amdgpu device pointer + * @mem: TTM memory object + * @dev: the other device + * @dir: dma direction + * @sgt: resulting sg table + * + * Allocate and fill a sg table from a VRAM allocation. + */ +int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev, + struct ttm_mem_reg *mem, + struct device *dev, + enum dma_data_direction dir, + struct sg_table **sgt) +{ + struct drm_mm_node *node; + struct scatterlist *sg; + int num_entries = 0; + unsigned int pages; + int i, r; + + *sgt = kmalloc(sizeof(*sg), GFP_KERNEL); + if (!*sgt) + return -ENOMEM; + + for (pages = mem->num_pages, node = mem->mm_node; + pages; pages -= node->size, ++node) + ++num_entries; + + r = sg_alloc_table(*sgt, num_entries, GFP_KERNEL); + if (r) + goto error_free; + + for_each_sg((*sgt)->sgl, sg, num_entries, i) + sg->length = 0; + + node = mem->mm_node; + for_each_sg((*sgt)->sgl, sg, num_entries, i) { + phys_addr_t phys = (node->start << PAGE_SHIFT) + + adev->gmc.aper_base; + size_t size = node->size << PAGE_SHIFT; + dma_addr_t addr; + + ++node; + addr = dma_map_resource(dev, phys, size, dir, + DMA_ATTR_SKIP_CPU_SYNC); + r = dma_mapping_error(dev, addr); + if (r) + goto error_unmap; + + sg_set_page(sg, NULL, size, 0); + sg_dma_address(sg) = addr; + sg_dma_len(sg) = size; + } + return 0; + +error_unmap: + for_each_sg((*sgt)->sgl, sg, num_entries, i) { + if (!sg->length) + continue; + + dma_unmap_resource(dev, sg->dma_address, + sg->length, dir, + DMA_ATTR_SKIP_CPU_SYNC); + } + sg_free_table(*sgt); + +error_free: + kfree(*sgt); + return r; +} + +/** + * amdgpu_vram_mgr_alloc_sgt - allocate and fill a sg table + * + * @adev: amdgpu device pointer + * @sgt: sg table to free + * + * Free a previously allocate sg table. + */ +void amdgpu_vram_mgr_free_sgt(struct amdgpu_device *adev, + struct device *dev, + enum dma_data_direction dir, + struct sg_table *sgt) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgt->sgl, sg, sgt->nents, i) + dma_unmap_resource(dev, sg->dma_address, + sg->length, dir, + DMA_ATTR_SKIP_CPU_SYNC); + sg_free_table(sgt); + kfree(sgt); +} + +/** * amdgpu_vram_mgr_usage - how many bytes are used in this domain * * @man: TTM memory type manager diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index fabbe78d5aef..3db1ec35d2b4 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -136,17 +136,23 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, static void dm_dp_mst_connector_destroy(struct drm_connector *connector) { - struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); - struct amdgpu_encoder *amdgpu_encoder = amdgpu_dm_connector->mst_encoder; + struct amdgpu_dm_connector *aconnector = + to_amdgpu_dm_connector(connector); + struct amdgpu_encoder *amdgpu_encoder = aconnector->mst_encoder; - kfree(amdgpu_dm_connector->edid); - amdgpu_dm_connector->edid = NULL; + if (aconnector->dc_sink) { + dc_link_remove_remote_sink(aconnector->dc_link, + aconnector->dc_sink); + dc_sink_release(aconnector->dc_sink); + } + + kfree(aconnector->edid); drm_encoder_cleanup(&amdgpu_encoder->base); kfree(amdgpu_encoder); drm_connector_cleanup(connector); - drm_dp_mst_put_port_malloc(amdgpu_dm_connector->port); - kfree(amdgpu_dm_connector); + drm_dp_mst_put_port_malloc(aconnector->port); + kfree(aconnector); } static int @@ -435,40 +441,13 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, */ amdgpu_dm_connector_funcs_reset(connector); - DRM_INFO("DM_MST: added connector: %p [id: %d] [master: %p]\n", - aconnector, connector->base.id, aconnector->mst_port); - drm_dp_mst_get_port_malloc(port); - DRM_DEBUG_KMS(":%d\n", connector->base.id); - return connector; } -static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, - struct drm_connector *connector) -{ - struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); - - DRM_INFO("DM_MST: Disabling connector: %p [id: %d] [master: %p]\n", - aconnector, connector->base.id, aconnector->mst_port); - - if (aconnector->dc_sink) { - amdgpu_dm_update_freesync_caps(connector, NULL); - dc_link_remove_remote_sink(aconnector->dc_link, - aconnector->dc_sink); - dc_sink_release(aconnector->dc_sink); - aconnector->dc_sink = NULL; - aconnector->dc_link->cur_link_settings.lane_count = 0; - } - - drm_connector_unregister(connector); - drm_connector_put(connector); -} - static const struct drm_dp_mst_topology_cbs dm_mst_cbs = { .add_connector = dm_dp_add_mst_connector, - .destroy_connector = dm_dp_destroy_mst_connector, }; void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c index d6a6692db0ac..c05d001163e0 100644 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ b/drivers/gpu/drm/arc/arcpgu_drv.c @@ -137,10 +137,11 @@ static struct drm_info_list arcpgu_debugfs_list[] = { { "clocks", arcpgu_show_pxlclock, 0 }, }; -static int arcpgu_debugfs_init(struct drm_minor *minor) +static void arcpgu_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(arcpgu_debugfs_list, - ARRAY_SIZE(arcpgu_debugfs_list), minor->debugfs_root, minor); + drm_debugfs_create_files(arcpgu_debugfs_list, + ARRAY_SIZE(arcpgu_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 442d4656150a..16dfd5cdb66c 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -14,6 +14,7 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_irq.h> +#include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> @@ -271,6 +272,7 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev) err = drm_dev_init(drm, &komeda_kms_driver, mdev->dev); if (err) goto free_kms; + drmm_add_final_kfree(drm, kms); drm->dev_private = mdev; diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 2e053815b54a..194419f47c5e 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -224,10 +224,11 @@ static struct drm_info_list hdlcd_debugfs_list[] = { { "clocks", hdlcd_show_pxlclock, 0 }, }; -static int hdlcd_debugfs_init(struct drm_minor *minor) +static void hdlcd_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(hdlcd_debugfs_list, - ARRAY_SIZE(hdlcd_debugfs_list), minor->debugfs_root, minor); + drm_debugfs_create_files(hdlcd_debugfs_list, + ARRAY_SIZE(hdlcd_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index 37d92a06318e..def8c9ffafca 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -548,7 +548,7 @@ static const struct file_operations malidp_debugfs_fops = { .release = single_release, }; -static int malidp_debugfs_init(struct drm_minor *minor) +static void malidp_debugfs_init(struct drm_minor *minor) { struct malidp_drm *malidp = minor->dev->dev_private; @@ -557,7 +557,6 @@ static int malidp_debugfs_init(struct drm_minor *minor) spin_lock_init(&malidp->errors_lock); debugfs_create_file("debug", S_IRUGO | S_IWUSR, minor->debugfs_root, minor->dev, &malidp_debugfs_fops); - return 0; } #endif //CONFIG_DEBUG_FS diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index 197dca3fc84c..dd9ed71ed942 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -12,6 +12,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> #include <drm/drm_ioctl.h> +#include <drm/drm_managed.h> #include <drm/drm_prime.h> #include <drm/drm_probe_helper.h> #include <drm/drm_fb_helper.h> @@ -103,6 +104,7 @@ static int armada_drm_bind(struct device *dev) kfree(priv); return ret; } + drmm_add_final_kfree(&priv->drm, priv); /* Remove early framebuffers */ ret = drm_fb_helper_remove_conflicting_framebuffers(NULL, diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index 30aa73a5d9b7..b7ba22dddcad 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -32,6 +32,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/drm_drv.h> +#include <drm/drm_fb_helper.h> #include <drm/drm_gem_vram_helper.h> #include <drm/drm_probe_helper.h> @@ -111,6 +112,8 @@ static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto err_ast_driver_unload; + drm_fbdev_generic_setup(dev, 32); + return 0; err_ast_driver_unload: diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 18a0a4ce00f6..e5398e3dabe7 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -30,7 +30,6 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_helper.h> #include <drm/drm_gem.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_vram_helper.h> @@ -512,10 +511,6 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags) drm_mode_config_reset(dev); - ret = drm_fbdev_generic_setup(dev, 32); - if (ret) - goto out_free; - return 0; out_free: kfree(ast); diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c index e2019fe97fff..43bc709e3523 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c @@ -11,9 +11,10 @@ #include <linux/media-bus-format.h> #include <linux/of_graph.h> +#include <drm/drm_bridge.h> #include <drm/drm_encoder.h> #include <drm/drm_of.h> -#include <drm/drm_bridge.h> +#include <drm/drm_simple_kms_helper.h> #include "atmel_hlcdc_dc.h" @@ -22,10 +23,6 @@ struct atmel_hlcdc_rgb_output { int bus_fmt; }; -static const struct drm_encoder_funcs atmel_hlcdc_panel_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static struct atmel_hlcdc_rgb_output * atmel_hlcdc_encoder_to_rgb_output(struct drm_encoder *encoder) { @@ -98,9 +95,8 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, int endpoint) return -EINVAL; } - ret = drm_encoder_init(dev, &output->encoder, - &atmel_hlcdc_panel_encoder_funcs, - DRM_MODE_ENCODER_NONE, NULL); + ret = drm_simple_encoder_init(dev, &output->encoder, + DRM_MODE_ENCODER_NONE); if (ret) return ret; diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h index 917767173ee6..e5bd1d517a18 100644 --- a/drivers/gpu/drm/bochs/bochs.h +++ b/drivers/gpu/drm/bochs/bochs.h @@ -92,7 +92,6 @@ void bochs_mm_fini(struct bochs_device *bochs); /* bochs_kms.c */ int bochs_kms_init(struct bochs_device *bochs); -void bochs_kms_fini(struct bochs_device *bochs); /* bochs_fbdev.c */ extern const struct drm_mode_config_funcs bochs_mode_funcs; diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c index addb0568c1af..e18c51de1196 100644 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ b/drivers/gpu/drm/bochs/bochs_drv.c @@ -7,6 +7,7 @@ #include <drm/drm_drv.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_managed.h> #include "bochs.h" @@ -21,10 +22,7 @@ static void bochs_unload(struct drm_device *dev) { struct bochs_device *bochs = dev->dev_private; - bochs_kms_fini(bochs); bochs_mm_fini(bochs); - kfree(bochs); - dev->dev_private = NULL; } static int bochs_load(struct drm_device *dev) @@ -32,7 +30,7 @@ static int bochs_load(struct drm_device *dev) struct bochs_device *bochs; int ret; - bochs = kzalloc(sizeof(*bochs), GFP_KERNEL); + bochs = drmm_kzalloc(dev, sizeof(*bochs), GFP_KERNEL); if (bochs == NULL) return -ENOMEM; dev->dev_private = bochs; diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index 8066d7d370d5..7f4bcfad87e9 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -134,7 +134,11 @@ const struct drm_mode_config_funcs bochs_mode_funcs = { int bochs_kms_init(struct bochs_device *bochs) { - drm_mode_config_init(bochs->dev); + int ret; + + ret = drmm_mode_config_init(bochs->dev); + if (ret) + return ret; bochs->dev->mode_config.max_width = 8192; bochs->dev->mode_config.max_height = 8192; @@ -160,12 +164,3 @@ int bochs_kms_init(struct bochs_device *bochs) return 0; } - -void bochs_kms_fini(struct bochs_device *bochs) -{ - if (!bochs->dev->mode_config.num_connector) - return; - - drm_atomic_helper_shutdown(bochs->dev); - drm_mode_config_cleanup(bochs->dev); -} diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index aaed2347ace9..6ec945f837b8 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -58,6 +58,22 @@ config DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW to DP++. This is used with the i.MX6 imx-ldb driver. You are likely to say N here. +config DRM_NWL_MIPI_DSI + tristate "Northwest Logic MIPI DSI Host controller" + depends on DRM + depends on COMMON_CLK + depends on OF && HAS_IOMEM + select DRM_KMS_HELPER + select DRM_MIPI_DSI + select DRM_PANEL_BRIDGE + select GENERIC_PHY_MIPI_DPHY + select MFD_SYSCON + select MULTIPLEXER + select REGMAP_MMIO + help + This enables the Northwest Logic MIPI DSI Host controller as + for example found on NXP's i.MX8 Processors. + config DRM_NXP_PTN3460 tristate "NXP PTN3460 DP/LVDS bridge" depends on OF diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index 6fb062b5b0f0..b04ac2dfa22c 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511/ obj-$(CONFIG_DRM_TI_SN65DSI86) += ti-sn65dsi86.o obj-$(CONFIG_DRM_TI_TFP410) += ti-tfp410.o obj-$(CONFIG_DRM_TI_TPD12S015) += ti-tpd12s015.o +obj-$(CONFIG_DRM_NWL_MIPI_DSI) += nwl-dsi.o obj-y += analogix/ obj-y += synopsys/ diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c new file mode 100644 index 000000000000..b14d725bf609 --- /dev/null +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -0,0 +1,1213 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * i.MX8 NWL MIPI DSI host driver + * + * Copyright (C) 2017 NXP + * Copyright (C) 2020 Purism SPC + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/irq.h> +#include <linux/math64.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/mux/consumer.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/phy/phy.h> +#include <linux/regmap.h> +#include <linux/reset.h> +#include <linux/sys_soc.h> +#include <linux/time64.h> + +#include <drm/drm_bridge.h> +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_of.h> +#include <drm/drm_panel.h> +#include <drm/drm_print.h> + +#include <video/mipi_display.h> + +#include "nwl-dsi.h" + +#define DRV_NAME "nwl-dsi" + +/* i.MX8 NWL quirks */ +/* i.MX8MQ errata E11418 */ +#define E11418_HS_MODE_QUIRK BIT(0) + +#define NWL_DSI_MIPI_FIFO_TIMEOUT msecs_to_jiffies(500) + +enum transfer_direction { + DSI_PACKET_SEND, + DSI_PACKET_RECEIVE, +}; + +#define NWL_DSI_ENDPOINT_LCDIF 0 +#define NWL_DSI_ENDPOINT_DCSS 1 + +struct nwl_dsi_plat_clk_config { + const char *id; + struct clk *clk; + bool present; +}; + +struct nwl_dsi_transfer { + const struct mipi_dsi_msg *msg; + struct mipi_dsi_packet packet; + struct completion completed; + + int status; /* status of transmission */ + enum transfer_direction direction; + bool need_bta; + u8 cmd; + u16 rx_word_count; + size_t tx_len; /* in bytes */ + size_t rx_len; /* in bytes */ +}; + +struct nwl_dsi { + struct drm_bridge bridge; + struct mipi_dsi_host dsi_host; + struct drm_bridge *panel_bridge; + struct device *dev; + struct phy *phy; + union phy_configure_opts phy_cfg; + unsigned int quirks; + + struct regmap *regmap; + int irq; + /* + * The DSI host controller needs this reset sequence according to NWL: + * 1. Deassert pclk reset to get access to DSI regs + * 2. Configure DSI Host and DPHY and enable DPHY + * 3. Deassert ESC and BYTE resets to allow host TX operations) + * 4. Send DSI cmds to configure peripheral (handled by panel drv) + * 5. Deassert DPI reset so DPI receives pixels and starts sending + * DSI data + * + * TODO: Since panel_bridges do their DSI setup in enable we + * currently have 4. and 5. swapped. + */ + struct reset_control *rst_byte; + struct reset_control *rst_esc; + struct reset_control *rst_dpi; + struct reset_control *rst_pclk; + struct mux_control *mux; + + /* DSI clocks */ + struct clk *phy_ref_clk; + struct clk *rx_esc_clk; + struct clk *tx_esc_clk; + struct clk *core_clk; + /* + * hardware bug: the i.MX8MQ needs this clock on during reset + * even when not using LCDIF. + */ + struct clk *lcdif_clk; + + /* dsi lanes */ + u32 lanes; + enum mipi_dsi_pixel_format format; + struct drm_display_mode mode; + unsigned long dsi_mode_flags; + int error; + + struct nwl_dsi_transfer *xfer; +}; + +static const struct regmap_config nwl_dsi_regmap_config = { + .reg_bits = 16, + .val_bits = 32, + .reg_stride = 4, + .max_register = NWL_DSI_IRQ_MASK2, + .name = DRV_NAME, +}; + +static inline struct nwl_dsi *bridge_to_dsi(struct drm_bridge *bridge) +{ + return container_of(bridge, struct nwl_dsi, bridge); +} + +static int nwl_dsi_clear_error(struct nwl_dsi *dsi) +{ + int ret = dsi->error; + + dsi->error = 0; + return ret; +} + +static void nwl_dsi_write(struct nwl_dsi *dsi, unsigned int reg, u32 val) +{ + int ret; + + if (dsi->error) + return; + + ret = regmap_write(dsi->regmap, reg, val); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, + "Failed to write NWL DSI reg 0x%x: %d\n", reg, + ret); + dsi->error = ret; + } +} + +static u32 nwl_dsi_read(struct nwl_dsi *dsi, u32 reg) +{ + unsigned int val; + int ret; + + if (dsi->error) + return 0; + + ret = regmap_read(dsi->regmap, reg, &val); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to read NWL DSI reg 0x%x: %d\n", + reg, ret); + dsi->error = ret; + } + return val; +} + +static int nwl_dsi_get_dpi_pixel_format(enum mipi_dsi_pixel_format format) +{ + switch (format) { + case MIPI_DSI_FMT_RGB565: + return NWL_DSI_PIXEL_FORMAT_16; + case MIPI_DSI_FMT_RGB666: + return NWL_DSI_PIXEL_FORMAT_18L; + case MIPI_DSI_FMT_RGB666_PACKED: + return NWL_DSI_PIXEL_FORMAT_18; + case MIPI_DSI_FMT_RGB888: + return NWL_DSI_PIXEL_FORMAT_24; + default: + return -EINVAL; + } +} + +/* + * ps2bc - Picoseconds to byte clock cycles + */ +static u32 ps2bc(struct nwl_dsi *dsi, unsigned long long ps) +{ + u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format); + + return DIV64_U64_ROUND_UP(ps * dsi->mode.clock * bpp, + dsi->lanes * 8 * NSEC_PER_SEC); +} + +/* + * ui2bc - UI time periods to byte clock cycles + */ +static u32 ui2bc(struct nwl_dsi *dsi, unsigned long long ui) +{ + u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format); + + return DIV64_U64_ROUND_UP(ui * dsi->lanes, + dsi->mode.clock * 1000 * bpp); +} + +/* + * us2bc - micro seconds to lp clock cycles + */ +static u32 us2lp(u32 lp_clk_rate, unsigned long us) +{ + return DIV_ROUND_UP(us * lp_clk_rate, USEC_PER_SEC); +} + +static int nwl_dsi_config_host(struct nwl_dsi *dsi) +{ + u32 cycles; + struct phy_configure_opts_mipi_dphy *cfg = &dsi->phy_cfg.mipi_dphy; + + if (dsi->lanes < 1 || dsi->lanes > 4) + return -EINVAL; + + DRM_DEV_DEBUG_DRIVER(dsi->dev, "DSI Lanes %d\n", dsi->lanes); + nwl_dsi_write(dsi, NWL_DSI_CFG_NUM_LANES, dsi->lanes - 1); + + if (dsi->dsi_mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) { + nwl_dsi_write(dsi, NWL_DSI_CFG_NONCONTINUOUS_CLK, 0x01); + nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x01); + } else { + nwl_dsi_write(dsi, NWL_DSI_CFG_NONCONTINUOUS_CLK, 0x00); + nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x00); + } + + /* values in byte clock cycles */ + cycles = ui2bc(dsi, cfg->clk_pre); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_t_pre: 0x%x\n", cycles); + nwl_dsi_write(dsi, NWL_DSI_CFG_T_PRE, cycles); + cycles = ps2bc(dsi, cfg->lpx + cfg->clk_prepare + cfg->clk_zero); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_tx_gap (pre): 0x%x\n", cycles); + cycles += ui2bc(dsi, cfg->clk_pre); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_t_post: 0x%x\n", cycles); + nwl_dsi_write(dsi, NWL_DSI_CFG_T_POST, cycles); + cycles = ps2bc(dsi, cfg->hs_exit); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_tx_gap: 0x%x\n", cycles); + nwl_dsi_write(dsi, NWL_DSI_CFG_TX_GAP, cycles); + + nwl_dsi_write(dsi, NWL_DSI_CFG_EXTRA_CMDS_AFTER_EOTP, 0x01); + nwl_dsi_write(dsi, NWL_DSI_CFG_HTX_TO_COUNT, 0x00); + nwl_dsi_write(dsi, NWL_DSI_CFG_LRX_H_TO_COUNT, 0x00); + nwl_dsi_write(dsi, NWL_DSI_CFG_BTA_H_TO_COUNT, 0x00); + /* In LP clock cycles */ + cycles = us2lp(cfg->lp_clk_rate, cfg->wakeup); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_twakeup: 0x%x\n", cycles); + nwl_dsi_write(dsi, NWL_DSI_CFG_TWAKEUP, cycles); + + return nwl_dsi_clear_error(dsi); +} + +static int nwl_dsi_config_dpi(struct nwl_dsi *dsi) +{ + u32 mode; + int color_format; + bool burst_mode; + int hfront_porch, hback_porch, vfront_porch, vback_porch; + int hsync_len, vsync_len; + + hfront_porch = dsi->mode.hsync_start - dsi->mode.hdisplay; + hsync_len = dsi->mode.hsync_end - dsi->mode.hsync_start; + hback_porch = dsi->mode.htotal - dsi->mode.hsync_end; + + vfront_porch = dsi->mode.vsync_start - dsi->mode.vdisplay; + vsync_len = dsi->mode.vsync_end - dsi->mode.vsync_start; + vback_porch = dsi->mode.vtotal - dsi->mode.vsync_end; + + DRM_DEV_DEBUG_DRIVER(dsi->dev, "hfront_porch = %d\n", hfront_porch); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "hback_porch = %d\n", hback_porch); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "hsync_len = %d\n", hsync_len); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "hdisplay = %d\n", dsi->mode.hdisplay); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "vfront_porch = %d\n", vfront_porch); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "vback_porch = %d\n", vback_porch); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "vsync_len = %d\n", vsync_len); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "vactive = %d\n", dsi->mode.vdisplay); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "clock = %d kHz\n", dsi->mode.clock); + + color_format = nwl_dsi_get_dpi_pixel_format(dsi->format); + if (color_format < 0) { + DRM_DEV_ERROR(dsi->dev, "Invalid color format 0x%x\n", + dsi->format); + return color_format; + } + DRM_DEV_DEBUG_DRIVER(dsi->dev, "pixel fmt = %d\n", dsi->format); + + nwl_dsi_write(dsi, NWL_DSI_INTERFACE_COLOR_CODING, NWL_DSI_DPI_24_BIT); + nwl_dsi_write(dsi, NWL_DSI_PIXEL_FORMAT, color_format); + /* + * Adjusting input polarity based on the video mode results in + * a black screen so always pick active low: + */ + nwl_dsi_write(dsi, NWL_DSI_VSYNC_POLARITY, + NWL_DSI_VSYNC_POLARITY_ACTIVE_LOW); + nwl_dsi_write(dsi, NWL_DSI_HSYNC_POLARITY, + NWL_DSI_HSYNC_POLARITY_ACTIVE_LOW); + + burst_mode = (dsi->dsi_mode_flags & MIPI_DSI_MODE_VIDEO_BURST) && + !(dsi->dsi_mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE); + + if (burst_mode) { + nwl_dsi_write(dsi, NWL_DSI_VIDEO_MODE, NWL_DSI_VM_BURST_MODE); + nwl_dsi_write(dsi, NWL_DSI_PIXEL_FIFO_SEND_LEVEL, 256); + } else { + mode = ((dsi->dsi_mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) ? + NWL_DSI_VM_BURST_MODE_WITH_SYNC_PULSES : + NWL_DSI_VM_NON_BURST_MODE_WITH_SYNC_EVENTS); + nwl_dsi_write(dsi, NWL_DSI_VIDEO_MODE, mode); + nwl_dsi_write(dsi, NWL_DSI_PIXEL_FIFO_SEND_LEVEL, + dsi->mode.hdisplay); + } + + nwl_dsi_write(dsi, NWL_DSI_HFP, hfront_porch); + nwl_dsi_write(dsi, NWL_DSI_HBP, hback_porch); + nwl_dsi_write(dsi, NWL_DSI_HSA, hsync_len); + + nwl_dsi_write(dsi, NWL_DSI_ENABLE_MULT_PKTS, 0x0); + nwl_dsi_write(dsi, NWL_DSI_BLLP_MODE, 0x1); + nwl_dsi_write(dsi, NWL_DSI_USE_NULL_PKT_BLLP, 0x0); + nwl_dsi_write(dsi, NWL_DSI_VC, 0x0); + + nwl_dsi_write(dsi, NWL_DSI_PIXEL_PAYLOAD_SIZE, dsi->mode.hdisplay); + nwl_dsi_write(dsi, NWL_DSI_VACTIVE, dsi->mode.vdisplay - 1); + nwl_dsi_write(dsi, NWL_DSI_VBP, vback_porch); + nwl_dsi_write(dsi, NWL_DSI_VFP, vfront_porch); + + return nwl_dsi_clear_error(dsi); +} + +static int nwl_dsi_init_interrupts(struct nwl_dsi *dsi) +{ + u32 irq_enable; + + nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK, 0xffffffff); + nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK2, 0x7); + + irq_enable = ~(u32)(NWL_DSI_TX_PKT_DONE_MASK | + NWL_DSI_RX_PKT_HDR_RCVD_MASK | + NWL_DSI_TX_FIFO_OVFLW_MASK | + NWL_DSI_HS_TX_TIMEOUT_MASK); + + nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK, irq_enable); + + return nwl_dsi_clear_error(dsi); +} + +static int nwl_dsi_host_attach(struct mipi_dsi_host *dsi_host, + struct mipi_dsi_device *device) +{ + struct nwl_dsi *dsi = container_of(dsi_host, struct nwl_dsi, dsi_host); + struct device *dev = dsi->dev; + + DRM_DEV_INFO(dev, "lanes=%u, format=0x%x flags=0x%lx\n", device->lanes, + device->format, device->mode_flags); + + if (device->lanes < 1 || device->lanes > 4) + return -EINVAL; + + dsi->lanes = device->lanes; + dsi->format = device->format; + dsi->dsi_mode_flags = device->mode_flags; + + return 0; +} + +static bool nwl_dsi_read_packet(struct nwl_dsi *dsi, u32 status) +{ + struct device *dev = dsi->dev; + struct nwl_dsi_transfer *xfer = dsi->xfer; + int err; + u8 *payload = xfer->msg->rx_buf; + u32 val; + u16 word_count; + u8 channel; + u8 data_type; + + xfer->status = 0; + + if (xfer->rx_word_count == 0) { + if (!(status & NWL_DSI_RX_PKT_HDR_RCVD)) + return false; + /* Get the RX header and parse it */ + val = nwl_dsi_read(dsi, NWL_DSI_RX_PKT_HEADER); + err = nwl_dsi_clear_error(dsi); + if (err) + xfer->status = err; + word_count = NWL_DSI_WC(val); + channel = NWL_DSI_RX_VC(val); + data_type = NWL_DSI_RX_DT(val); + + if (channel != xfer->msg->channel) { + DRM_DEV_ERROR(dev, + "[%02X] Channel mismatch (%u != %u)\n", + xfer->cmd, channel, xfer->msg->channel); + xfer->status = -EINVAL; + return true; + } + + switch (data_type) { + case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE: + fallthrough; + case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE: + if (xfer->msg->rx_len > 1) { + /* read second byte */ + payload[1] = word_count >> 8; + ++xfer->rx_len; + } + fallthrough; + case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE: + fallthrough; + case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE: + if (xfer->msg->rx_len > 0) { + /* read first byte */ + payload[0] = word_count & 0xff; + ++xfer->rx_len; + } + xfer->status = xfer->rx_len; + return true; + case MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT: + word_count &= 0xff; + DRM_DEV_ERROR(dev, "[%02X] DSI error report: 0x%02x\n", + xfer->cmd, word_count); + xfer->status = -EPROTO; + return true; + } + + if (word_count > xfer->msg->rx_len) { + DRM_DEV_ERROR(dev, + "[%02X] Receive buffer too small: %zu (< %u)\n", + xfer->cmd, xfer->msg->rx_len, word_count); + xfer->status = -EINVAL; + return true; + } + + xfer->rx_word_count = word_count; + } else { + /* Set word_count from previous header read */ + word_count = xfer->rx_word_count; + } + + /* If RX payload is not yet received, wait for it */ + if (!(status & NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD)) + return false; + + /* Read the RX payload */ + while (word_count >= 4) { + val = nwl_dsi_read(dsi, NWL_DSI_RX_PAYLOAD); + payload[0] = (val >> 0) & 0xff; + payload[1] = (val >> 8) & 0xff; + payload[2] = (val >> 16) & 0xff; + payload[3] = (val >> 24) & 0xff; + payload += 4; + xfer->rx_len += 4; + word_count -= 4; + } + + if (word_count > 0) { + val = nwl_dsi_read(dsi, NWL_DSI_RX_PAYLOAD); + switch (word_count) { + case 3: + payload[2] = (val >> 16) & 0xff; + ++xfer->rx_len; + fallthrough; + case 2: + payload[1] = (val >> 8) & 0xff; + ++xfer->rx_len; + fallthrough; + case 1: + payload[0] = (val >> 0) & 0xff; + ++xfer->rx_len; + break; + } + } + + xfer->status = xfer->rx_len; + err = nwl_dsi_clear_error(dsi); + if (err) + xfer->status = err; + + return true; +} + +static void nwl_dsi_finish_transmission(struct nwl_dsi *dsi, u32 status) +{ + struct nwl_dsi_transfer *xfer = dsi->xfer; + bool end_packet = false; + + if (!xfer) + return; + + if (xfer->direction == DSI_PACKET_SEND && + status & NWL_DSI_TX_PKT_DONE) { + xfer->status = xfer->tx_len; + end_packet = true; + } else if (status & NWL_DSI_DPHY_DIRECTION && + ((status & (NWL_DSI_RX_PKT_HDR_RCVD | + NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD)))) { + end_packet = nwl_dsi_read_packet(dsi, status); + } + + if (end_packet) + complete(&xfer->completed); +} + +static void nwl_dsi_begin_transmission(struct nwl_dsi *dsi) +{ + struct nwl_dsi_transfer *xfer = dsi->xfer; + struct mipi_dsi_packet *pkt = &xfer->packet; + const u8 *payload; + size_t length; + u16 word_count; + u8 hs_mode; + u32 val; + u32 hs_workaround = 0; + + /* Send the payload, if any */ + length = pkt->payload_length; + payload = pkt->payload; + + while (length >= 4) { + val = *(u32 *)payload; + hs_workaround |= !(val & 0xFFFF00); + nwl_dsi_write(dsi, NWL_DSI_TX_PAYLOAD, val); + payload += 4; + length -= 4; + } + /* Send the rest of the payload */ + val = 0; + switch (length) { + case 3: + val |= payload[2] << 16; + fallthrough; + case 2: + val |= payload[1] << 8; + hs_workaround |= !(val & 0xFFFF00); + fallthrough; + case 1: + val |= payload[0]; + nwl_dsi_write(dsi, NWL_DSI_TX_PAYLOAD, val); + break; + } + xfer->tx_len = pkt->payload_length; + + /* + * Send the header + * header[0] = Virtual Channel + Data Type + * header[1] = Word Count LSB (LP) or first param (SP) + * header[2] = Word Count MSB (LP) or second param (SP) + */ + word_count = pkt->header[1] | (pkt->header[2] << 8); + if (hs_workaround && (dsi->quirks & E11418_HS_MODE_QUIRK)) { + DRM_DEV_DEBUG_DRIVER(dsi->dev, + "Using hs mode workaround for cmd 0x%x\n", + xfer->cmd); + hs_mode = 1; + } else { + hs_mode = (xfer->msg->flags & MIPI_DSI_MSG_USE_LPM) ? 0 : 1; + } + val = NWL_DSI_WC(word_count) | NWL_DSI_TX_VC(xfer->msg->channel) | + NWL_DSI_TX_DT(xfer->msg->type) | NWL_DSI_HS_SEL(hs_mode) | + NWL_DSI_BTA_TX(xfer->need_bta); + nwl_dsi_write(dsi, NWL_DSI_PKT_CONTROL, val); + + /* Send packet command */ + nwl_dsi_write(dsi, NWL_DSI_SEND_PACKET, 0x1); +} + +static ssize_t nwl_dsi_host_transfer(struct mipi_dsi_host *dsi_host, + const struct mipi_dsi_msg *msg) +{ + struct nwl_dsi *dsi = container_of(dsi_host, struct nwl_dsi, dsi_host); + struct nwl_dsi_transfer xfer; + ssize_t ret = 0; + + /* Create packet to be sent */ + dsi->xfer = &xfer; + ret = mipi_dsi_create_packet(&xfer.packet, msg); + if (ret < 0) { + dsi->xfer = NULL; + return ret; + } + + if ((msg->type & MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM || + msg->type & MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM || + msg->type & MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM || + msg->type & MIPI_DSI_DCS_READ) && + msg->rx_len > 0 && msg->rx_buf) + xfer.direction = DSI_PACKET_RECEIVE; + else + xfer.direction = DSI_PACKET_SEND; + + xfer.need_bta = (xfer.direction == DSI_PACKET_RECEIVE); + xfer.need_bta |= (msg->flags & MIPI_DSI_MSG_REQ_ACK) ? 1 : 0; + xfer.msg = msg; + xfer.status = -ETIMEDOUT; + xfer.rx_word_count = 0; + xfer.rx_len = 0; + xfer.cmd = 0x00; + if (msg->tx_len > 0) + xfer.cmd = ((u8 *)(msg->tx_buf))[0]; + init_completion(&xfer.completed); + + ret = clk_prepare_enable(dsi->rx_esc_clk); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to enable rx_esc clk: %zd\n", + ret); + return ret; + } + DRM_DEV_DEBUG_DRIVER(dsi->dev, "Enabled rx_esc clk @%lu Hz\n", + clk_get_rate(dsi->rx_esc_clk)); + + /* Initiate the DSI packet transmision */ + nwl_dsi_begin_transmission(dsi); + + if (!wait_for_completion_timeout(&xfer.completed, + NWL_DSI_MIPI_FIFO_TIMEOUT)) { + DRM_DEV_ERROR(dsi_host->dev, "[%02X] DSI transfer timed out\n", + xfer.cmd); + ret = -ETIMEDOUT; + } else { + ret = xfer.status; + } + + clk_disable_unprepare(dsi->rx_esc_clk); + + return ret; +} + +static const struct mipi_dsi_host_ops nwl_dsi_host_ops = { + .attach = nwl_dsi_host_attach, + .transfer = nwl_dsi_host_transfer, +}; + +static irqreturn_t nwl_dsi_irq_handler(int irq, void *data) +{ + u32 irq_status; + struct nwl_dsi *dsi = data; + + irq_status = nwl_dsi_read(dsi, NWL_DSI_IRQ_STATUS); + + if (irq_status & NWL_DSI_TX_FIFO_OVFLW) + DRM_DEV_ERROR_RATELIMITED(dsi->dev, "tx fifo overflow\n"); + + if (irq_status & NWL_DSI_HS_TX_TIMEOUT) + DRM_DEV_ERROR_RATELIMITED(dsi->dev, "HS tx timeout\n"); + + if (irq_status & NWL_DSI_TX_PKT_DONE || + irq_status & NWL_DSI_RX_PKT_HDR_RCVD || + irq_status & NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD) + nwl_dsi_finish_transmission(dsi, irq_status); + + return IRQ_HANDLED; +} + +static int nwl_dsi_enable(struct nwl_dsi *dsi) +{ + struct device *dev = dsi->dev; + union phy_configure_opts *phy_cfg = &dsi->phy_cfg; + int ret; + + if (!dsi->lanes) { + DRM_DEV_ERROR(dev, "Need DSI lanes: %d\n", dsi->lanes); + return -EINVAL; + } + + ret = phy_init(dsi->phy); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to init DSI phy: %d\n", ret); + return ret; + } + + ret = phy_configure(dsi->phy, phy_cfg); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to configure DSI phy: %d\n", ret); + goto uninit_phy; + } + + ret = clk_prepare_enable(dsi->tx_esc_clk); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to enable tx_esc clk: %d\n", + ret); + goto uninit_phy; + } + DRM_DEV_DEBUG_DRIVER(dsi->dev, "Enabled tx_esc clk @%lu Hz\n", + clk_get_rate(dsi->tx_esc_clk)); + + ret = nwl_dsi_config_host(dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to set up DSI: %d", ret); + goto disable_clock; + } + + ret = nwl_dsi_config_dpi(dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to set up DPI: %d", ret); + goto disable_clock; + } + + ret = phy_power_on(dsi->phy); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to power on DPHY (%d)\n", ret); + goto disable_clock; + } + + ret = nwl_dsi_init_interrupts(dsi); + if (ret < 0) + goto power_off_phy; + + return ret; + +power_off_phy: + phy_power_off(dsi->phy); +disable_clock: + clk_disable_unprepare(dsi->tx_esc_clk); +uninit_phy: + phy_exit(dsi->phy); + + return ret; +} + +static int nwl_dsi_disable(struct nwl_dsi *dsi) +{ + struct device *dev = dsi->dev; + + DRM_DEV_DEBUG_DRIVER(dev, "Disabling clocks and phy\n"); + + phy_power_off(dsi->phy); + phy_exit(dsi->phy); + + /* Disabling the clock before the phy breaks enabling dsi again */ + clk_disable_unprepare(dsi->tx_esc_clk); + + return 0; +} + +static void nwl_dsi_bridge_disable(struct drm_bridge *bridge) +{ + struct nwl_dsi *dsi = bridge_to_dsi(bridge); + int ret; + + nwl_dsi_disable(dsi); + + ret = reset_control_assert(dsi->rst_dpi); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to assert DPI: %d\n", ret); + return; + } + ret = reset_control_assert(dsi->rst_byte); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to assert ESC: %d\n", ret); + return; + } + ret = reset_control_assert(dsi->rst_esc); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to assert BYTE: %d\n", ret); + return; + } + ret = reset_control_assert(dsi->rst_pclk); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to assert PCLK: %d\n", ret); + return; + } + + clk_disable_unprepare(dsi->core_clk); + clk_disable_unprepare(dsi->lcdif_clk); + + pm_runtime_put(dsi->dev); +} + +static int nwl_dsi_get_dphy_params(struct nwl_dsi *dsi, + const struct drm_display_mode *mode, + union phy_configure_opts *phy_opts) +{ + unsigned long rate; + int ret; + + if (dsi->lanes < 1 || dsi->lanes > 4) + return -EINVAL; + + /* + * So far the DPHY spec minimal timings work for both mixel + * dphy and nwl dsi host + */ + ret = phy_mipi_dphy_get_default_config(mode->clock * 1000, + mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes, + &phy_opts->mipi_dphy); + if (ret < 0) + return ret; + + rate = clk_get_rate(dsi->tx_esc_clk); + DRM_DEV_DEBUG_DRIVER(dsi->dev, "LP clk is @%lu Hz\n", rate); + phy_opts->mipi_dphy.lp_clk_rate = rate; + + return 0; +} + +static bool nwl_dsi_bridge_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + /* At least LCDIF + NWL needs active high sync */ + adjusted_mode->flags |= (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); + adjusted_mode->flags &= ~(DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); + + return true; +} + +static enum drm_mode_status +nwl_dsi_bridge_mode_valid(struct drm_bridge *bridge, + const struct drm_display_mode *mode) +{ + struct nwl_dsi *dsi = bridge_to_dsi(bridge); + int bpp = mipi_dsi_pixel_format_to_bpp(dsi->format); + + if (mode->clock * bpp > 15000000 * dsi->lanes) + return MODE_CLOCK_HIGH; + + if (mode->clock * bpp < 80000 * dsi->lanes) + return MODE_CLOCK_LOW; + + return MODE_OK; +} + +static void +nwl_dsi_bridge_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode) +{ + struct nwl_dsi *dsi = bridge_to_dsi(bridge); + struct device *dev = dsi->dev; + union phy_configure_opts new_cfg; + unsigned long phy_ref_rate; + int ret; + + ret = nwl_dsi_get_dphy_params(dsi, adjusted_mode, &new_cfg); + if (ret < 0) + return; + + /* + * If hs clock is unchanged, we're all good - all parameters are + * derived from it atm. + */ + if (new_cfg.mipi_dphy.hs_clk_rate == dsi->phy_cfg.mipi_dphy.hs_clk_rate) + return; + + phy_ref_rate = clk_get_rate(dsi->phy_ref_clk); + DRM_DEV_DEBUG_DRIVER(dev, "PHY at ref rate: %lu\n", phy_ref_rate); + /* Save the new desired phy config */ + memcpy(&dsi->phy_cfg, &new_cfg, sizeof(new_cfg)); + + memcpy(&dsi->mode, adjusted_mode, sizeof(dsi->mode)); + drm_mode_debug_printmodeline(adjusted_mode); +} + +static void nwl_dsi_bridge_pre_enable(struct drm_bridge *bridge) +{ + struct nwl_dsi *dsi = bridge_to_dsi(bridge); + int ret; + + pm_runtime_get_sync(dsi->dev); + + if (clk_prepare_enable(dsi->lcdif_clk) < 0) + return; + if (clk_prepare_enable(dsi->core_clk) < 0) + return; + + /* Step 1 from DSI reset-out instructions */ + ret = reset_control_deassert(dsi->rst_pclk); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to deassert PCLK: %d\n", ret); + return; + } + + /* Step 2 from DSI reset-out instructions */ + nwl_dsi_enable(dsi); + + /* Step 3 from DSI reset-out instructions */ + ret = reset_control_deassert(dsi->rst_esc); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to deassert ESC: %d\n", ret); + return; + } + ret = reset_control_deassert(dsi->rst_byte); + if (ret < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to deassert BYTE: %d\n", ret); + return; + } +} + +static void nwl_dsi_bridge_enable(struct drm_bridge *bridge) +{ + struct nwl_dsi *dsi = bridge_to_dsi(bridge); + int ret; + + /* Step 5 from DSI reset-out instructions */ + ret = reset_control_deassert(dsi->rst_dpi); + if (ret < 0) + DRM_DEV_ERROR(dsi->dev, "Failed to deassert DPI: %d\n", ret); +} + +static int nwl_dsi_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) +{ + struct nwl_dsi *dsi = bridge_to_dsi(bridge); + struct drm_bridge *panel_bridge; + struct drm_panel *panel; + int ret; + + if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { + DRM_ERROR("Fix bridge driver to make connector optional!"); + return -EINVAL; + } + + ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0, &panel, + &panel_bridge); + if (ret) + return ret; + + if (panel) { + panel_bridge = drm_panel_bridge_add(panel); + if (IS_ERR(panel_bridge)) + return PTR_ERR(panel_bridge); + } + dsi->panel_bridge = panel_bridge; + + if (!dsi->panel_bridge) + return -EPROBE_DEFER; + + return drm_bridge_attach(bridge->encoder, dsi->panel_bridge, bridge, + flags); +} + +static void nwl_dsi_bridge_detach(struct drm_bridge *bridge) +{ struct nwl_dsi *dsi = bridge_to_dsi(bridge); + + drm_of_panel_bridge_remove(dsi->dev->of_node, 1, 0); +} + +static const struct drm_bridge_funcs nwl_dsi_bridge_funcs = { + .pre_enable = nwl_dsi_bridge_pre_enable, + .enable = nwl_dsi_bridge_enable, + .disable = nwl_dsi_bridge_disable, + .mode_fixup = nwl_dsi_bridge_mode_fixup, + .mode_set = nwl_dsi_bridge_mode_set, + .mode_valid = nwl_dsi_bridge_mode_valid, + .attach = nwl_dsi_bridge_attach, + .detach = nwl_dsi_bridge_detach, +}; + +static int nwl_dsi_parse_dt(struct nwl_dsi *dsi) +{ + struct platform_device *pdev = to_platform_device(dsi->dev); + struct clk *clk; + void __iomem *base; + int ret; + + dsi->phy = devm_phy_get(dsi->dev, "dphy"); + if (IS_ERR(dsi->phy)) { + ret = PTR_ERR(dsi->phy); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(dsi->dev, "Could not get PHY: %d\n", ret); + return ret; + } + + clk = devm_clk_get(dsi->dev, "lcdif"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + DRM_DEV_ERROR(dsi->dev, "Failed to get lcdif clock: %d\n", + ret); + return ret; + } + dsi->lcdif_clk = clk; + + clk = devm_clk_get(dsi->dev, "core"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + DRM_DEV_ERROR(dsi->dev, "Failed to get core clock: %d\n", + ret); + return ret; + } + dsi->core_clk = clk; + + clk = devm_clk_get(dsi->dev, "phy_ref"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + DRM_DEV_ERROR(dsi->dev, "Failed to get phy_ref clock: %d\n", + ret); + return ret; + } + dsi->phy_ref_clk = clk; + + clk = devm_clk_get(dsi->dev, "rx_esc"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + DRM_DEV_ERROR(dsi->dev, "Failed to get rx_esc clock: %d\n", + ret); + return ret; + } + dsi->rx_esc_clk = clk; + + clk = devm_clk_get(dsi->dev, "tx_esc"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + DRM_DEV_ERROR(dsi->dev, "Failed to get tx_esc clock: %d\n", + ret); + return ret; + } + dsi->tx_esc_clk = clk; + + dsi->mux = devm_mux_control_get(dsi->dev, NULL); + if (IS_ERR(dsi->mux)) { + ret = PTR_ERR(dsi->mux); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(dsi->dev, "Failed to get mux: %d\n", ret); + return ret; + } + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + dsi->regmap = + devm_regmap_init_mmio(dsi->dev, base, &nwl_dsi_regmap_config); + if (IS_ERR(dsi->regmap)) { + ret = PTR_ERR(dsi->regmap); + DRM_DEV_ERROR(dsi->dev, "Failed to create NWL DSI regmap: %d\n", + ret); + return ret; + } + + dsi->irq = platform_get_irq(pdev, 0); + if (dsi->irq < 0) { + DRM_DEV_ERROR(dsi->dev, "Failed to get device IRQ: %d\n", + dsi->irq); + return dsi->irq; + } + + dsi->rst_pclk = devm_reset_control_get_exclusive(dsi->dev, "pclk"); + if (IS_ERR(dsi->rst_pclk)) { + DRM_DEV_ERROR(dsi->dev, "Failed to get pclk reset: %ld\n", + PTR_ERR(dsi->rst_pclk)); + return PTR_ERR(dsi->rst_pclk); + } + dsi->rst_byte = devm_reset_control_get_exclusive(dsi->dev, "byte"); + if (IS_ERR(dsi->rst_byte)) { + DRM_DEV_ERROR(dsi->dev, "Failed to get byte reset: %ld\n", + PTR_ERR(dsi->rst_byte)); + return PTR_ERR(dsi->rst_byte); + } + dsi->rst_esc = devm_reset_control_get_exclusive(dsi->dev, "esc"); + if (IS_ERR(dsi->rst_esc)) { + DRM_DEV_ERROR(dsi->dev, "Failed to get esc reset: %ld\n", + PTR_ERR(dsi->rst_esc)); + return PTR_ERR(dsi->rst_esc); + } + dsi->rst_dpi = devm_reset_control_get_exclusive(dsi->dev, "dpi"); + if (IS_ERR(dsi->rst_dpi)) { + DRM_DEV_ERROR(dsi->dev, "Failed to get dpi reset: %ld\n", + PTR_ERR(dsi->rst_dpi)); + return PTR_ERR(dsi->rst_dpi); + } + return 0; +} + +static int nwl_dsi_select_input(struct nwl_dsi *dsi) +{ + struct device_node *remote; + u32 use_dcss = 1; + int ret; + + remote = of_graph_get_remote_node(dsi->dev->of_node, 0, + NWL_DSI_ENDPOINT_LCDIF); + if (remote) { + use_dcss = 0; + } else { + remote = of_graph_get_remote_node(dsi->dev->of_node, 0, + NWL_DSI_ENDPOINT_DCSS); + if (!remote) { + DRM_DEV_ERROR(dsi->dev, + "No valid input endpoint found\n"); + return -EINVAL; + } + } + + DRM_DEV_INFO(dsi->dev, "Using %s as input source\n", + (use_dcss) ? "DCSS" : "LCDIF"); + ret = mux_control_try_select(dsi->mux, use_dcss); + if (ret < 0) + DRM_DEV_ERROR(dsi->dev, "Failed to select input: %d\n", ret); + + of_node_put(remote); + return ret; +} + +static int nwl_dsi_deselect_input(struct nwl_dsi *dsi) +{ + int ret; + + ret = mux_control_deselect(dsi->mux); + if (ret < 0) + DRM_DEV_ERROR(dsi->dev, "Failed to deselect input: %d\n", ret); + + return ret; +} + +static const struct drm_bridge_timings nwl_dsi_timings = { + .input_bus_flags = DRM_BUS_FLAG_DE_LOW, +}; + +static const struct of_device_id nwl_dsi_dt_ids[] = { + { .compatible = "fsl,imx8mq-nwl-dsi", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, nwl_dsi_dt_ids); + +static const struct soc_device_attribute nwl_dsi_quirks_match[] = { + { .soc_id = "i.MX8MQ", .revision = "2.0", + .data = (void *)E11418_HS_MODE_QUIRK }, + { /* sentinel. */ }, +}; + +static int nwl_dsi_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct soc_device_attribute *attr; + struct nwl_dsi *dsi; + int ret; + + dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); + if (!dsi) + return -ENOMEM; + + dsi->dev = dev; + + ret = nwl_dsi_parse_dt(dsi); + if (ret) + return ret; + + ret = devm_request_irq(dev, dsi->irq, nwl_dsi_irq_handler, 0, + dev_name(dev), dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to request IRQ %d: %d\n", dsi->irq, + ret); + return ret; + } + + dsi->dsi_host.ops = &nwl_dsi_host_ops; + dsi->dsi_host.dev = dev; + ret = mipi_dsi_host_register(&dsi->dsi_host); + if (ret) { + DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret); + return ret; + } + + attr = soc_device_match(nwl_dsi_quirks_match); + if (attr) + dsi->quirks = (uintptr_t)attr->data; + + dsi->bridge.driver_private = dsi; + dsi->bridge.funcs = &nwl_dsi_bridge_funcs; + dsi->bridge.of_node = dev->of_node; + dsi->bridge.timings = &nwl_dsi_timings; + + dev_set_drvdata(dev, dsi); + pm_runtime_enable(dev); + + ret = nwl_dsi_select_input(dsi); + if (ret < 0) { + mipi_dsi_host_unregister(&dsi->dsi_host); + return ret; + } + + drm_bridge_add(&dsi->bridge); + return 0; +} + +static int nwl_dsi_remove(struct platform_device *pdev) +{ + struct nwl_dsi *dsi = platform_get_drvdata(pdev); + + nwl_dsi_deselect_input(dsi); + mipi_dsi_host_unregister(&dsi->dsi_host); + drm_bridge_remove(&dsi->bridge); + pm_runtime_disable(&pdev->dev); + return 0; +} + +static struct platform_driver nwl_dsi_driver = { + .probe = nwl_dsi_probe, + .remove = nwl_dsi_remove, + .driver = { + .of_match_table = nwl_dsi_dt_ids, + .name = DRV_NAME, + }, +}; + +module_platform_driver(nwl_dsi_driver); + +MODULE_AUTHOR("NXP Semiconductor"); +MODULE_AUTHOR("Purism SPC"); +MODULE_DESCRIPTION("Northwest Logic MIPI-DSI driver"); +MODULE_LICENSE("GPL"); /* GPLv2 or later */ diff --git a/drivers/gpu/drm/bridge/nwl-dsi.h b/drivers/gpu/drm/bridge/nwl-dsi.h new file mode 100644 index 000000000000..a247a8a11c7c --- /dev/null +++ b/drivers/gpu/drm/bridge/nwl-dsi.h @@ -0,0 +1,144 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * NWL MIPI DSI host driver + * + * Copyright (C) 2017 NXP + * Copyright (C) 2019 Purism SPC + */ +#ifndef __NWL_DSI_H__ +#define __NWL_DSI_H__ + +/* DSI HOST registers */ +#define NWL_DSI_CFG_NUM_LANES 0x0 +#define NWL_DSI_CFG_NONCONTINUOUS_CLK 0x4 +#define NWL_DSI_CFG_T_PRE 0x8 +#define NWL_DSI_CFG_T_POST 0xc +#define NWL_DSI_CFG_TX_GAP 0x10 +#define NWL_DSI_CFG_AUTOINSERT_EOTP 0x14 +#define NWL_DSI_CFG_EXTRA_CMDS_AFTER_EOTP 0x18 +#define NWL_DSI_CFG_HTX_TO_COUNT 0x1c +#define NWL_DSI_CFG_LRX_H_TO_COUNT 0x20 +#define NWL_DSI_CFG_BTA_H_TO_COUNT 0x24 +#define NWL_DSI_CFG_TWAKEUP 0x28 +#define NWL_DSI_CFG_STATUS_OUT 0x2c +#define NWL_DSI_RX_ERROR_STATUS 0x30 + +/* DSI DPI registers */ +#define NWL_DSI_PIXEL_PAYLOAD_SIZE 0x200 +#define NWL_DSI_PIXEL_FIFO_SEND_LEVEL 0x204 +#define NWL_DSI_INTERFACE_COLOR_CODING 0x208 +#define NWL_DSI_PIXEL_FORMAT 0x20c +#define NWL_DSI_VSYNC_POLARITY 0x210 +#define NWL_DSI_VSYNC_POLARITY_ACTIVE_LOW 0 +#define NWL_DSI_VSYNC_POLARITY_ACTIVE_HIGH BIT(1) + +#define NWL_DSI_HSYNC_POLARITY 0x214 +#define NWL_DSI_HSYNC_POLARITY_ACTIVE_LOW 0 +#define NWL_DSI_HSYNC_POLARITY_ACTIVE_HIGH BIT(1) + +#define NWL_DSI_VIDEO_MODE 0x218 +#define NWL_DSI_HFP 0x21c +#define NWL_DSI_HBP 0x220 +#define NWL_DSI_HSA 0x224 +#define NWL_DSI_ENABLE_MULT_PKTS 0x228 +#define NWL_DSI_VBP 0x22c +#define NWL_DSI_VFP 0x230 +#define NWL_DSI_BLLP_MODE 0x234 +#define NWL_DSI_USE_NULL_PKT_BLLP 0x238 +#define NWL_DSI_VACTIVE 0x23c +#define NWL_DSI_VC 0x240 + +/* DSI APB PKT control */ +#define NWL_DSI_TX_PAYLOAD 0x280 +#define NWL_DSI_PKT_CONTROL 0x284 +#define NWL_DSI_SEND_PACKET 0x288 +#define NWL_DSI_PKT_STATUS 0x28c +#define NWL_DSI_PKT_FIFO_WR_LEVEL 0x290 +#define NWL_DSI_PKT_FIFO_RD_LEVEL 0x294 +#define NWL_DSI_RX_PAYLOAD 0x298 +#define NWL_DSI_RX_PKT_HEADER 0x29c + +/* DSI IRQ handling */ +#define NWL_DSI_IRQ_STATUS 0x2a0 +#define NWL_DSI_SM_NOT_IDLE BIT(0) +#define NWL_DSI_TX_PKT_DONE BIT(1) +#define NWL_DSI_DPHY_DIRECTION BIT(2) +#define NWL_DSI_TX_FIFO_OVFLW BIT(3) +#define NWL_DSI_TX_FIFO_UDFLW BIT(4) +#define NWL_DSI_RX_FIFO_OVFLW BIT(5) +#define NWL_DSI_RX_FIFO_UDFLW BIT(6) +#define NWL_DSI_RX_PKT_HDR_RCVD BIT(7) +#define NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD BIT(8) +#define NWL_DSI_BTA_TIMEOUT BIT(29) +#define NWL_DSI_LP_RX_TIMEOUT BIT(30) +#define NWL_DSI_HS_TX_TIMEOUT BIT(31) + +#define NWL_DSI_IRQ_STATUS2 0x2a4 +#define NWL_DSI_SINGLE_BIT_ECC_ERR BIT(0) +#define NWL_DSI_MULTI_BIT_ECC_ERR BIT(1) +#define NWL_DSI_CRC_ERR BIT(2) + +#define NWL_DSI_IRQ_MASK 0x2a8 +#define NWL_DSI_SM_NOT_IDLE_MASK BIT(0) +#define NWL_DSI_TX_PKT_DONE_MASK BIT(1) +#define NWL_DSI_DPHY_DIRECTION_MASK BIT(2) +#define NWL_DSI_TX_FIFO_OVFLW_MASK BIT(3) +#define NWL_DSI_TX_FIFO_UDFLW_MASK BIT(4) +#define NWL_DSI_RX_FIFO_OVFLW_MASK BIT(5) +#define NWL_DSI_RX_FIFO_UDFLW_MASK BIT(6) +#define NWL_DSI_RX_PKT_HDR_RCVD_MASK BIT(7) +#define NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD_MASK BIT(8) +#define NWL_DSI_BTA_TIMEOUT_MASK BIT(29) +#define NWL_DSI_LP_RX_TIMEOUT_MASK BIT(30) +#define NWL_DSI_HS_TX_TIMEOUT_MASK BIT(31) + +#define NWL_DSI_IRQ_MASK2 0x2ac +#define NWL_DSI_SINGLE_BIT_ECC_ERR_MASK BIT(0) +#define NWL_DSI_MULTI_BIT_ECC_ERR_MASK BIT(1) +#define NWL_DSI_CRC_ERR_MASK BIT(2) + +/* + * PKT_CONTROL format: + * [15: 0] - word count + * [17:16] - virtual channel + * [23:18] - data type + * [24] - LP or HS select (0 - LP, 1 - HS) + * [25] - perform BTA after packet is sent + * [26] - perform BTA only, no packet tx + */ +#define NWL_DSI_WC(x) FIELD_PREP(GENMASK(15, 0), (x)) +#define NWL_DSI_TX_VC(x) FIELD_PREP(GENMASK(17, 16), (x)) +#define NWL_DSI_TX_DT(x) FIELD_PREP(GENMASK(23, 18), (x)) +#define NWL_DSI_HS_SEL(x) FIELD_PREP(GENMASK(24, 24), (x)) +#define NWL_DSI_BTA_TX(x) FIELD_PREP(GENMASK(25, 25), (x)) +#define NWL_DSI_BTA_NO_TX(x) FIELD_PREP(GENMASK(26, 26), (x)) + +/* + * RX_PKT_HEADER format: + * [15: 0] - word count + * [21:16] - data type + * [23:22] - virtual channel + */ +#define NWL_DSI_RX_DT(x) FIELD_GET(GENMASK(21, 16), (x)) +#define NWL_DSI_RX_VC(x) FIELD_GET(GENMASK(23, 22), (x)) + +/* DSI Video mode */ +#define NWL_DSI_VM_BURST_MODE_WITH_SYNC_PULSES 0 +#define NWL_DSI_VM_NON_BURST_MODE_WITH_SYNC_EVENTS BIT(0) +#define NWL_DSI_VM_BURST_MODE BIT(1) + +/* * DPI color coding */ +#define NWL_DSI_DPI_16_BIT_565_PACKED 0 +#define NWL_DSI_DPI_16_BIT_565_ALIGNED 1 +#define NWL_DSI_DPI_16_BIT_565_SHIFTED 2 +#define NWL_DSI_DPI_18_BIT_PACKED 3 +#define NWL_DSI_DPI_18_BIT_ALIGNED 4 +#define NWL_DSI_DPI_24_BIT 5 + +/* * DPI Pixel format */ +#define NWL_DSI_PIXEL_FORMAT_16 0 +#define NWL_DSI_PIXEL_FORMAT_18 BIT(0) +#define NWL_DSI_PIXEL_FORMAT_18L BIT(1) +#define NWL_DSI_PIXEL_FORMAT_24 (BIT(0) | BIT(1)) + +#endif /* __NWL_DSI_H__ */ diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 8461ee8304ba..e933f1c47f5d 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -311,6 +311,7 @@ EXPORT_SYMBOL(devm_drm_panel_bridge_add_typed); /** * drm_panel_bridge_connector - return the connector for the panel bridge + * @bridge: The drm_bridge. * * drm_panel_bridge creates the connector. * This function gives external access to the connector. diff --git a/drivers/gpu/drm/bridge/sii9234.c b/drivers/gpu/drm/bridge/sii9234.c index f81f81b7051f..b1258f0ed205 100644 --- a/drivers/gpu/drm/bridge/sii9234.c +++ b/drivers/gpu/drm/bridge/sii9234.c @@ -836,7 +836,8 @@ static int sii9234_init_resources(struct sii9234 *ctx, ctx->supplies[3].supply = "cvcc12"; ret = devm_regulator_bulk_get(ctx->dev, 4, ctx->supplies); if (ret) { - dev_err(ctx->dev, "regulator_bulk failed\n"); + if (ret != -EPROBE_DEFER) + dev_err(ctx->dev, "regulator_bulk failed\n"); return ret; } diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 383b1073d7de..30681398cfb0 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -92,6 +92,12 @@ static const u16 csc_coeff_rgb_in_eitu709[3][4] = { { 0x6756, 0x78ab, 0x2000, 0x0200 } }; +static const u16 csc_coeff_rgb_full_to_rgb_limited[3][4] = { + { 0x1b7c, 0x0000, 0x0000, 0x0020 }, + { 0x0000, 0x1b7c, 0x0000, 0x0020 }, + { 0x0000, 0x0000, 0x1b7c, 0x0020 } +}; + struct hdmi_vmode { bool mdataenablepolarity; @@ -109,6 +115,7 @@ struct hdmi_data_info { unsigned int pix_repet_factor; unsigned int hdcp_enable; struct hdmi_vmode video_mode; + bool rgb_limited_range; }; struct dw_hdmi_i2c { @@ -956,7 +963,14 @@ static void hdmi_video_sample(struct dw_hdmi *hdmi) static int is_color_space_conversion(struct dw_hdmi *hdmi) { - return hdmi->hdmi_data.enc_in_bus_format != hdmi->hdmi_data.enc_out_bus_format; + struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data; + bool is_input_rgb, is_output_rgb; + + is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format); + is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format); + + return (is_input_rgb != is_output_rgb) || + (is_input_rgb && is_output_rgb && hdmi_data->rgb_limited_range); } static int is_color_space_decimation(struct dw_hdmi *hdmi) @@ -983,28 +997,37 @@ static int is_color_space_interpolation(struct dw_hdmi *hdmi) return 0; } +static bool is_csc_needed(struct dw_hdmi *hdmi) +{ + return is_color_space_conversion(hdmi) || + is_color_space_decimation(hdmi) || + is_color_space_interpolation(hdmi); +} + static void dw_hdmi_update_csc_coeffs(struct dw_hdmi *hdmi) { const u16 (*csc_coeff)[3][4] = &csc_coeff_default; + bool is_input_rgb, is_output_rgb; unsigned i; u32 csc_scale = 1; - if (is_color_space_conversion(hdmi)) { - if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) { - if (hdmi->hdmi_data.enc_out_encoding == - V4L2_YCBCR_ENC_601) - csc_coeff = &csc_coeff_rgb_out_eitu601; - else - csc_coeff = &csc_coeff_rgb_out_eitu709; - } else if (hdmi_bus_fmt_is_rgb( - hdmi->hdmi_data.enc_in_bus_format)) { - if (hdmi->hdmi_data.enc_out_encoding == - V4L2_YCBCR_ENC_601) - csc_coeff = &csc_coeff_rgb_in_eitu601; - else - csc_coeff = &csc_coeff_rgb_in_eitu709; - csc_scale = 0; - } + is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format); + is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format); + + if (!is_input_rgb && is_output_rgb) { + if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601) + csc_coeff = &csc_coeff_rgb_out_eitu601; + else + csc_coeff = &csc_coeff_rgb_out_eitu709; + } else if (is_input_rgb && !is_output_rgb) { + if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601) + csc_coeff = &csc_coeff_rgb_in_eitu601; + else + csc_coeff = &csc_coeff_rgb_in_eitu709; + csc_scale = 0; + } else if (is_input_rgb && is_output_rgb && + hdmi->hdmi_data.rgb_limited_range) { + csc_coeff = &csc_coeff_rgb_full_to_rgb_limited; } /* The CSC registers are sequential, alternating MSB then LSB */ @@ -1614,6 +1637,18 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode) drm_hdmi_avi_infoframe_from_display_mode(&frame, &hdmi->connector, mode); + if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) { + drm_hdmi_avi_infoframe_quant_range(&frame, &hdmi->connector, + mode, + hdmi->hdmi_data.rgb_limited_range ? + HDMI_QUANTIZATION_RANGE_LIMITED : + HDMI_QUANTIZATION_RANGE_FULL); + } else { + frame.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT; + frame.ycc_quantization_range = + HDMI_YCC_QUANTIZATION_RANGE_LIMITED; + } + if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format)) frame.colorspace = HDMI_COLORSPACE_YUV444; else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) @@ -1654,8 +1689,6 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode) HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; } - frame.scan_mode = HDMI_SCAN_MODE_NONE; - /* * The Designware IP uses a different byte format from standard * AVI info frames, though generally the bits are in the correct @@ -2010,18 +2043,19 @@ static void dw_hdmi_enable_video_path(struct dw_hdmi *hdmi) hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); /* Enable csc path */ - if (is_color_space_conversion(hdmi)) { + if (is_csc_needed(hdmi)) { hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); - } - /* Enable color space conversion if needed */ - if (is_color_space_conversion(hdmi)) hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH, HDMI_MC_FLOWCTRL); - else + } else { + hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CSCCLK_DISABLE; + hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS); + hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS, HDMI_MC_FLOWCTRL); + } } /* Workaround to clear the overflow condition */ @@ -2119,6 +2153,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode) if (hdmi->hdmi_data.enc_out_bus_format == MEDIA_BUS_FMT_FIXED) hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24; + hdmi->hdmi_data.rgb_limited_range = hdmi->sink_is_hdmi && + drm_default_rgb_quant_range(mode) == + HDMI_QUANTIZATION_RANGE_LIMITED; + hdmi->hdmi_data.pix_repet_factor = 0; hdmi->hdmi_data.hdcp_enable = 0; hdmi->hdmi_data.video_mode.mdataenablepolarity = true; diff --git a/drivers/gpu/drm/cirrus/cirrus.c b/drivers/gpu/drm/cirrus/cirrus.c index d2ff63ce8eaf..a36269717c3b 100644 --- a/drivers/gpu/drm/cirrus/cirrus.c +++ b/drivers/gpu/drm/cirrus/cirrus.c @@ -35,6 +35,7 @@ #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_ioctl.h> +#include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> @@ -509,11 +510,15 @@ static const struct drm_mode_config_funcs cirrus_mode_config_funcs = { .atomic_commit = drm_atomic_helper_commit, }; -static void cirrus_mode_config_init(struct cirrus_device *cirrus) +static int cirrus_mode_config_init(struct cirrus_device *cirrus) { struct drm_device *dev = &cirrus->dev; + int ret; + + ret = drmm_mode_config_init(dev); + if (ret) + return ret; - drm_mode_config_init(dev); dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; dev->mode_config.max_width = CIRRUS_MAX_PITCH / 2; @@ -521,18 +526,12 @@ static void cirrus_mode_config_init(struct cirrus_device *cirrus) dev->mode_config.preferred_depth = 16; dev->mode_config.prefer_shadow = 0; dev->mode_config.funcs = &cirrus_mode_config_funcs; + + return 0; } /* ------------------------------------------------------------------ */ -static void cirrus_release(struct drm_device *dev) -{ - struct cirrus_device *cirrus = dev->dev_private; - - drm_mode_config_cleanup(dev); - kfree(cirrus); -} - DEFINE_DRM_GEM_FOPS(cirrus_fops); static struct drm_driver cirrus_driver = { @@ -546,7 +545,6 @@ static struct drm_driver cirrus_driver = { .fops = &cirrus_fops, DRM_GEM_SHMEM_DRIVER_OPS, - .release = cirrus_release, }; static int cirrus_pci_probe(struct pci_dev *pdev, @@ -560,7 +558,7 @@ static int cirrus_pci_probe(struct pci_dev *pdev, if (ret) return ret; - ret = pci_enable_device(pdev); + ret = pcim_enable_device(pdev); if (ret) return ret; @@ -571,34 +569,38 @@ static int cirrus_pci_probe(struct pci_dev *pdev, ret = -ENOMEM; cirrus = kzalloc(sizeof(*cirrus), GFP_KERNEL); if (cirrus == NULL) - goto err_pci_release; + return ret; dev = &cirrus->dev; - ret = drm_dev_init(dev, &cirrus_driver, &pdev->dev); - if (ret) - goto err_free_cirrus; + ret = devm_drm_dev_init(&pdev->dev, dev, &cirrus_driver); + if (ret) { + kfree(cirrus); + return ret; + } dev->dev_private = cirrus; + drmm_add_final_kfree(dev, cirrus); - ret = -ENOMEM; - cirrus->vram = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); + cirrus->vram = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); if (cirrus->vram == NULL) - goto err_dev_put; + return -ENOMEM; - cirrus->mmio = ioremap(pci_resource_start(pdev, 1), - pci_resource_len(pdev, 1)); + cirrus->mmio = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1)); if (cirrus->mmio == NULL) - goto err_unmap_vram; + return -ENOMEM; - cirrus_mode_config_init(cirrus); + ret = cirrus_mode_config_init(cirrus); + if (ret) + return ret; ret = cirrus_conn_init(cirrus); if (ret < 0) - goto err_cleanup; + return ret; ret = cirrus_pipe_init(cirrus); if (ret < 0) - goto err_cleanup; + return ret; drm_mode_config_reset(dev); @@ -606,36 +608,18 @@ static int cirrus_pci_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, dev); ret = drm_dev_register(dev, 0); if (ret) - goto err_cleanup; + return ret; drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth); return 0; - -err_cleanup: - drm_mode_config_cleanup(dev); - iounmap(cirrus->mmio); -err_unmap_vram: - iounmap(cirrus->vram); -err_dev_put: - drm_dev_put(dev); -err_free_cirrus: - kfree(cirrus); -err_pci_release: - pci_release_regions(pdev); - return ret; } static void cirrus_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); - struct cirrus_device *cirrus = dev->dev_private; drm_dev_unplug(dev); drm_atomic_helper_shutdown(dev); - iounmap(cirrus->mmio); - iounmap(cirrus->vram); - drm_dev_put(dev); - pci_release_regions(pdev); } static const struct pci_device_id pciidlist[] = { diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 9ccfbf213d72..965173fd0ac2 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1641,10 +1641,10 @@ static const struct drm_info_list drm_atomic_debugfs_list[] = { {"state", drm_state_info, 0}, }; -int drm_atomic_debugfs_init(struct drm_minor *minor) +void drm_atomic_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(drm_atomic_debugfs_list, - ARRAY_SIZE(drm_atomic_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(drm_atomic_debugfs_list, + ARRAY_SIZE(drm_atomic_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 531b876d0ed8..800ac39f3213 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -135,6 +135,7 @@ static int drm_set_master(struct drm_device *dev, struct drm_file *fpriv, } } + fpriv->was_master = (ret == 0); return ret; } @@ -174,17 +175,77 @@ out_err: return ret; } +/* + * In the olden days the SET/DROP_MASTER ioctls used to return EACCES when + * CAP_SYS_ADMIN was not set. This was used to prevent rogue applications + * from becoming master and/or failing to release it. + * + * At the same time, the first client (for a given VT) is _always_ master. + * Thus in order for the ioctls to succeed, one had to _explicitly_ run the + * application as root or flip the setuid bit. + * + * If the CAP_SYS_ADMIN was missing, no other client could become master... + * EVER :-( Leading to a) the graphics session dying badly or b) a completely + * locked session. + * + * + * As some point systemd-logind was introduced to orchestrate and delegate + * master as applicable. It does so by opening the fd and passing it to users + * while in itself logind a) does the set/drop master per users' request and + * b) * implicitly drops master on VT switch. + * + * Even though logind looks like the future, there are a few issues: + * - some platforms don't have equivalent (Android, CrOS, some BSDs) so + * root is required _solely_ for SET/DROP MASTER. + * - applications may not be updated to use it, + * - any client which fails to drop master* can DoS the application using + * logind, to a varying degree. + * + * * Either due missing CAP_SYS_ADMIN or simply not calling DROP_MASTER. + * + * + * Here we implement the next best thing: + * - ensure the logind style of fd passing works unchanged, and + * - allow a client to drop/set master, iff it is/was master at a given point + * in time. + * + * Note: DROP_MASTER cannot be free for all, as an arbitrator user could: + * - DoS/crash the arbitrator - details would be implementation specific + * - open the node, become master implicitly and cause issues + * + * As a result this fixes the following when using root-less build w/o logind + * - startx + * - weston + * - various compositors based on wlroots + */ +static int +drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv) +{ + if (file_priv->pid == task_pid(current) && file_priv->was_master) + return 0; + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + + return 0; +} + int drm_setmaster_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { int ret = 0; mutex_lock(&dev->master_mutex); + + ret = drm_master_check_perm(dev, file_priv); + if (ret) + goto out_unlock; + if (drm_is_current_master(file_priv)) goto out_unlock; if (dev->master) { - ret = -EINVAL; + ret = -EBUSY; goto out_unlock; } @@ -224,6 +285,12 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, int ret = -EINVAL; mutex_lock(&dev->master_mutex); + + ret = drm_master_check_perm(dev, file_priv); + if (ret) + goto out_unlock; + + ret = -EINVAL; if (!drm_is_current_master(file_priv)) goto out_unlock; diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c index 121481f6aa71..88eedee018d3 100644 --- a/drivers/gpu/drm/drm_blend.c +++ b/drivers/gpu/drm/drm_blend.c @@ -183,6 +183,12 @@ * plane does not expose the "alpha" property, then this is * assumed to be 1.0 * + * IN_FORMATS: + * Blob property which contains the set of buffer format and modifier + * pairs supported by this plane. The blob is a drm_format_modifier_blob + * struct. Without this property the plane doesn't support buffers with + * modifiers. Userspace cannot change this property. + * * Note that all the property extensions described here apply either to the * plane or the CRTC (e.g. for the background color, which currently is not * exposed and assumed to be black). diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index dcabf5698333..ef26ac57f039 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -33,6 +33,7 @@ #include <linux/mm.h> #include <linux/mman.h> #include <linux/nospec.h> +#include <linux/pci.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/vmalloc.h> @@ -43,7 +44,6 @@ #include <drm/drm_device.h> #include <drm/drm_drv.h> #include <drm/drm_file.h> -#include <drm/drm_pci.h> #include <drm/drm_print.h> #include "drm_legacy.h" diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c index 6b0c6ef8b9b3..8cb93f5209a4 100644 --- a/drivers/gpu/drm/drm_client.c +++ b/drivers/gpu/drm/drm_client.c @@ -457,10 +457,10 @@ static const struct drm_info_list drm_client_debugfs_list[] = { { "internal_clients", drm_client_debugfs_internal_clients, 0 }, }; -int drm_client_debugfs_init(struct drm_minor *minor) +void drm_client_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(drm_client_debugfs_list, - ARRAY_SIZE(drm_client_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(drm_client_debugfs_list, + ARRAY_SIZE(drm_client_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 644f0ad10671..b1099e1251a2 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1970,6 +1970,8 @@ int drm_connector_update_edid_property(struct drm_connector *connector, else drm_reset_display_info(connector); + drm_update_tile_info(connector, edid); + drm_object_property_set_value(&connector->base, dev->mode_config.non_desktop_property, connector->display_info.non_desktop); @@ -2392,7 +2394,7 @@ EXPORT_SYMBOL(drm_mode_put_tile_group); * tile group or NULL if not found. */ struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, - char topology[8]) + const char topology[8]) { struct drm_tile_group *tg; int id; @@ -2422,7 +2424,7 @@ EXPORT_SYMBOL(drm_mode_get_tile_group); * new tile group or NULL. */ struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, - char topology[8]) + const char topology[8]) { struct drm_tile_group *tg; int ret; diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h index 16f2413403aa..da96b2f64d7e 100644 --- a/drivers/gpu/drm/drm_crtc_internal.h +++ b/drivers/gpu/drm/drm_crtc_internal.h @@ -82,6 +82,7 @@ int drm_mode_setcrtc(struct drm_device *dev, /* drm_mode_config.c */ int drm_modeset_register_all(struct drm_device *dev); void drm_modeset_unregister_all(struct drm_device *dev); +void drm_mode_config_validate(struct drm_device *dev); /* drm_modes.c */ const char *drm_get_mode_status_name(enum drm_mode_status status); @@ -224,7 +225,7 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, /* drm_atomic.c */ #ifdef CONFIG_DEBUG_FS struct drm_minor; -int drm_atomic_debugfs_init(struct drm_minor *minor); +void drm_atomic_debugfs_init(struct drm_minor *minor); #endif int __drm_atomic_helper_disable_plane(struct drm_plane *plane, @@ -278,3 +279,4 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, void drm_mode_fixup_1366x768(struct drm_display_mode *mode); void drm_reset_display_info(struct drm_connector *connector); u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid); +void drm_update_tile_info(struct drm_connector *connector, const struct edid *edid); diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index 4e673d318503..2bea22130703 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -172,8 +172,8 @@ static const struct file_operations drm_debugfs_fops = { * &struct drm_info_list in the given root directory. These files will be removed * automatically on drm_debugfs_cleanup(). */ -int drm_debugfs_create_files(const struct drm_info_list *files, int count, - struct dentry *root, struct drm_minor *minor) +void drm_debugfs_create_files(const struct drm_info_list *files, int count, + struct dentry *root, struct drm_minor *minor) { struct drm_device *dev = minor->dev; struct drm_info_node *tmp; @@ -199,7 +199,6 @@ int drm_debugfs_create_files(const struct drm_info_list *files, int count, list_add(&tmp->list, &minor->debugfs_list); mutex_unlock(&minor->debugfs_lock); } - return 0; } EXPORT_SYMBOL(drm_debugfs_create_files); @@ -208,52 +207,28 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id, { struct drm_device *dev = minor->dev; char name[64]; - int ret; INIT_LIST_HEAD(&minor->debugfs_list); mutex_init(&minor->debugfs_lock); sprintf(name, "%d", minor_id); minor->debugfs_root = debugfs_create_dir(name, root); - ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, - minor->debugfs_root, minor); - if (ret) { - debugfs_remove(minor->debugfs_root); - minor->debugfs_root = NULL; - DRM_ERROR("Failed to create core drm debugfs files\n"); - return ret; - } + drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); if (drm_drv_uses_atomic_modeset(dev)) { - ret = drm_atomic_debugfs_init(minor); - if (ret) { - DRM_ERROR("Failed to create atomic debugfs files\n"); - return ret; - } + drm_atomic_debugfs_init(minor); } if (drm_core_check_feature(dev, DRIVER_MODESET)) { - ret = drm_framebuffer_debugfs_init(minor); - if (ret) { - DRM_ERROR("Failed to create framebuffer debugfs file\n"); - return ret; - } + drm_framebuffer_debugfs_init(minor); - ret = drm_client_debugfs_init(minor); - if (ret) { - DRM_ERROR("Failed to create client debugfs file\n"); - return ret; - } + drm_client_debugfs_init(minor); } - if (dev->driver->debugfs_init) { - ret = dev->driver->debugfs_init(minor); - if (ret) { - DRM_ERROR("DRM: Driver failed to initialize " - "/sys/kernel/debug/dri.\n"); - return ret; - } - } + if (dev->driver->debugfs_init) + dev->driver->debugfs_init(minor); + return 0; } diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c index a7add55a85b4..d07ba54ec945 100644 --- a/drivers/gpu/drm/drm_dma.c +++ b/drivers/gpu/drm/drm_dma.c @@ -34,9 +34,9 @@ */ #include <linux/export.h> +#include <linux/pci.h> #include <drm/drm_drv.h> -#include <drm/drm_pci.h> #include <drm/drm_print.h> #include "drm_legacy.h" diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 70c4b7afed12..13213c4b77d1 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -27,6 +27,7 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/seq_file.h> +#include <linux/iopoll.h> #if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) #include <linux/stacktrace.h> @@ -687,51 +688,45 @@ static void drm_dp_encode_sideband_reply(struct drm_dp_sideband_msg_reply_body * raw->cur_len = idx; } -/* this adds a chunk of msg to the builder to get the final msg */ -static bool drm_dp_sideband_msg_build(struct drm_dp_sideband_msg_rx *msg, - u8 *replybuf, u8 replybuflen, bool hdr) +static int drm_dp_sideband_msg_set_header(struct drm_dp_sideband_msg_rx *msg, + struct drm_dp_sideband_msg_hdr *hdr, + u8 hdrlen) { - int ret; - u8 crc4; + /* + * ignore out-of-order messages or messages that are part of a + * failed transaction + */ + if (!hdr->somt && !msg->have_somt) + return false; - if (hdr) { - u8 hdrlen; - struct drm_dp_sideband_msg_hdr recv_hdr; - ret = drm_dp_decode_sideband_msg_hdr(&recv_hdr, replybuf, replybuflen, &hdrlen); - if (ret == false) { - print_hex_dump(KERN_DEBUG, "failed hdr", DUMP_PREFIX_NONE, 16, 1, replybuf, replybuflen, false); - return false; - } + /* get length contained in this portion */ + msg->curchunk_idx = 0; + msg->curchunk_len = hdr->msg_len; + msg->curchunk_hdrlen = hdrlen; - /* - * ignore out-of-order messages or messages that are part of a - * failed transaction - */ - if (!recv_hdr.somt && !msg->have_somt) - return false; + /* we have already gotten an somt - don't bother parsing */ + if (hdr->somt && msg->have_somt) + return false; - /* get length contained in this portion */ - msg->curchunk_len = recv_hdr.msg_len; - msg->curchunk_hdrlen = hdrlen; + if (hdr->somt) { + memcpy(&msg->initial_hdr, hdr, + sizeof(struct drm_dp_sideband_msg_hdr)); + msg->have_somt = true; + } + if (hdr->eomt) + msg->have_eomt = true; - /* we have already gotten an somt - don't bother parsing */ - if (recv_hdr.somt && msg->have_somt) - return false; + return true; +} - if (recv_hdr.somt) { - memcpy(&msg->initial_hdr, &recv_hdr, sizeof(struct drm_dp_sideband_msg_hdr)); - msg->have_somt = true; - } - if (recv_hdr.eomt) - msg->have_eomt = true; +/* this adds a chunk of msg to the builder to get the final msg */ +static bool drm_dp_sideband_append_payload(struct drm_dp_sideband_msg_rx *msg, + u8 *replybuf, u8 replybuflen) +{ + u8 crc4; - /* copy the bytes for the remainder of this header chunk */ - msg->curchunk_idx = min(msg->curchunk_len, (u8)(replybuflen - hdrlen)); - memcpy(&msg->chunk[0], replybuf + hdrlen, msg->curchunk_idx); - } else { - memcpy(&msg->chunk[msg->curchunk_idx], replybuf, replybuflen); - msg->curchunk_idx += replybuflen; - } + memcpy(&msg->chunk[msg->curchunk_idx], replybuf, replybuflen); + msg->curchunk_idx += replybuflen; if (msg->curchunk_idx >= msg->curchunk_len) { /* do CRC */ @@ -1060,13 +1055,12 @@ static void build_link_address(struct drm_dp_sideband_msg_tx *msg) drm_dp_encode_sideband_req(&req, msg); } -static int build_clear_payload_id_table(struct drm_dp_sideband_msg_tx *msg) +static void build_clear_payload_id_table(struct drm_dp_sideband_msg_tx *msg) { struct drm_dp_sideband_msg_req_body req; req.req_type = DP_CLEAR_PAYLOAD_ID_TABLE; drm_dp_encode_sideband_req(&req, msg); - return 0; } static int build_enum_path_resources(struct drm_dp_sideband_msg_tx *msg, @@ -1211,8 +1205,6 @@ static int drm_dp_mst_wait_tx_reply(struct drm_dp_mst_branch *mstb, txmsg->state == DRM_DP_SIDEBAND_TX_SENT) { mstb->tx_slots[txmsg->seqno] = NULL; } - mgr->is_waiting_for_dwn_reply = false; - } out: if (unlikely(ret == -EIO) && drm_debug_enabled(DRM_UT_DP)) { @@ -1222,7 +1214,6 @@ out: } mutex_unlock(&mgr->qlock); - drm_dp_mst_kick_tx(mgr); return ret; } @@ -2798,11 +2789,9 @@ static void process_single_down_tx_qlock(struct drm_dp_mst_topology_mgr *mgr) ret = process_single_tx_qlock(mgr, txmsg, false); if (ret == 1) { /* txmsg is sent it should be in the slots now */ - mgr->is_waiting_for_dwn_reply = true; list_del(&txmsg->next); } else if (ret) { DRM_DEBUG_KMS("failed to send msg in q %d\n", ret); - mgr->is_waiting_for_dwn_reply = false; list_del(&txmsg->next); if (txmsg->seqno != -1) txmsg->dst->tx_slots[txmsg->seqno] = NULL; @@ -2842,8 +2831,7 @@ static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr, drm_dp_mst_dump_sideband_msg_tx(&p, txmsg); } - if (list_is_singular(&mgr->tx_msg_downq) && - !mgr->is_waiting_for_dwn_reply) + if (list_is_singular(&mgr->tx_msg_downq)) process_single_down_tx_qlock(mgr); mutex_unlock(&mgr->qlock); } @@ -3703,31 +3691,67 @@ out_fail: } EXPORT_SYMBOL(drm_dp_mst_topology_mgr_resume); -static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) +static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up, + struct drm_dp_mst_branch **mstb, int *seqno) { int len; u8 replyblock[32]; int replylen, curreply; int ret; + u8 hdrlen; + struct drm_dp_sideband_msg_hdr hdr; struct drm_dp_sideband_msg_rx *msg; - int basereg = up ? DP_SIDEBAND_MSG_UP_REQ_BASE : DP_SIDEBAND_MSG_DOWN_REP_BASE; - msg = up ? &mgr->up_req_recv : &mgr->down_rep_recv; + int basereg = up ? DP_SIDEBAND_MSG_UP_REQ_BASE : + DP_SIDEBAND_MSG_DOWN_REP_BASE; + + if (!up) + *mstb = NULL; + *seqno = -1; len = min(mgr->max_dpcd_transaction_bytes, 16); - ret = drm_dp_dpcd_read(mgr->aux, basereg, - replyblock, len); + ret = drm_dp_dpcd_read(mgr->aux, basereg, replyblock, len); if (ret != len) { DRM_DEBUG_KMS("failed to read DPCD down rep %d %d\n", len, ret); return false; } - ret = drm_dp_sideband_msg_build(msg, replyblock, len, true); + + ret = drm_dp_decode_sideband_msg_hdr(&hdr, replyblock, len, &hdrlen); + if (ret == false) { + print_hex_dump(KERN_DEBUG, "failed hdr", DUMP_PREFIX_NONE, 16, + 1, replyblock, len, false); + DRM_DEBUG_KMS("ERROR: failed header\n"); + return false; + } + + *seqno = hdr.seqno; + + if (up) { + msg = &mgr->up_req_recv; + } else { + /* Caller is responsible for giving back this reference */ + *mstb = drm_dp_get_mst_branch_device(mgr, hdr.lct, hdr.rad); + if (!*mstb) { + DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", + hdr.lct); + return false; + } + msg = &(*mstb)->down_rep_recv[hdr.seqno]; + } + + if (!drm_dp_sideband_msg_set_header(msg, &hdr, hdrlen)) { + DRM_DEBUG_KMS("sideband msg set header failed %d\n", + replyblock[0]); + return false; + } + + replylen = min(msg->curchunk_len, (u8)(len - hdrlen)); + ret = drm_dp_sideband_append_payload(msg, replyblock + hdrlen, replylen); if (!ret) { DRM_DEBUG_KMS("sideband msg build failed %d\n", replyblock[0]); return false; } - replylen = msg->curchunk_len + msg->curchunk_hdrlen; - replylen -= len; + replylen = msg->curchunk_len + msg->curchunk_hdrlen - len; curreply = len; while (replylen > 0) { len = min3(replylen, mgr->max_dpcd_transaction_bytes, 16); @@ -3739,7 +3763,7 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) return false; } - ret = drm_dp_sideband_msg_build(msg, replyblock, len, false); + ret = drm_dp_sideband_append_payload(msg, replyblock, len); if (!ret) { DRM_DEBUG_KMS("failed to build sideband msg\n"); return false; @@ -3754,67 +3778,63 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up) static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr) { struct drm_dp_sideband_msg_tx *txmsg; - struct drm_dp_mst_branch *mstb; - struct drm_dp_sideband_msg_hdr *hdr = &mgr->down_rep_recv.initial_hdr; - int slot = -1; + struct drm_dp_mst_branch *mstb = NULL; + struct drm_dp_sideband_msg_rx *msg = NULL; + int seqno = -1; - if (!drm_dp_get_one_sb_msg(mgr, false)) - goto clear_down_rep_recv; + if (!drm_dp_get_one_sb_msg(mgr, false, &mstb, &seqno)) + goto out_clear_reply; - if (!mgr->down_rep_recv.have_eomt) - return 0; + msg = &mstb->down_rep_recv[seqno]; - mstb = drm_dp_get_mst_branch_device(mgr, hdr->lct, hdr->rad); - if (!mstb) { - DRM_DEBUG_KMS("Got MST reply from unknown device %d\n", - hdr->lct); - goto clear_down_rep_recv; - } + /* Multi-packet message transmission, don't clear the reply */ + if (!msg->have_eomt) + goto out; /* find the message */ - slot = hdr->seqno; mutex_lock(&mgr->qlock); - txmsg = mstb->tx_slots[slot]; + txmsg = mstb->tx_slots[seqno]; /* remove from slots */ mutex_unlock(&mgr->qlock); if (!txmsg) { + struct drm_dp_sideband_msg_hdr *hdr; + hdr = &msg->initial_hdr; DRM_DEBUG_KMS("Got MST reply with no msg %p %d %d %02x %02x\n", mstb, hdr->seqno, hdr->lct, hdr->rad[0], - mgr->down_rep_recv.msg[0]); - goto no_msg; + msg->msg[0]); + goto out_clear_reply; } - drm_dp_sideband_parse_reply(&mgr->down_rep_recv, &txmsg->reply); + drm_dp_sideband_parse_reply(msg, &txmsg->reply); - if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK) + if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK) { DRM_DEBUG_KMS("Got NAK reply: req 0x%02x (%s), reason 0x%02x (%s), nak data 0x%02x\n", txmsg->reply.req_type, drm_dp_mst_req_type_str(txmsg->reply.req_type), txmsg->reply.u.nak.reason, drm_dp_mst_nak_reason_str(txmsg->reply.u.nak.reason), txmsg->reply.u.nak.nak_data); + } - memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); + memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx)); drm_dp_mst_topology_put_mstb(mstb); mutex_lock(&mgr->qlock); txmsg->state = DRM_DP_SIDEBAND_TX_RX; - mstb->tx_slots[slot] = NULL; - mgr->is_waiting_for_dwn_reply = false; + mstb->tx_slots[seqno] = NULL; mutex_unlock(&mgr->qlock); wake_up_all(&mgr->tx_waitq); return 0; -no_msg: - drm_dp_mst_topology_put_mstb(mstb); -clear_down_rep_recv: - mutex_lock(&mgr->qlock); - mgr->is_waiting_for_dwn_reply = false; - mutex_unlock(&mgr->qlock); - memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx)); +out_clear_reply: + if (msg) + memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx)); +out: + if (mstb) + drm_dp_mst_topology_put_mstb(mstb); return 0; } @@ -3890,11 +3910,10 @@ static void drm_dp_mst_up_req_work(struct work_struct *work) static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) { - struct drm_dp_sideband_msg_hdr *hdr = &mgr->up_req_recv.initial_hdr; struct drm_dp_pending_up_req *up_req; - bool seqno; + int seqno; - if (!drm_dp_get_one_sb_msg(mgr, true)) + if (!drm_dp_get_one_sb_msg(mgr, true, NULL, &seqno)) goto out; if (!mgr->up_req_recv.have_eomt) @@ -3907,7 +3926,6 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) } INIT_LIST_HEAD(&up_req->next); - seqno = hdr->seqno; drm_dp_sideband_parse_req(&mgr->up_req_recv, &up_req->msg); if (up_req->msg.req_type != DP_CONNECTION_STATUS_NOTIFY && @@ -3941,7 +3959,7 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr) res_stat->available_pbn); } - up_req->hdr = *hdr; + up_req->hdr = mgr->up_req_recv.initial_hdr; mutex_lock(&mgr->up_req_lock); list_add_tail(&up_req->next, &mgr->up_req_list); mutex_unlock(&mgr->up_req_lock); @@ -4047,27 +4065,6 @@ out: EXPORT_SYMBOL(drm_dp_mst_detect_port); /** - * drm_dp_mst_port_has_audio() - Check whether port has audio capability or not - * @mgr: manager for this port - * @port: unverified pointer to a port. - * - * This returns whether the port supports audio or not. - */ -bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr, - struct drm_dp_mst_port *port) -{ - bool ret = false; - - port = drm_dp_mst_topology_get_port_validated(mgr, port); - if (!port) - return ret; - ret = port->has_audio; - drm_dp_mst_topology_put_port(port); - return ret; -} -EXPORT_SYMBOL(drm_dp_mst_port_has_audio); - -/** * drm_dp_mst_get_edid() - get EDID for an MST port * @connector: toplevel connector to get EDID for * @mgr: manager for this port @@ -4443,42 +4440,58 @@ fail: return ret; } +static int do_get_act_status(struct drm_dp_aux *aux) +{ + int ret; + u8 status; + + ret = drm_dp_dpcd_readb(aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status); + if (ret < 0) + return ret; + + return status; +} /** - * drm_dp_check_act_status() - Check ACT handled status. + * drm_dp_check_act_status() - Polls for ACT handled status. * @mgr: manager to use * - * Check the payload status bits in the DPCD for ACT handled completion. + * Tries waiting for the MST hub to finish updating it's payload table by + * polling for the ACT handled bit for up to 3 seconds (yes-some hubs really + * take that long). + * + * Returns: + * 0 if the ACT was handled in time, negative error code on failure. */ int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr) { - u8 status; - int ret; - int count = 0; - - do { - ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status); - - if (ret < 0) { - DRM_DEBUG_KMS("failed to read payload table status %d\n", ret); - goto fail; - } - - if (status & DP_PAYLOAD_ACT_HANDLED) - break; - count++; - udelay(100); - - } while (count < 30); - - if (!(status & DP_PAYLOAD_ACT_HANDLED)) { - DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n", status, count); - ret = -EINVAL; - goto fail; + /* + * There doesn't seem to be any recommended retry count or timeout in + * the MST specification. Since some hubs have been observed to take + * over 1 second to update their payload allocations under certain + * conditions, we use a rather large timeout value. + */ + const int timeout_ms = 3000; + int ret, status; + + ret = readx_poll_timeout(do_get_act_status, mgr->aux, status, + status & DP_PAYLOAD_ACT_HANDLED || status < 0, + 200, timeout_ms * USEC_PER_MSEC); + if (ret < 0 && status >= 0) { + DRM_ERROR("Failed to get ACT after %dms, last status: %02x\n", + timeout_ms, status); + return -EINVAL; + } else if (status < 0) { + /* + * Failure here isn't unexpected - the hub may have + * just been unplugged + */ + DRM_DEBUG_KMS("Failed to read payload table status: %d\n", + status); + return status; } + return 0; -fail: - return ret; } EXPORT_SYMBOL(drm_dp_check_act_status); @@ -4669,28 +4682,18 @@ static void drm_dp_tx_work(struct work_struct *work) struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, tx_work); mutex_lock(&mgr->qlock); - if (!list_empty(&mgr->tx_msg_downq) && !mgr->is_waiting_for_dwn_reply) + if (!list_empty(&mgr->tx_msg_downq)) process_single_down_tx_qlock(mgr); mutex_unlock(&mgr->qlock); } -static inline void drm_dp_destroy_connector(struct drm_dp_mst_port *port) +static inline void +drm_dp_delayed_destroy_port(struct drm_dp_mst_port *port) { - if (!port->connector) - return; - - if (port->mgr->cbs->destroy_connector) { - port->mgr->cbs->destroy_connector(port->mgr, port->connector); - } else { + if (port->connector) { drm_connector_unregister(port->connector); drm_connector_put(port->connector); } -} - -static inline void -drm_dp_delayed_destroy_port(struct drm_dp_mst_port *port) -{ - drm_dp_destroy_connector(port); drm_dp_port_set_pdt(port, DP_PEER_DEVICE_NONE, port->mcs); drm_dp_mst_put_port_malloc(port); diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 7b1a628d1f6e..c15c9b4540e1 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -39,6 +39,7 @@ #include <drm/drm_color_mgmt.h> #include <drm/drm_drv.h> #include <drm/drm_file.h> +#include <drm/drm_managed.h> #include <drm/drm_mode_object.h> #include <drm/drm_print.h> @@ -92,13 +93,27 @@ static struct drm_minor **drm_minor_get_slot(struct drm_device *dev, } } +static void drm_minor_alloc_release(struct drm_device *dev, void *data) +{ + struct drm_minor *minor = data; + unsigned long flags; + + WARN_ON(dev != minor->dev); + + put_device(minor->kdev); + + spin_lock_irqsave(&drm_minor_lock, flags); + idr_remove(&drm_minors_idr, minor->index); + spin_unlock_irqrestore(&drm_minor_lock, flags); +} + static int drm_minor_alloc(struct drm_device *dev, unsigned int type) { struct drm_minor *minor; unsigned long flags; int r; - minor = kzalloc(sizeof(*minor), GFP_KERNEL); + minor = drmm_kzalloc(dev, sizeof(*minor), GFP_KERNEL); if (!minor) return -ENOMEM; @@ -116,46 +131,20 @@ static int drm_minor_alloc(struct drm_device *dev, unsigned int type) idr_preload_end(); if (r < 0) - goto err_free; + return r; minor->index = r; + r = drmm_add_action_or_reset(dev, drm_minor_alloc_release, minor); + if (r) + return r; + minor->kdev = drm_sysfs_minor_alloc(minor); - if (IS_ERR(minor->kdev)) { - r = PTR_ERR(minor->kdev); - goto err_index; - } + if (IS_ERR(minor->kdev)) + return PTR_ERR(minor->kdev); *drm_minor_get_slot(dev, type) = minor; return 0; - -err_index: - spin_lock_irqsave(&drm_minor_lock, flags); - idr_remove(&drm_minors_idr, minor->index); - spin_unlock_irqrestore(&drm_minor_lock, flags); -err_free: - kfree(minor); - return r; -} - -static void drm_minor_free(struct drm_device *dev, unsigned int type) -{ - struct drm_minor **slot, *minor; - unsigned long flags; - - slot = drm_minor_get_slot(dev, type); - minor = *slot; - if (!minor) - return; - - put_device(minor->kdev); - - spin_lock_irqsave(&drm_minor_lock, flags); - idr_remove(&drm_minors_idr, minor->index); - spin_unlock_irqrestore(&drm_minor_lock, flags); - - kfree(minor); - *slot = NULL; } static int drm_minor_register(struct drm_device *dev, unsigned int type) @@ -270,17 +259,22 @@ void drm_minor_release(struct drm_minor *minor) * any other resources allocated at device initialization and drop the driver's * reference to &drm_device using drm_dev_put(). * - * Note that the lifetime rules for &drm_device instance has still a lot of - * historical baggage. Hence use the reference counting provided by - * drm_dev_get() and drm_dev_put() only carefully. + * Note that any allocation or resource which is visible to userspace must be + * released only when the final drm_dev_put() is called, and not when the + * driver is unbound from the underlying physical struct &device. Best to use + * &drm_device managed resources with drmm_add_action(), drmm_kmalloc() and + * related functions. + * + * devres managed resources like devm_kmalloc() can only be used for resources + * directly related to the underlying hardware device, and only used in code + * paths fully protected by drm_dev_enter() and drm_dev_exit(). * * Display driver example * ~~~~~~~~~~~~~~~~~~~~~~ * * The following example shows a typical structure of a DRM display driver. * The example focus on the probe() function and the other functions that is - * almost always present and serves as a demonstration of devm_drm_dev_init() - * usage with its accompanying drm_driver->release callback. + * almost always present and serves as a demonstration of devm_drm_dev_init(). * * .. code-block:: c * @@ -290,19 +284,8 @@ void drm_minor_release(struct drm_minor *minor) * struct clk *pclk; * }; * - * static void driver_drm_release(struct drm_device *drm) - * { - * struct driver_device *priv = container_of(...); - * - * drm_mode_config_cleanup(drm); - * drm_dev_fini(drm); - * kfree(priv->userspace_facing); - * kfree(priv); - * } - * * static struct drm_driver driver_drm_driver = { * [...] - * .release = driver_drm_release, * }; * * static int driver_probe(struct platform_device *pdev) @@ -322,13 +305,16 @@ void drm_minor_release(struct drm_minor *minor) * * ret = devm_drm_dev_init(&pdev->dev, drm, &driver_drm_driver); * if (ret) { - * kfree(drm); + * kfree(priv); * return ret; * } + * drmm_add_final_kfree(drm, priv); * - * drm_mode_config_init(drm); + * ret = drmm_mode_config_init(drm); + * if (ret) + * return ret; * - * priv->userspace_facing = kzalloc(..., GFP_KERNEL); + * priv->userspace_facing = drmm_kzalloc(..., GFP_KERNEL); * if (!priv->userspace_facing) * return -ENOMEM; * @@ -580,6 +566,23 @@ static void drm_fs_inode_free(struct inode *inode) * used. */ +static void drm_dev_init_release(struct drm_device *dev, void *res) +{ + drm_legacy_ctxbitmap_cleanup(dev); + drm_legacy_remove_map_hash(dev); + drm_fs_inode_free(dev->anon_inode); + + put_device(dev->dev); + /* Prevent use-after-free in drm_managed_release when debugging is + * enabled. Slightly awkward, but can't really be helped. */ + dev->dev = NULL; + mutex_destroy(&dev->master_mutex); + mutex_destroy(&dev->clientlist_mutex); + mutex_destroy(&dev->filelist_mutex); + mutex_destroy(&dev->struct_mutex); + drm_legacy_destroy_members(dev); +} + /** * drm_dev_init - Initialise new DRM device * @dev: DRM device @@ -608,6 +611,9 @@ static void drm_fs_inode_free(struct inode *inode) * arbitrary offset, you must supply a &drm_driver.release callback and control * the finalization explicitly. * + * Note that drivers must call drmm_add_final_kfree() after this function has + * completed successfully. + * * RETURNS: * 0 on success, or error code on failure. */ @@ -629,6 +635,9 @@ int drm_dev_init(struct drm_device *dev, dev->dev = get_device(parent); dev->driver = driver; + INIT_LIST_HEAD(&dev->managed.resources); + spin_lock_init(&dev->managed.lock); + /* no per-device feature limits by default */ dev->driver_features = ~0u; @@ -644,26 +653,30 @@ int drm_dev_init(struct drm_device *dev, mutex_init(&dev->clientlist_mutex); mutex_init(&dev->master_mutex); + ret = drmm_add_action(dev, drm_dev_init_release, NULL); + if (ret) + return ret; + dev->anon_inode = drm_fs_inode_new(); if (IS_ERR(dev->anon_inode)) { ret = PTR_ERR(dev->anon_inode); DRM_ERROR("Cannot allocate anonymous inode: %d\n", ret); - goto err_free; + goto err; } if (drm_core_check_feature(dev, DRIVER_RENDER)) { ret = drm_minor_alloc(dev, DRM_MINOR_RENDER); if (ret) - goto err_minors; + goto err; } ret = drm_minor_alloc(dev, DRM_MINOR_PRIMARY); if (ret) - goto err_minors; + goto err; ret = drm_legacy_create_map_hash(dev); if (ret) - goto err_minors; + goto err; drm_legacy_ctxbitmap_init(dev); @@ -671,33 +684,19 @@ int drm_dev_init(struct drm_device *dev, ret = drm_gem_init(dev); if (ret) { DRM_ERROR("Cannot initialize graphics execution manager (GEM)\n"); - goto err_ctxbitmap; + goto err; } } ret = drm_dev_set_unique(dev, dev_name(parent)); if (ret) - goto err_setunique; + goto err; return 0; -err_setunique: - if (drm_core_check_feature(dev, DRIVER_GEM)) - drm_gem_destroy(dev); -err_ctxbitmap: - drm_legacy_ctxbitmap_cleanup(dev); - drm_legacy_remove_map_hash(dev); -err_minors: - drm_minor_free(dev, DRM_MINOR_PRIMARY); - drm_minor_free(dev, DRM_MINOR_RENDER); - drm_fs_inode_free(dev->anon_inode); -err_free: - put_device(dev->dev); - mutex_destroy(&dev->master_mutex); - mutex_destroy(&dev->clientlist_mutex); - mutex_destroy(&dev->filelist_mutex); - mutex_destroy(&dev->struct_mutex); - drm_legacy_destroy_members(dev); +err: + drm_managed_release(dev); + return ret; } EXPORT_SYMBOL(drm_dev_init); @@ -714,8 +713,10 @@ static void devm_drm_dev_init_release(void *data) * @driver: DRM driver * * Managed drm_dev_init(). The DRM device initialized with this function is - * automatically put on driver detach using drm_dev_put(). You must supply a - * &drm_driver.release callback to control the finalization explicitly. + * automatically put on driver detach using drm_dev_put(). + * + * Note that drivers must call drmm_add_final_kfree() after this function has + * completed successfully. * * RETURNS: * 0 on success, or error code on failure. @@ -726,9 +727,6 @@ int devm_drm_dev_init(struct device *parent, { int ret; - if (WARN_ON(!driver->release)) - return -EINVAL; - ret = drm_dev_init(dev, driver, parent); if (ret) return ret; @@ -742,43 +740,6 @@ int devm_drm_dev_init(struct device *parent, EXPORT_SYMBOL(devm_drm_dev_init); /** - * drm_dev_fini - Finalize a dead DRM device - * @dev: DRM device - * - * Finalize a dead DRM device. This is the converse to drm_dev_init() and - * frees up all data allocated by it. All driver private data should be - * finalized first. Note that this function does not free the @dev, that is - * left to the caller. - * - * The ref-count of @dev must be zero, and drm_dev_fini() should only be called - * from a &drm_driver.release callback. - */ -void drm_dev_fini(struct drm_device *dev) -{ - drm_vblank_cleanup(dev); - - if (drm_core_check_feature(dev, DRIVER_GEM)) - drm_gem_destroy(dev); - - drm_legacy_ctxbitmap_cleanup(dev); - drm_legacy_remove_map_hash(dev); - drm_fs_inode_free(dev->anon_inode); - - drm_minor_free(dev, DRM_MINOR_PRIMARY); - drm_minor_free(dev, DRM_MINOR_RENDER); - - put_device(dev->dev); - - mutex_destroy(&dev->master_mutex); - mutex_destroy(&dev->clientlist_mutex); - mutex_destroy(&dev->filelist_mutex); - mutex_destroy(&dev->struct_mutex); - drm_legacy_destroy_members(dev); - kfree(dev->unique); -} -EXPORT_SYMBOL(drm_dev_fini); - -/** * drm_dev_alloc - Allocate new DRM device * @driver: DRM driver to allocate device for * @parent: Parent device object @@ -816,6 +777,8 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, return ERR_PTR(ret); } + drmm_add_final_kfree(dev, dev); + return dev; } EXPORT_SYMBOL(drm_dev_alloc); @@ -824,12 +787,13 @@ static void drm_dev_release(struct kref *ref) { struct drm_device *dev = container_of(ref, struct drm_device, ref); - if (dev->driver->release) { + if (dev->driver->release) dev->driver->release(dev); - } else { - drm_dev_fini(dev); - kfree(dev); - } + + drm_managed_release(dev); + + if (dev->managed.final_kfree) + kfree(dev->managed.final_kfree); } /** @@ -946,6 +910,11 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags) struct drm_driver *driver = dev->driver; int ret; + if (!driver->load) + drm_mode_config_validate(dev); + + WARN_ON(!dev->managed.final_kfree); + if (drm_dev_needs_global_mutex(dev)) mutex_lock(&drm_global_mutex); @@ -1046,8 +1015,8 @@ EXPORT_SYMBOL(drm_dev_unregister); */ int drm_dev_set_unique(struct drm_device *dev, const char *name) { - kfree(dev->unique); - dev->unique = kstrdup(name, GFP_KERNEL); + drmm_kfree(dev, dev->unique); + dev->unique = drmm_kstrdup(dev, name, GFP_KERNEL); return dev->unique ? 0 : -ENOMEM; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 116451101426..43b6ca364daa 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1583,8 +1583,6 @@ module_param_named(edid_fixup, edid_fixup, int, 0400); MODULE_PARM_DESC(edid_fixup, "Minimum number of valid EDID header bytes (0-8, default 6)"); -static void drm_get_displayid(struct drm_connector *connector, - struct edid *edid); static int validate_displayid(u8 *displayid, int length, int idx); static int drm_edid_block_checksum(const u8 *raw_edid) @@ -2018,18 +2016,13 @@ EXPORT_SYMBOL(drm_probe_ddc); struct edid *drm_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) { - struct edid *edid; - if (connector->force == DRM_FORCE_OFF) return NULL; if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter)) return NULL; - edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter); - if (edid) - drm_get_displayid(connector, edid); - return edid; + return drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter); } EXPORT_SYMBOL(drm_get_edid); @@ -3212,16 +3205,33 @@ static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id) } -static u8 *drm_find_displayid_extension(const struct edid *edid) +static u8 *drm_find_displayid_extension(const struct edid *edid, + int *length, int *idx) { - return drm_find_edid_extension(edid, DISPLAYID_EXT); + u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT); + struct displayid_hdr *base; + int ret; + + if (!displayid) + return NULL; + + /* EDID extensions block checksum isn't for us */ + *length = EDID_LENGTH - 1; + *idx = 1; + + ret = validate_displayid(displayid, *length, *idx); + if (ret) + return NULL; + + base = (struct displayid_hdr *)&displayid[*idx]; + *length = *idx + sizeof(*base) + base->bytes; + + return displayid; } static u8 *drm_find_cea_extension(const struct edid *edid) { - int ret; - int idx = 1; - int length = EDID_LENGTH; + int length, idx; struct displayid_block *block; u8 *cea; u8 *displayid; @@ -3232,14 +3242,10 @@ static u8 *drm_find_cea_extension(const struct edid *edid) return cea; /* CEA blocks can also be found embedded in a DisplayID block */ - displayid = drm_find_displayid_extension(edid); + displayid = drm_find_displayid_extension(edid, &length, &idx); if (!displayid) return NULL; - ret = validate_displayid(displayid, length, idx); - if (ret) - return NULL; - idx += sizeof(struct displayid_hdr); for_each_displayid_db(displayid, block, idx, length) { if (block->tag == DATA_BLOCK_CTA) { @@ -5084,7 +5090,7 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi static int validate_displayid(u8 *displayid, int length, int idx) { - int i; + int i, dispid_length; u8 csum = 0; struct displayid_hdr *base; @@ -5093,15 +5099,18 @@ static int validate_displayid(u8 *displayid, int length, int idx) DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n", base->rev, base->bytes, base->prod_id, base->ext_count); - if (base->bytes + 5 > length - idx) + /* +1 for DispID checksum */ + dispid_length = sizeof(*base) + base->bytes + 1; + if (dispid_length > length - idx) return -EINVAL; - for (i = idx; i <= base->bytes + 5; i++) { - csum += displayid[i]; - } + + for (i = 0; i < dispid_length; i++) + csum += displayid[idx + i]; if (csum) { DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum); return -EINVAL; } + return 0; } @@ -5180,20 +5189,14 @@ static int add_displayid_detailed_modes(struct drm_connector *connector, struct edid *edid) { u8 *displayid; - int ret; - int idx = 1; - int length = EDID_LENGTH; + int length, idx; struct displayid_block *block; int num_modes = 0; - displayid = drm_find_displayid_extension(edid); + displayid = drm_find_displayid_extension(edid, &length, &idx); if (!displayid) return 0; - ret = validate_displayid(displayid, length, idx); - if (ret) - return 0; - idx += sizeof(struct displayid_hdr); for_each_displayid_db(displayid, block, idx, length) { switch (block->tag) { @@ -5782,9 +5785,9 @@ drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode); static int drm_parse_tiled_block(struct drm_connector *connector, - struct displayid_block *block) + const struct displayid_block *block) { - struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block; + const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block; u16 w, h; u8 tile_v_loc, tile_h_loc; u8 num_v_tile, num_h_tile; @@ -5835,22 +5838,12 @@ static int drm_parse_tiled_block(struct drm_connector *connector, return 0; } -static int drm_parse_display_id(struct drm_connector *connector, - u8 *displayid, int length, - bool is_edid_extension) +static int drm_displayid_parse_tiled(struct drm_connector *connector, + const u8 *displayid, int length, int idx) { - /* if this is an EDID extension the first byte will be 0x70 */ - int idx = 0; - struct displayid_block *block; + const struct displayid_block *block; int ret; - if (is_edid_extension) - idx = 1; - - ret = validate_displayid(displayid, length, idx); - if (ret) - return ret; - idx += sizeof(struct displayid_hdr); for_each_displayid_db(displayid, block, idx, length) { DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n", @@ -5862,12 +5855,6 @@ static int drm_parse_display_id(struct drm_connector *connector, if (ret) return ret; break; - case DATA_BLOCK_TYPE_1_DETAILED_TIMING: - /* handled in mode gathering code. */ - break; - case DATA_BLOCK_CTA: - /* handled in the cea parser code. */ - break; default: DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag); break; @@ -5876,19 +5863,21 @@ static int drm_parse_display_id(struct drm_connector *connector, return 0; } -static void drm_get_displayid(struct drm_connector *connector, - struct edid *edid) +void drm_update_tile_info(struct drm_connector *connector, + const struct edid *edid) { - void *displayid = NULL; + const void *displayid = NULL; + int length, idx; int ret; + connector->has_tile = false; - displayid = drm_find_displayid_extension(edid); + displayid = drm_find_displayid_extension(edid, &length, &idx); if (!displayid) { /* drop reference to any tile group we had */ goto out_drop_ref; } - ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true); + ret = drm_displayid_parse_tiled(connector, displayid, length, idx); if (ret < 0) goto out_drop_ref; if (!connector->has_tile) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index a9771de4d17e..02fc24026872 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -514,6 +514,14 @@ struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper) if (ret) goto err_release; + /* + * TODO: We really should be smarter here and alloc an apperture + * for each IORESOURCE_MEM resource helper->dev->dev has and also + * init the ranges of the appertures based on the resources. + * Note some drivers currently count on there being only 1 empty + * aperture and fill this themselves, these will need to be dealt + * with somehow when fixing this. + */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; @@ -2162,6 +2170,8 @@ static const struct drm_client_funcs drm_fbdev_client_funcs = { * * This function sets up generic fbdev emulation for drivers that supports * dumb buffers with a virtual address and that can be mmap'ed. + * drm_fbdev_generic_setup() shall be called after the DRM driver registered + * the new DRM device with drm_dev_register(). * * Restore, hotplug events and teardown are all taken care of. Drivers that do * suspend/resume need to call drm_fb_helper_set_suspend_unlocked() themselves. @@ -2178,29 +2188,30 @@ static const struct drm_client_funcs drm_fbdev_client_funcs = { * Setup will be retried on the next hotplug event. * * The fbdev is destroyed by drm_dev_unregister(). - * - * Returns: - * Zero on success or negative error code on failure. */ -int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) +void drm_fbdev_generic_setup(struct drm_device *dev, + unsigned int preferred_bpp) { struct drm_fb_helper *fb_helper; int ret; - WARN(dev->fb_helper, "fb_helper is already set!\n"); + drm_WARN(dev, !dev->registered, "Device has not been registered.\n"); + drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n"); if (!drm_fbdev_emulation) - return 0; + return; fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); - if (!fb_helper) - return -ENOMEM; + if (!fb_helper) { + drm_err(dev, "Failed to allocate fb_helper\n"); + return; + } ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs); if (ret) { kfree(fb_helper); drm_err(dev, "Failed to register client: %d\n", ret); - return ret; + return; } if (!preferred_bpp) @@ -2214,8 +2225,6 @@ int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) drm_dbg_kms(dev, "client hotplug ret=%d\n", ret); drm_client_register(&fb_helper->client); - - return 0; } EXPORT_SYMBOL(drm_fbdev_generic_setup); diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 57ac94ce9b9e..0375b3d7f8d0 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -1207,10 +1207,10 @@ static const struct drm_info_list drm_framebuffer_debugfs_list[] = { { "framebuffer", drm_framebuffer_info, 0 }, }; -int drm_framebuffer_debugfs_init(struct drm_minor *minor) +void drm_framebuffer_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(drm_framebuffer_debugfs_list, - ARRAY_SIZE(drm_framebuffer_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(drm_framebuffer_debugfs_list, + ARRAY_SIZE(drm_framebuffer_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 37627d06fb06..7bf628e13023 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -44,6 +44,7 @@ #include <drm/drm_drv.h> #include <drm/drm_file.h> #include <drm/drm_gem.h> +#include <drm/drm_managed.h> #include <drm/drm_print.h> #include <drm/drm_vma_manager.h> @@ -77,6 +78,12 @@ * up at a later date, and as our interface with shmfs for memory allocation. */ +static void +drm_gem_init_release(struct drm_device *dev, void *ptr) +{ + drm_vma_offset_manager_destroy(dev->vma_offset_manager); +} + /** * drm_gem_init - Initialize the GEM device fields * @dev: drm_devic structure to initialize @@ -89,7 +96,8 @@ drm_gem_init(struct drm_device *dev) mutex_init(&dev->object_name_lock); idr_init_base(&dev->object_name_idr, 1); - vma_offset_manager = kzalloc(sizeof(*vma_offset_manager), GFP_KERNEL); + vma_offset_manager = drmm_kzalloc(dev, sizeof(*vma_offset_manager), + GFP_KERNEL); if (!vma_offset_manager) { DRM_ERROR("out of memory\n"); return -ENOMEM; @@ -100,16 +108,7 @@ drm_gem_init(struct drm_device *dev) DRM_FILE_PAGE_OFFSET_START, DRM_FILE_PAGE_OFFSET_SIZE); - return 0; -} - -void -drm_gem_destroy(struct drm_device *dev) -{ - - drm_vma_offset_manager_destroy(dev->vma_offset_manager); - kfree(dev->vma_offset_manager); - dev->vma_offset_manager = NULL; + return drmm_add_action(dev, drm_gem_init_release, NULL); } /** @@ -432,7 +431,7 @@ err_unref: * drm_gem_handle_create - create a gem handle for an object * @file_priv: drm file-private structure to register the handle for * @obj: object to register - * @handlep: pionter to return the created handle to the caller + * @handlep: pointer to return the created handle to the caller * * Create a handle for this object. This adds a handle reference to the object, * which includes a regular reference count. Callers will likely want to diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c index 3a7ace19a902..cac15294aef6 100644 --- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c +++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c @@ -21,6 +21,13 @@ #include <drm/drm_modeset_helper.h> #include <drm/drm_simple_kms_helper.h> +#define AFBC_HEADER_SIZE 16 +#define AFBC_TH_LAYOUT_ALIGNMENT 8 +#define AFBC_HDR_ALIGN 64 +#define AFBC_SUPERBLOCK_PIXELS 256 +#define AFBC_SUPERBLOCK_ALIGNMENT 128 +#define AFBC_TH_BODY_START_ALIGNMENT 4096 + /** * DOC: overview * @@ -54,19 +61,15 @@ struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb, } EXPORT_SYMBOL_GPL(drm_gem_fb_get_obj); -static struct drm_framebuffer * -drm_gem_fb_alloc(struct drm_device *dev, +static int +drm_gem_fb_init(struct drm_device *dev, + struct drm_framebuffer *fb, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **obj, unsigned int num_planes, const struct drm_framebuffer_funcs *funcs) { - struct drm_framebuffer *fb; int ret, i; - fb = kzalloc(sizeof(*fb), GFP_KERNEL); - if (!fb) - return ERR_PTR(-ENOMEM); - drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); for (i = 0; i < num_planes; i++) @@ -76,10 +79,9 @@ drm_gem_fb_alloc(struct drm_device *dev, if (ret) { drm_err(dev, "Failed to init framebuffer: %d\n", ret); kfree(fb); - return ERR_PTR(ret); } - return fb; + return ret; } /** @@ -123,10 +125,13 @@ int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file, EXPORT_SYMBOL(drm_gem_fb_create_handle); /** - * drm_gem_fb_create_with_funcs() - Helper function for the - * &drm_mode_config_funcs.fb_create - * callback + * drm_gem_fb_init_with_funcs() - Helper function for implementing + * &drm_mode_config_funcs.fb_create + * callback in cases when the driver + * allocates a subclass of + * struct drm_framebuffer * @dev: DRM device + * @fb: framebuffer object * @file: DRM file that holds the GEM handle(s) backing the framebuffer * @mode_cmd: Metadata from the userspace framebuffer creation request * @funcs: vtable to be used for the new framebuffer object @@ -134,23 +139,26 @@ EXPORT_SYMBOL(drm_gem_fb_create_handle); * This function can be used to set &drm_framebuffer_funcs for drivers that need * custom framebuffer callbacks. Use drm_gem_fb_create() if you don't need to * change &drm_framebuffer_funcs. The function does buffer size validation. + * The buffer size validation is for a general case, though, so users should + * pay attention to the checks being appropriate for them or, at least, + * non-conflicting. * * Returns: - * Pointer to a &drm_framebuffer on success or an error pointer on failure. + * Zero or a negative error code. */ -struct drm_framebuffer * -drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, - const struct drm_mode_fb_cmd2 *mode_cmd, - const struct drm_framebuffer_funcs *funcs) +int drm_gem_fb_init_with_funcs(struct drm_device *dev, + struct drm_framebuffer *fb, + struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd, + const struct drm_framebuffer_funcs *funcs) { const struct drm_format_info *info; struct drm_gem_object *objs[4]; - struct drm_framebuffer *fb; int ret, i; info = drm_get_format_info(dev, mode_cmd); if (!info) - return ERR_PTR(-EINVAL); + return -EINVAL; for (i = 0; i < info->num_planes; i++) { unsigned int width = mode_cmd->width / (i ? info->hsub : 1); @@ -175,19 +183,55 @@ drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, } } - fb = drm_gem_fb_alloc(dev, mode_cmd, objs, i, funcs); - if (IS_ERR(fb)) { - ret = PTR_ERR(fb); + ret = drm_gem_fb_init(dev, fb, mode_cmd, objs, i, funcs); + if (ret) goto err_gem_object_put; - } - return fb; + return 0; err_gem_object_put: for (i--; i >= 0; i--) drm_gem_object_put_unlocked(objs[i]); - return ERR_PTR(ret); + return ret; +} +EXPORT_SYMBOL_GPL(drm_gem_fb_init_with_funcs); + +/** + * drm_gem_fb_create_with_funcs() - Helper function for the + * &drm_mode_config_funcs.fb_create + * callback + * @dev: DRM device + * @file: DRM file that holds the GEM handle(s) backing the framebuffer + * @mode_cmd: Metadata from the userspace framebuffer creation request + * @funcs: vtable to be used for the new framebuffer object + * + * This function can be used to set &drm_framebuffer_funcs for drivers that need + * custom framebuffer callbacks. Use drm_gem_fb_create() if you don't need to + * change &drm_framebuffer_funcs. The function does buffer size validation. + * + * Returns: + * Pointer to a &drm_framebuffer on success or an error pointer on failure. + */ +struct drm_framebuffer * +drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd, + const struct drm_framebuffer_funcs *funcs) +{ + struct drm_framebuffer *fb; + int ret; + + fb = kzalloc(sizeof(*fb), GFP_KERNEL); + if (!fb) + return ERR_PTR(-ENOMEM); + + ret = drm_gem_fb_init_with_funcs(dev, fb, file, mode_cmd, funcs); + if (ret) { + kfree(fb); + return ERR_PTR(ret); + } + + return fb; } EXPORT_SYMBOL_GPL(drm_gem_fb_create_with_funcs); @@ -265,6 +309,132 @@ drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file, } EXPORT_SYMBOL_GPL(drm_gem_fb_create_with_dirty); +static __u32 drm_gem_afbc_get_bpp(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + const struct drm_format_info *info; + + info = drm_get_format_info(dev, mode_cmd); + + /* use whatever a driver has set */ + if (info->cpp[0]) + return info->cpp[0] * 8; + + /* guess otherwise */ + switch (info->format) { + case DRM_FORMAT_YUV420_8BIT: + return 12; + case DRM_FORMAT_YUV420_10BIT: + return 15; + case DRM_FORMAT_VUY101010: + return 30; + default: + break; + } + + /* all attempts failed */ + return 0; +} + +static int drm_gem_afbc_min_size(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_afbc_framebuffer *afbc_fb) +{ + __u32 n_blocks, w_alignment, h_alignment, hdr_alignment; + /* remove bpp when all users properly encode cpp in drm_format_info */ + __u32 bpp; + + switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) { + case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16: + afbc_fb->block_width = 16; + afbc_fb->block_height = 16; + break; + case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8: + afbc_fb->block_width = 32; + afbc_fb->block_height = 8; + break; + /* no user exists yet - fall through */ + case AFBC_FORMAT_MOD_BLOCK_SIZE_64x4: + case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8_64x4: + default: + drm_dbg_kms(dev, "Invalid AFBC_FORMAT_MOD_BLOCK_SIZE: %lld.\n", + mode_cmd->modifier[0] + & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK); + return -EINVAL; + } + + /* tiled header afbc */ + w_alignment = afbc_fb->block_width; + h_alignment = afbc_fb->block_height; + hdr_alignment = AFBC_HDR_ALIGN; + if (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_TILED) { + w_alignment *= AFBC_TH_LAYOUT_ALIGNMENT; + h_alignment *= AFBC_TH_LAYOUT_ALIGNMENT; + hdr_alignment = AFBC_TH_BODY_START_ALIGNMENT; + } + + afbc_fb->aligned_width = ALIGN(mode_cmd->width, w_alignment); + afbc_fb->aligned_height = ALIGN(mode_cmd->height, h_alignment); + afbc_fb->offset = mode_cmd->offsets[0]; + + bpp = drm_gem_afbc_get_bpp(dev, mode_cmd); + if (!bpp) { + drm_dbg_kms(dev, "Invalid AFBC bpp value: %d\n", bpp); + return -EINVAL; + } + + n_blocks = (afbc_fb->aligned_width * afbc_fb->aligned_height) + / AFBC_SUPERBLOCK_PIXELS; + afbc_fb->afbc_size = ALIGN(n_blocks * AFBC_HEADER_SIZE, hdr_alignment); + afbc_fb->afbc_size += n_blocks * ALIGN(bpp * AFBC_SUPERBLOCK_PIXELS / 8, + AFBC_SUPERBLOCK_ALIGNMENT); + + return 0; +} + +/** + * drm_gem_fb_afbc_init() - Helper function for drivers using afbc to + * fill and validate all the afbc-specific + * struct drm_afbc_framebuffer members + * + * @dev: DRM device + * @afbc_fb: afbc-specific framebuffer + * @mode_cmd: Metadata from the userspace framebuffer creation request + * @afbc_fb: afbc framebuffer + * + * This function can be used by drivers which support afbc to complete + * the preparation of struct drm_afbc_framebuffer. It must be called after + * allocating the said struct and calling drm_gem_fb_init_with_funcs(). + * It is caller's responsibility to put afbc_fb->base.obj objects in case + * the call is unsuccessful. + * + * Returns: + * Zero on success or a negative error value on failure. + */ +int drm_gem_fb_afbc_init(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_afbc_framebuffer *afbc_fb) +{ + const struct drm_format_info *info; + struct drm_gem_object **objs; + int ret; + + objs = afbc_fb->base.obj; + info = drm_get_format_info(dev, mode_cmd); + if (!info) + return -EINVAL; + + ret = drm_gem_afbc_min_size(dev, mode_cmd, afbc_fb); + if (ret < 0) + return ret; + + if (objs[0]->size < afbc_fb->afbc_size) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL_GPL(drm_gem_fb_afbc_init); + /** * drm_gem_fb_prepare_fb() - Prepare a GEM backed framebuffer * @plane: Plane diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 92a11bb42365..8b2d5c945c95 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -1,10 +1,13 @@ // SPDX-License-Identifier: GPL-2.0-or-later +#include <linux/module.h> + #include <drm/drm_debugfs.h> #include <drm/drm_device.h> #include <drm/drm_drv.h> #include <drm/drm_file.h> #include <drm/drm_framebuffer.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_gem_ttm_helper.h> #include <drm/drm_gem_vram_helper.h> #include <drm/drm_mode.h> @@ -18,13 +21,93 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs; /** * DOC: overview * - * This library provides a GEM buffer object that is backed by video RAM - * (VRAM). It can be used for framebuffer devices with dedicated memory. + * This library provides &struct drm_gem_vram_object (GEM VRAM), a GEM + * buffer object that is backed by video RAM (VRAM). It can be used for + * framebuffer devices with dedicated memory. * * The data structure &struct drm_vram_mm and its helpers implement a memory - * manager for simple framebuffer devices with dedicated video memory. Buffer - * objects are either placed in video RAM or evicted to system memory. The rsp. - * buffer object is provided by &struct drm_gem_vram_object. + * manager for simple framebuffer devices with dedicated video memory. GEM + * VRAM buffer objects are either placed in the video memory or remain evicted + * to system memory. + * + * With the GEM interface userspace applications create, manage and destroy + * graphics buffers, such as an on-screen framebuffer. GEM does not provide + * an implementation of these interfaces. It's up to the DRM driver to + * provide an implementation that suits the hardware. If the hardware device + * contains dedicated video memory, the DRM driver can use the VRAM helper + * library. Each active buffer object is stored in video RAM. Active + * buffer are used for drawing the current frame, typically something like + * the frame's scanout buffer or the cursor image. If there's no more space + * left in VRAM, inactive GEM objects can be moved to system memory. + * + * The easiest way to use the VRAM helper library is to call + * drm_vram_helper_alloc_mm(). The function allocates and initializes an + * instance of &struct drm_vram_mm in &struct drm_device.vram_mm . Use + * &DRM_GEM_VRAM_DRIVER to initialize &struct drm_driver and + * &DRM_VRAM_MM_FILE_OPERATIONS to initialize &struct file_operations; + * as illustrated below. + * + * .. code-block:: c + * + * struct file_operations fops ={ + * .owner = THIS_MODULE, + * DRM_VRAM_MM_FILE_OPERATION + * }; + * struct drm_driver drv = { + * .driver_feature = DRM_ ... , + * .fops = &fops, + * DRM_GEM_VRAM_DRIVER + * }; + * + * int init_drm_driver() + * { + * struct drm_device *dev; + * uint64_t vram_base; + * unsigned long vram_size; + * int ret; + * + * // setup device, vram base and size + * // ... + * + * ret = drm_vram_helper_alloc_mm(dev, vram_base, vram_size); + * if (ret) + * return ret; + * return 0; + * } + * + * This creates an instance of &struct drm_vram_mm, exports DRM userspace + * interfaces for GEM buffer management and initializes file operations to + * allow for accessing created GEM buffers. With this setup, the DRM driver + * manages an area of video RAM with VRAM MM and provides GEM VRAM objects + * to userspace. + * + * To clean up the VRAM memory management, call drm_vram_helper_release_mm() + * in the driver's clean-up code. + * + * .. code-block:: c + * + * void fini_drm_driver() + * { + * struct drm_device *dev = ...; + * + * drm_vram_helper_release_mm(dev); + * } + * + * For drawing or scanout operations, buffer object have to be pinned in video + * RAM. Call drm_gem_vram_pin() with &DRM_GEM_VRAM_PL_FLAG_VRAM or + * &DRM_GEM_VRAM_PL_FLAG_SYSTEM to pin a buffer object in video RAM or system + * memory. Call drm_gem_vram_unpin() to release the pinned object afterwards. + * + * A buffer object that is pinned in video RAM has a fixed address within that + * memory region. Call drm_gem_vram_offset() to retrieve this value. Typically + * it's used to program the hardware's scanout engine for framebuffers, set + * the cursor overlay's image for a mouse cursor, or use it as input to the + * hardware's draing engine. + * + * To access a buffer object's memory from the DRM driver, call + * drm_gem_vram_kmap(). It (optionally) maps the buffer into kernel address + * space and returns the memory address. Use drm_gem_vram_kunmap() to + * release the mapping. */ /* @@ -670,9 +753,9 @@ EXPORT_SYMBOL(drm_gem_vram_driver_dumb_mmap_offset); * @plane: a DRM plane * @new_state: the plane's new state * - * During plane updates, this function pins the GEM VRAM - * objects of the plane's new framebuffer to VRAM. Call - * drm_gem_vram_plane_helper_cleanup_fb() to unpin them. + * During plane updates, this function sets the plane's fence and + * pins the GEM VRAM objects of the plane's new framebuffer to VRAM. + * Call drm_gem_vram_plane_helper_cleanup_fb() to unpin them. * * Returns: * 0 on success, or @@ -698,6 +781,10 @@ drm_gem_vram_plane_helper_prepare_fb(struct drm_plane *plane, goto err_drm_gem_vram_unpin; } + ret = drm_gem_fb_prepare_fb(plane, new_state); + if (ret) + goto err_drm_gem_vram_unpin; + return 0; err_drm_gem_vram_unpin: @@ -1018,7 +1105,6 @@ static struct ttm_bo_driver bo_driver = { * struct drm_vram_mm */ -#if defined(CONFIG_DEBUG_FS) static int drm_vram_mm_debugfs(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; @@ -1035,27 +1121,18 @@ static int drm_vram_mm_debugfs(struct seq_file *m, void *data) static const struct drm_info_list drm_vram_mm_debugfs_list[] = { { "vram-mm", drm_vram_mm_debugfs, 0, NULL }, }; -#endif /** * drm_vram_mm_debugfs_init() - Register VRAM MM debugfs file. * * @minor: drm minor device. * - * Returns: - * 0 on success, or - * a negative error code otherwise. */ -int drm_vram_mm_debugfs_init(struct drm_minor *minor) +void drm_vram_mm_debugfs_init(struct drm_minor *minor) { - int ret = 0; - -#if defined(CONFIG_DEBUG_FS) - ret = drm_debugfs_create_files(drm_vram_mm_debugfs_list, - ARRAY_SIZE(drm_vram_mm_debugfs_list), - minor->debugfs_root, minor); -#endif - return ret; + drm_debugfs_create_files(drm_vram_mm_debugfs_list, + ARRAY_SIZE(drm_vram_mm_debugfs_list), + minor->debugfs_root, minor); } EXPORT_SYMBOL(drm_vram_mm_debugfs_init); @@ -1202,3 +1279,6 @@ drm_vram_helper_mode_valid(struct drm_device *dev, return drm_vram_helper_mode_valid_internal(dev, mode, max_bpp); } EXPORT_SYMBOL(drm_vram_helper_mode_valid); + +MODULE_DESCRIPTION("DRM VRAM memory-management helpers"); +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index 5714a78365ac..2470a352730b 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -89,9 +89,11 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr struct drm_minor *drm_minor_acquire(unsigned int minor_id); void drm_minor_release(struct drm_minor *minor); +/* drm_managed.c */ +void drm_managed_release(struct drm_device *dev); + /* drm_vblank.c */ void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe); -void drm_vblank_cleanup(struct drm_device *dev); /* IOCTLS */ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data, @@ -141,7 +143,6 @@ void drm_sysfs_lease_event(struct drm_device *dev); /* drm_gem.c */ struct drm_gem_object; int drm_gem_init(struct drm_device *dev); -void drm_gem_destroy(struct drm_device *dev); int drm_gem_handle_create_tail(struct drm_file *file_priv, struct drm_gem_object *obj, u32 *handlep); @@ -235,4 +236,4 @@ int drm_syncobj_query_ioctl(struct drm_device *dev, void *data, /* drm_framebuffer.c */ void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent, const struct drm_framebuffer *fb); -int drm_framebuffer_debugfs_init(struct drm_minor *minor); +void drm_framebuffer_debugfs_init(struct drm_minor *minor); diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 9e41972c4bbc..73e31dd4e442 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -599,8 +599,8 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_legacy_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_legacy_getsareactx, DRM_AUTH), - DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY), - DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, 0), + DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, 0), DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_legacy_addctx, DRM_AUTH|DRM_ROOT_ONLY), DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_legacy_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c new file mode 100644 index 000000000000..9cebfe370a65 --- /dev/null +++ b/drivers/gpu/drm/drm_managed.c @@ -0,0 +1,275 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Intel + * + * Based on drivers/base/devres.c + */ + +#include <drm/drm_managed.h> + +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +#include <drm/drm_device.h> +#include <drm/drm_print.h> + +/** + * DOC: managed resources + * + * Inspired by struct &device managed resources, but tied to the lifetime of + * struct &drm_device, which can outlive the underlying physical device, usually + * when userspace has some open files and other handles to resources still open. + * + * Release actions can be added with drmm_add_action(), memory allocations can + * be done directly with drmm_kmalloc() and the related functions. Everything + * will be released on the final drm_dev_put() in reverse order of how the + * release actions have been added and memory has been allocated since driver + * loading started with drm_dev_init(). + * + * Note that release actions and managed memory can also be added and removed + * during the lifetime of the driver, all the functions are fully concurrent + * safe. But it is recommended to use managed resources only for resources that + * change rarely, if ever, during the lifetime of the &drm_device instance. + */ + +struct drmres_node { + struct list_head entry; + drmres_release_t release; + const char *name; + size_t size; +}; + +struct drmres { + struct drmres_node node; + /* + * Some archs want to perform DMA into kmalloc caches + * and need a guaranteed alignment larger than + * the alignment of a 64-bit integer. + * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same + * buffer alignment as if it was allocated by plain kmalloc(). + */ + u8 __aligned(ARCH_KMALLOC_MINALIGN) data[]; +}; + +static void free_dr(struct drmres *dr) +{ + kfree_const(dr->node.name); + kfree(dr); +} + +void drm_managed_release(struct drm_device *dev) +{ + struct drmres *dr, *tmp; + + drm_dbg_drmres(dev, "drmres release begin\n"); + list_for_each_entry_safe(dr, tmp, &dev->managed.resources, node.entry) { + drm_dbg_drmres(dev, "REL %p %s (%zu bytes)\n", + dr, dr->node.name, dr->node.size); + + if (dr->node.release) + dr->node.release(dev, dr->node.size ? *(void **)&dr->data : NULL); + + list_del(&dr->node.entry); + free_dr(dr); + } + drm_dbg_drmres(dev, "drmres release end\n"); +} + +/* + * Always inline so that kmalloc_track_caller tracks the actual interesting + * caller outside of drm_managed.c. + */ +static __always_inline struct drmres * alloc_dr(drmres_release_t release, + size_t size, gfp_t gfp, int nid) +{ + size_t tot_size; + struct drmres *dr; + + /* We must catch any near-SIZE_MAX cases that could overflow. */ + if (unlikely(check_add_overflow(sizeof(*dr), size, &tot_size))) + return NULL; + + dr = kmalloc_node_track_caller(tot_size, gfp, nid); + if (unlikely(!dr)) + return NULL; + + memset(dr, 0, offsetof(struct drmres, data)); + + INIT_LIST_HEAD(&dr->node.entry); + dr->node.release = release; + dr->node.size = size; + + return dr; +} + +static void del_dr(struct drm_device *dev, struct drmres *dr) +{ + list_del_init(&dr->node.entry); + + drm_dbg_drmres(dev, "DEL %p %s (%lu bytes)\n", + dr, dr->node.name, (unsigned long) dr->node.size); +} + +static void add_dr(struct drm_device *dev, struct drmres *dr) +{ + unsigned long flags; + + spin_lock_irqsave(&dev->managed.lock, flags); + list_add(&dr->node.entry, &dev->managed.resources); + spin_unlock_irqrestore(&dev->managed.lock, flags); + + drm_dbg_drmres(dev, "ADD %p %s (%lu bytes)\n", + dr, dr->node.name, (unsigned long) dr->node.size); +} + +/** + * drmm_add_final_kfree - add release action for the final kfree() + * @dev: DRM device + * @container: pointer to the kmalloc allocation containing @dev + * + * Since the allocation containing the struct &drm_device must be allocated + * before it can be initialized with drm_dev_init() there's no way to allocate + * that memory with drmm_kmalloc(). To side-step this chicken-egg problem the + * pointer for this final kfree() must be specified by calling this function. It + * will be released in the final drm_dev_put() for @dev, after all other release + * actions installed through drmm_add_action() have been processed. + */ +void drmm_add_final_kfree(struct drm_device *dev, void *container) +{ + WARN_ON(dev->managed.final_kfree); + WARN_ON(dev < (struct drm_device *) container); + WARN_ON(dev + 1 > (struct drm_device *) (container + ksize(container))); + dev->managed.final_kfree = container; +} +EXPORT_SYMBOL(drmm_add_final_kfree); + +int __drmm_add_action(struct drm_device *dev, + drmres_release_t action, + void *data, const char *name) +{ + struct drmres *dr; + void **void_ptr; + + dr = alloc_dr(action, data ? sizeof(void*) : 0, + GFP_KERNEL | __GFP_ZERO, + dev_to_node(dev->dev)); + if (!dr) { + drm_dbg_drmres(dev, "failed to add action %s for %p\n", + name, data); + return -ENOMEM; + } + + dr->node.name = kstrdup_const(name, GFP_KERNEL); + if (data) { + void_ptr = (void **)&dr->data; + *void_ptr = data; + } + + add_dr(dev, dr); + + return 0; +} +EXPORT_SYMBOL(__drmm_add_action); + +int __drmm_add_action_or_reset(struct drm_device *dev, + drmres_release_t action, + void *data, const char *name) +{ + int ret; + + ret = __drmm_add_action(dev, action, data, name); + if (ret) + action(dev, data); + + return ret; +} +EXPORT_SYMBOL(__drmm_add_action_or_reset); + +/** + * drmm_kmalloc - &drm_device managed kmalloc() + * @dev: DRM device + * @size: size of the memory allocation + * @gfp: GFP allocation flags + * + * This is a &drm_device managed version of kmalloc(). The allocated memory is + * automatically freed on the final drm_dev_put(). Memory can also be freed + * before the final drm_dev_put() by calling drmm_kfree(). + */ +void *drmm_kmalloc(struct drm_device *dev, size_t size, gfp_t gfp) +{ + struct drmres *dr; + + dr = alloc_dr(NULL, size, gfp, dev_to_node(dev->dev)); + if (!dr) { + drm_dbg_drmres(dev, "failed to allocate %zu bytes, %u flags\n", + size, gfp); + return NULL; + } + dr->node.name = kstrdup_const("kmalloc", GFP_KERNEL); + + add_dr(dev, dr); + + return dr->data; +} +EXPORT_SYMBOL(drmm_kmalloc); + +/** + * drmm_kstrdup - &drm_device managed kstrdup() + * @dev: DRM device + * @s: 0-terminated string to be duplicated + * @gfp: GFP allocation flags + * + * This is a &drm_device managed version of kstrdup(). The allocated memory is + * automatically freed on the final drm_dev_put() and works exactly like a + * memory allocation obtained by drmm_kmalloc(). + */ +char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp) +{ + size_t size; + char *buf; + + if (!s) + return NULL; + + size = strlen(s) + 1; + buf = drmm_kmalloc(dev, size, gfp); + if (buf) + memcpy(buf, s, size); + return buf; +} +EXPORT_SYMBOL_GPL(drmm_kstrdup); + +/** + * drmm_kfree - &drm_device managed kfree() + * @dev: DRM device + * @data: memory allocation to be freed + * + * This is a &drm_device managed version of kfree() which can be used to + * release memory allocated through drmm_kmalloc() or any of its related + * functions before the final drm_dev_put() of @dev. + */ +void drmm_kfree(struct drm_device *dev, void *data) +{ + struct drmres *dr_match = NULL, *dr; + unsigned long flags; + + if (!data) + return; + + spin_lock_irqsave(&dev->managed.lock, flags); + list_for_each_entry(dr, &dev->managed.resources, node.entry) { + if (dr->data == data) { + dr_match = dr; + del_dr(dev, dr_match); + break; + } + } + spin_unlock_irqrestore(&dev->managed.lock, flags); + + if (WARN_ON(!dr_match)) + return; + + free_dr(dr_match); +} +EXPORT_SYMBOL(drmm_kfree); diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index 558baf989f5a..bb27c82757f1 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -169,7 +169,8 @@ int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) EXPORT_SYMBOL(mipi_dbi_command_buf); /* This should only be used by mipi_dbi_command() */ -int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len) +int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data, + size_t len) { u8 *buf; int ret; @@ -510,6 +511,10 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev, if (!dbidev->dbi.command) return -EINVAL; + ret = drmm_mode_config_init(drm); + if (ret) + return ret; + dbidev->tx_buf = devm_kmalloc(drm->dev, tx_buf_size, GFP_KERNEL); if (!dbidev->tx_buf) return -ENOMEM; @@ -579,26 +584,6 @@ int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, EXPORT_SYMBOL(mipi_dbi_dev_init); /** - * mipi_dbi_release - DRM driver release helper - * @drm: DRM device - * - * This function finalizes and frees &mipi_dbi. - * - * Drivers can use this as their &drm_driver->release callback. - */ -void mipi_dbi_release(struct drm_device *drm) -{ - struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(drm); - - DRM_DEBUG_DRIVER("\n"); - - drm_mode_config_cleanup(drm); - drm_dev_fini(drm); - kfree(dbidev); -} -EXPORT_SYMBOL(mipi_dbi_release); - -/** * mipi_dbi_hw_reset - Hardware reset of controller * @dbi: MIPI DBI structure * @@ -1308,10 +1293,8 @@ static const struct file_operations mipi_dbi_debugfs_command_fops = { * controller or getting the read command values. * Drivers can use this as their &drm_driver->debugfs_init callback. * - * Returns: - * Zero on success, negative error code on failure. */ -int mipi_dbi_debugfs_init(struct drm_minor *minor) +void mipi_dbi_debugfs_init(struct drm_minor *minor) { struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(minor->dev); umode_t mode = S_IFREG | S_IWUSR; @@ -1320,8 +1303,6 @@ int mipi_dbi_debugfs_init(struct drm_minor *minor) mode |= S_IRUGO; debugfs_create_file("command", mode, minor->debugfs_root, dbidev, &mipi_dbi_debugfs_command_fops); - - return 0; } EXPORT_SYMBOL(mipi_dbi_debugfs_init); diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index 08e6eff6a179..5761f838a057 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -25,6 +25,7 @@ #include <drm/drm_drv.h> #include <drm/drm_encoder.h> #include <drm/drm_file.h> +#include <drm/drm_managed.h> #include <drm/drm_mode_config.h> #include <drm/drm_print.h> #include <linux/dma-resv.h> @@ -373,8 +374,14 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) return 0; } +static void drm_mode_config_init_release(struct drm_device *dev, void *ptr) +{ + drm_mode_config_cleanup(dev); +} + /** - * drm_mode_config_init - initialize DRM mode_configuration structure + * drmm_mode_config_init - managed DRM mode_configuration structure + * initialization * @dev: DRM device * * Initialize @dev's mode_config structure, used for tracking the graphics @@ -384,8 +391,12 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) * problem, since this should happen single threaded at init time. It is the * driver's problem to ensure this guarantee. * + * Cleanup is automatically handled through registering drm_mode_config_cleanup + * with drmm_add_action(). + * + * Returns: 0 on success, negative error value on failure. */ -void drm_mode_config_init(struct drm_device *dev) +int drmm_mode_config_init(struct drm_device *dev) { mutex_init(&dev->mode_config.mutex); drm_modeset_lock_init(&dev->mode_config.connection_mutex); @@ -443,8 +454,11 @@ void drm_mode_config_init(struct drm_device *dev) drm_modeset_acquire_fini(&modeset_ctx); dma_resv_fini(&resv); } + + return drmm_add_action_or_reset(dev, drm_mode_config_init_release, + NULL); } -EXPORT_SYMBOL(drm_mode_config_init); +EXPORT_SYMBOL(drmm_mode_config_init); /** * drm_mode_config_cleanup - free up DRM mode_config info @@ -456,6 +470,9 @@ EXPORT_SYMBOL(drm_mode_config_init); * Note that since this /should/ happen single-threaded at driver/device * teardown time, no locking is required. It's the driver's job to ensure that * this guarantee actually holds true. + * + * FIXME: With the managed drmm_mode_config_init() it is no longer necessary for + * drivers to explicitly call this function. */ void drm_mode_config_cleanup(struct drm_device *dev) { @@ -532,3 +549,90 @@ void drm_mode_config_cleanup(struct drm_device *dev) drm_modeset_lock_fini(&dev->mode_config.connection_mutex); } EXPORT_SYMBOL(drm_mode_config_cleanup); + +static u32 full_encoder_mask(struct drm_device *dev) +{ + struct drm_encoder *encoder; + u32 encoder_mask = 0; + + drm_for_each_encoder(encoder, dev) + encoder_mask |= drm_encoder_mask(encoder); + + return encoder_mask; +} + +/* + * For some reason we want the encoder itself included in + * possible_clones. Make life easy for drivers by allowing them + * to leave possible_clones unset if no cloning is possible. + */ +static void fixup_encoder_possible_clones(struct drm_encoder *encoder) +{ + if (encoder->possible_clones == 0) + encoder->possible_clones = drm_encoder_mask(encoder); +} + +static void validate_encoder_possible_clones(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + u32 encoder_mask = full_encoder_mask(dev); + struct drm_encoder *other; + + drm_for_each_encoder(other, dev) { + WARN(!!(encoder->possible_clones & drm_encoder_mask(other)) != + !!(other->possible_clones & drm_encoder_mask(encoder)), + "possible_clones mismatch: " + "[ENCODER:%d:%s] mask=0x%x possible_clones=0x%x vs. " + "[ENCODER:%d:%s] mask=0x%x possible_clones=0x%x\n", + encoder->base.id, encoder->name, + drm_encoder_mask(encoder), encoder->possible_clones, + other->base.id, other->name, + drm_encoder_mask(other), other->possible_clones); + } + + WARN((encoder->possible_clones & drm_encoder_mask(encoder)) == 0 || + (encoder->possible_clones & ~encoder_mask) != 0, + "Bogus possible_clones: " + "[ENCODER:%d:%s] possible_clones=0x%x (full encoder mask=0x%x)\n", + encoder->base.id, encoder->name, + encoder->possible_clones, encoder_mask); +} + +static u32 full_crtc_mask(struct drm_device *dev) +{ + struct drm_crtc *crtc; + u32 crtc_mask = 0; + + drm_for_each_crtc(crtc, dev) + crtc_mask |= drm_crtc_mask(crtc); + + return crtc_mask; +} + +static void validate_encoder_possible_crtcs(struct drm_encoder *encoder) +{ + u32 crtc_mask = full_crtc_mask(encoder->dev); + + WARN((encoder->possible_crtcs & crtc_mask) == 0 || + (encoder->possible_crtcs & ~crtc_mask) != 0, + "Bogus possible_crtcs: " + "[ENCODER:%d:%s] possible_crtcs=0x%x (full crtc mask=0x%x)\n", + encoder->base.id, encoder->name, + encoder->possible_crtcs, crtc_mask); +} + +void drm_mode_config_validate(struct drm_device *dev) +{ + struct drm_encoder *encoder; + + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return; + + drm_for_each_encoder(encoder, dev) + fixup_encoder_possible_clones(encoder); + + drm_for_each_encoder(encoder, dev) { + validate_encoder_possible_clones(encoder); + validate_encoder_possible_crtcs(encoder); + } +} diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index 81aa21561982..75e2b7053f35 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -30,12 +30,13 @@ #include <drm/drm.h> #include <drm/drm_agpsupport.h> #include <drm/drm_drv.h> -#include <drm/drm_pci.h> #include <drm/drm_print.h> #include "drm_internal.h" #include "drm_legacy.h" +#ifdef CONFIG_DRM_LEGACY + /** * drm_pci_alloc - Allocate a PCI consistent memory block, for DMA. * @dev: DRM device @@ -93,6 +94,7 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah) } EXPORT_SYMBOL(drm_pci_free); +#endif static int drm_get_pci_domain(struct drm_device *dev) { diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c index da7b0b0c1090..758bf74e1cab 100644 --- a/drivers/gpu/drm/drm_vblank.c +++ b/drivers/gpu/drm/drm_vblank.c @@ -30,6 +30,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_drv.h> #include <drm/drm_framebuffer.h> +#include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_print.h> #include <drm/drm_vblank.h> @@ -40,6 +41,69 @@ /** * DOC: vblank handling * + * From the computer's perspective, every time the monitor displays + * a new frame the scanout engine has "scanned out" the display image + * from top to bottom, one row of pixels at a time. The current row + * of pixels is referred to as the current scanline. + * + * In addition to the display's visible area, there's usually a couple of + * extra scanlines which aren't actually displayed on the screen. + * These extra scanlines don't contain image data and are occasionally used + * for features like audio and infoframes. The region made up of these + * scanlines is referred to as the vertical blanking region, or vblank for + * short. + * + * For historical reference, the vertical blanking period was designed to + * give the electron gun (on CRTs) enough time to move back to the top of + * the screen to start scanning out the next frame. Similar for horizontal + * blanking periods. They were designed to give the electron gun enough + * time to move back to the other side of the screen to start scanning the + * next scanline. + * + * :: + * + * + * physical → ⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽ + * top of | | + * display | | + * | New frame | + * | | + * |↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓| + * |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| ← Scanline, + * |↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓| updates the + * | | frame as it + * | | travels down + * | | ("sacn out") + * | Old frame | + * | | + * | | + * | | + * | | physical + * | | bottom of + * vertical |⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽| ← display + * blanking ┆xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx┆ + * region → ┆xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx┆ + * ┆xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx┆ + * start of → ⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽ + * new frame + * + * "Physical top of display" is the reference point for the high-precision/ + * corrected timestamp. + * + * On a lot of display hardware, programming needs to take effect during the + * vertical blanking period so that settings like gamma, the image buffer + * buffer to be scanned out, etc. can safely be changed without showing + * any visual artifacts on the screen. In some unforgiving hardware, some of + * this programming has to both start and end in the same vblank. To help + * with the timing of the hardware programming, an interrupt is usually + * available to notify the driver when it can start the updating of registers. + * The interrupt is in this context named the vblank interrupt. + * + * The vblank interrupt may be fired at different points depending on the + * hardware. Some hardware implementations will fire the interrupt when the + * new frame start, other implementations will fire the interrupt at different + * points in time. + * * Vertical blanking plays a major role in graphics rendering. To achieve * tear-free display, users must synchronize page flips and/or rendering to * vertical blanking. The DRM API offers ioctls to perform page flips @@ -425,14 +489,10 @@ static void vblank_disable_fn(struct timer_list *t) spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } -void drm_vblank_cleanup(struct drm_device *dev) +static void drm_vblank_init_release(struct drm_device *dev, void *ptr) { unsigned int pipe; - /* Bail if the driver didn't call drm_vblank_init() */ - if (dev->num_crtcs == 0) - return; - for (pipe = 0; pipe < dev->num_crtcs; pipe++) { struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; @@ -441,10 +501,6 @@ void drm_vblank_cleanup(struct drm_device *dev) del_timer_sync(&vblank->disable_timer); } - - kfree(dev->vblank); - - dev->num_crtcs = 0; } /** @@ -453,25 +509,29 @@ void drm_vblank_cleanup(struct drm_device *dev) * @num_crtcs: number of CRTCs supported by @dev * * This function initializes vblank support for @num_crtcs display pipelines. - * Cleanup is handled by the DRM core, or through calling drm_dev_fini() for - * drivers with a &drm_driver.release callback. + * Cleanup is handled automatically through a cleanup function added with + * drmm_add_action(). * * Returns: * Zero on success or a negative error code on failure. */ int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs) { - int ret = -ENOMEM; + int ret; unsigned int i; spin_lock_init(&dev->vbl_lock); spin_lock_init(&dev->vblank_time_lock); + dev->vblank = drmm_kcalloc(dev, num_crtcs, sizeof(*dev->vblank), GFP_KERNEL); + if (!dev->vblank) + return -ENOMEM; + dev->num_crtcs = num_crtcs; - dev->vblank = kcalloc(num_crtcs, sizeof(*dev->vblank), GFP_KERNEL); - if (!dev->vblank) - goto err; + ret = drmm_add_action(dev, drm_vblank_init_release, NULL); + if (ret) + return ret; for (i = 0; i < num_crtcs; i++) { struct drm_vblank_crtc *vblank = &dev->vblank[i]; @@ -486,10 +546,6 @@ int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs) DRM_INFO("Supports vblank timestamp caching Rev 2 (21.10.2013).\n"); return 0; - -err: - dev->num_crtcs = 0; - return ret; } EXPORT_SYMBOL(drm_vblank_init); diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index aa88911bbc06..56197ae0b2f9 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -595,8 +595,8 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) vma->vm_ops = &drm_vm_ops; break; } + fallthrough; /* to _DRM_FRAME_BUFFER... */ #endif - /* fall through - to _DRM_FRAME_BUFFER... */ case _DRM_FRAME_BUFFER: case _DRM_REGISTERS: offset = drm_core_get_reg_ofs(dev); @@ -621,7 +621,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) vma->vm_end - vma->vm_start, vma->vm_page_prot)) return -EAGAIN; vma->vm_page_prot = drm_dma_prot(map->type, vma); - /* fall through - to _DRM_SHM */ + fallthrough; /* to _DRM_SHM */ case _DRM_SHM: vma->vm_ops = &drm_vm_shm_ops; vma->vm_private_data = (void *)map; diff --git a/drivers/gpu/drm/drm_vram_helper_common.c b/drivers/gpu/drm/drm_vram_helper_common.c deleted file mode 100644 index 2000d9b33fd5..000000000000 --- a/drivers/gpu/drm/drm_vram_helper_common.c +++ /dev/null @@ -1,94 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <linux/module.h> - -/** - * DOC: overview - * - * This library provides &struct drm_gem_vram_object (GEM VRAM), a GEM - * buffer object that is backed by video RAM. It can be used for - * framebuffer devices with dedicated memory. The video RAM is managed - * by &struct drm_vram_mm (VRAM MM). - * - * With the GEM interface userspace applications create, manage and destroy - * graphics buffers, such as an on-screen framebuffer. GEM does not provide - * an implementation of these interfaces. It's up to the DRM driver to - * provide an implementation that suits the hardware. If the hardware device - * contains dedicated video memory, the DRM driver can use the VRAM helper - * library. Each active buffer object is stored in video RAM. Active - * buffer are used for drawing the current frame, typically something like - * the frame's scanout buffer or the cursor image. If there's no more space - * left in VRAM, inactive GEM objects can be moved to system memory. - * - * The easiest way to use the VRAM helper library is to call - * drm_vram_helper_alloc_mm(). The function allocates and initializes an - * instance of &struct drm_vram_mm in &struct drm_device.vram_mm . Use - * &DRM_GEM_VRAM_DRIVER to initialize &struct drm_driver and - * &DRM_VRAM_MM_FILE_OPERATIONS to initialize &struct file_operations; - * as illustrated below. - * - * .. code-block:: c - * - * struct file_operations fops ={ - * .owner = THIS_MODULE, - * DRM_VRAM_MM_FILE_OPERATION - * }; - * struct drm_driver drv = { - * .driver_feature = DRM_ ... , - * .fops = &fops, - * DRM_GEM_VRAM_DRIVER - * }; - * - * int init_drm_driver() - * { - * struct drm_device *dev; - * uint64_t vram_base; - * unsigned long vram_size; - * int ret; - * - * // setup device, vram base and size - * // ... - * - * ret = drm_vram_helper_alloc_mm(dev, vram_base, vram_size); - * if (ret) - * return ret; - * return 0; - * } - * - * This creates an instance of &struct drm_vram_mm, exports DRM userspace - * interfaces for GEM buffer management and initializes file operations to - * allow for accessing created GEM buffers. With this setup, the DRM driver - * manages an area of video RAM with VRAM MM and provides GEM VRAM objects - * to userspace. - * - * To clean up the VRAM memory management, call drm_vram_helper_release_mm() - * in the driver's clean-up code. - * - * .. code-block:: c - * - * void fini_drm_driver() - * { - * struct drm_device *dev = ...; - * - * drm_vram_helper_release_mm(dev); - * } - * - * For drawing or scanout operations, buffer object have to be pinned in video - * RAM. Call drm_gem_vram_pin() with &DRM_GEM_VRAM_PL_FLAG_VRAM or - * &DRM_GEM_VRAM_PL_FLAG_SYSTEM to pin a buffer object in video RAM or system - * memory. Call drm_gem_vram_unpin() to release the pinned object afterwards. - * - * A buffer object that is pinned in video RAM has a fixed address within that - * memory region. Call drm_gem_vram_offset() to retrieve this value. Typically - * it's used to program the hardware's scanout engine for framebuffers, set - * the cursor overlay's image for a mouse cursor, or use it as input to the - * hardware's draing engine. - * - * To access a buffer object's memory from the DRM driver, call - * drm_gem_vram_kmap(). It (optionally) maps the buffer into kernel address - * space and returns the memory address. Use drm_gem_vram_kunmap() to - * release the mapping. - */ - -MODULE_DESCRIPTION("DRM VRAM memory-management helpers"); -MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index a8685b2e1803..27c948f5dfeb 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -231,21 +231,11 @@ static struct drm_info_list etnaviv_debugfs_list[] = { {"ring", show_each_gpu, 0, etnaviv_ring_show}, }; -static int etnaviv_debugfs_init(struct drm_minor *minor) +static void etnaviv_debugfs_init(struct drm_minor *minor) { - struct drm_device *dev = minor->dev; - int ret; - - ret = drm_debugfs_create_files(etnaviv_debugfs_list, - ARRAY_SIZE(etnaviv_debugfs_list), - minor->debugfs_root, minor); - - if (ret) { - dev_err(dev->dev, "could not install etnaviv_debugfs_list\n"); - return ret; - } - - return ret; + drm_debugfs_create_files(etnaviv_debugfs_list, + ARRAY_SIZE(etnaviv_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c index 5ee090691390..9ac51b6ab34b 100644 --- a/drivers/gpu/drm/exynos/exynos_dp.c +++ b/drivers/gpu/drm/exynos/exynos_dp.c @@ -25,6 +25,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <drm/exynos_drm.h> #include "exynos_drm_crtc.h" @@ -135,10 +136,6 @@ static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = { .disable = exynos_dp_nop, }; -static const struct drm_encoder_funcs exynos_dp_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp) { int ret; @@ -167,8 +164,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data) return ret; } - drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 43fa0f26c052..7ba5354e7d94 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -14,6 +14,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <video/of_videomode.h> #include <video/videomode.h> @@ -149,10 +150,6 @@ static const struct drm_encoder_helper_funcs exynos_dpi_encoder_helper_funcs = { .disable = exynos_dpi_disable, }; -static const struct drm_encoder_funcs exynos_dpi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - enum { FIMD_PORT_IN0, FIMD_PORT_IN1, @@ -201,8 +198,7 @@ int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder) { int ret; - drm_encoder_init(dev, encoder, &exynos_dpi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(encoder, &exynos_dpi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index e080aa92338c..902938d2568f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -30,6 +30,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "exynos_drm_crtc.h" #include "exynos_drm_drv.h" @@ -1523,10 +1524,6 @@ static const struct drm_encoder_helper_funcs exynos_dsi_encoder_helper_funcs = { .disable = exynos_dsi_disable, }; -static const struct drm_encoder_funcs exynos_dsi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - MODULE_DEVICE_TABLE(of, exynos_dsi_of_match); static int exynos_dsi_host_attach(struct mipi_dsi_host *host, @@ -1704,8 +1701,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master, struct drm_bridge *in_bridge; int ret; - drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(encoder, &exynos_dsi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index b320b3a21ad4..282467121699 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -14,6 +14,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <drm/drm_vblank.h> #include <drm/exynos_drm.h> @@ -369,10 +370,6 @@ static const struct drm_encoder_helper_funcs exynos_vidi_encoder_helper_funcs = .disable = exynos_vidi_disable, }; -static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int vidi_bind(struct device *dev, struct device *master, void *data) { struct vidi_context *ctx = dev_get_drvdata(dev); @@ -406,8 +403,7 @@ static int vidi_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(ctx->crtc); } - drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 1a7c828fc41d..95dd399aa9cc 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -38,6 +38,7 @@ #include <drm/drm_edid.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "exynos_drm_crtc.h" #include "regs-hdmi.h" @@ -1559,10 +1560,6 @@ static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = .disable = hdmi_disable, }; -static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static void hdmi_audio_shutdown(struct device *dev, void *data) { struct hdmi_context *hdata = dev_get_drvdata(dev); @@ -1843,8 +1840,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data) hdata->phy_clk.enable = hdmiphy_clk_enable; - drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c index cff344367f81..9b0c4736c21a 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c @@ -13,19 +13,11 @@ #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "fsl_dcu_drm_drv.h" #include "fsl_tcon.h" -static void fsl_dcu_drm_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = fsl_dcu_drm_encoder_destroy, -}; - int fsl_dcu_drm_encoder_create(struct fsl_dcu_drm_device *fsl_dev, struct drm_crtc *crtc) { @@ -38,8 +30,8 @@ int fsl_dcu_drm_encoder_create(struct fsl_dcu_drm_device *fsl_dev, if (fsl_dev->tcon) fsl_tcon_bypass_enable(fsl_dev->tcon); - ret = drm_encoder_init(fsl_dev->drm, encoder, &encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + ret = drm_simple_encoder_init(fsl_dev->drm, encoder, + DRM_MODE_ENCODER_LVDS); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c index 29c36d63b20e..88535f5aacc5 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_crt.c +++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c @@ -28,6 +28,8 @@ #include <linux/i2c.h> #include <linux/pm_runtime.h> +#include <drm/drm_simple_kms_helper.h> + #include "cdv_device.h" #include "intel_bios.h" #include "power.h" @@ -237,15 +239,6 @@ static const struct drm_connector_helper_funcs .best_encoder = gma_best_encoder, }; -static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = { - .destroy = cdv_intel_crt_enc_destroy, -}; - void cdv_intel_crt_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev) { @@ -271,8 +264,7 @@ void cdv_intel_crt_init(struct drm_device *dev, &cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); encoder = &gma_encoder->base; - drm_encoder_init(dev, encoder, - &cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); gma_connector_attach_encoder(gma_connector, gma_encoder); diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index 5772b2dce0d6..13947ec06dbb 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -32,6 +32,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_dp_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "gma_display.h" #include "psb_drv.h" @@ -1908,11 +1909,6 @@ cdv_intel_dp_destroy(struct drm_connector *connector) kfree(connector); } -static void cdv_intel_dp_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - static const struct drm_encoder_helper_funcs cdv_intel_dp_helper_funcs = { .dpms = cdv_intel_dp_dpms, .mode_fixup = cdv_intel_dp_mode_fixup, @@ -1935,11 +1931,6 @@ static const struct drm_connector_helper_funcs cdv_intel_dp_connector_helper_fun .best_encoder = gma_best_encoder, }; -static const struct drm_encoder_funcs cdv_intel_dp_enc_funcs = { - .destroy = cdv_intel_dp_encoder_destroy, -}; - - static void cdv_intel_dp_add_properties(struct drm_connector *connector) { cdv_intel_attach_force_audio_property(connector); @@ -2016,8 +2007,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev encoder = &gma_encoder->base; drm_connector_init(dev, connector, &cdv_intel_dp_connector_funcs, type); - drm_encoder_init(dev, encoder, &cdv_intel_dp_enc_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); gma_connector_attach_encoder(gma_connector, gma_encoder); @@ -2120,7 +2110,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev if (ret == 0) { /* if this fails, presume the device is a ghost */ DRM_INFO("failed to retrieve link info, disabling eDP\n"); - cdv_intel_dp_encoder_destroy(encoder); + drm_encoder_cleanup(encoder); cdv_intel_dp_destroy(connector); goto err_priv; } else { diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c index 1711a41acc16..0d12c6ffbc40 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c +++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c @@ -32,6 +32,7 @@ #include <drm/drm.h> #include <drm/drm_crtc.h> #include <drm/drm_edid.h> +#include <drm/drm_simple_kms_helper.h> #include "cdv_device.h" #include "psb_drv.h" @@ -311,8 +312,7 @@ void cdv_hdmi_init(struct drm_device *dev, &cdv_hdmi_connector_funcs, DRM_MODE_CONNECTOR_DVID); - drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); gma_connector_attach_encoder(gma_connector, gma_encoder); gma_encoder->type = INTEL_OUTPUT_HDMI; diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index ea0a5d9a0acc..18de10e9ff9a 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -12,6 +12,8 @@ #include <linux/i2c.h> #include <linux/pm_runtime.h> +#include <drm/drm_simple_kms_helper.h> + #include "cdv_device.h" #include "intel_bios.h" #include "power.h" @@ -499,16 +501,6 @@ static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = { .destroy = cdv_intel_lvds_destroy, }; - -static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = { - .destroy = cdv_intel_lvds_enc_destroy, -}; - /* * Enumerate the child dev array parsed from VBT to check whether * the LVDS is present. @@ -616,10 +608,7 @@ void cdv_intel_lvds_init(struct drm_device *dev, &cdv_intel_lvds_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - drm_encoder_init(dev, encoder, - &cdv_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS, NULL); - + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); gma_connector_attach_encoder(gma_connector, gma_encoder); gma_encoder->type = INTEL_OUTPUT_LVDS; diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 1d8f67e4795a..23a78d755382 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -577,31 +577,31 @@ static void psb_setup_outputs(struct drm_device *dev) break; case INTEL_OUTPUT_SDVO: crtc_mask = dev_priv->ops->sdvo_mask; - clone_mask = (1 << INTEL_OUTPUT_SDVO); + clone_mask = 0; break; case INTEL_OUTPUT_LVDS: - crtc_mask = dev_priv->ops->lvds_mask; - clone_mask = (1 << INTEL_OUTPUT_LVDS); + crtc_mask = dev_priv->ops->lvds_mask; + clone_mask = 0; break; case INTEL_OUTPUT_MIPI: crtc_mask = (1 << 0); - clone_mask = (1 << INTEL_OUTPUT_MIPI); + clone_mask = 0; break; case INTEL_OUTPUT_MIPI2: crtc_mask = (1 << 2); - clone_mask = (1 << INTEL_OUTPUT_MIPI2); + clone_mask = 0; break; case INTEL_OUTPUT_HDMI: - crtc_mask = dev_priv->ops->hdmi_mask; + crtc_mask = dev_priv->ops->hdmi_mask; clone_mask = (1 << INTEL_OUTPUT_HDMI); break; case INTEL_OUTPUT_DISPLAYPORT: crtc_mask = (1 << 0) | (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT); + clone_mask = 0; break; case INTEL_OUTPUT_EDP: crtc_mask = (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_EDP); + clone_mask = 0; } encoder->possible_crtcs = crtc_mask; encoder->possible_clones = diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c index d4c65f268922..c976a9dd9240 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c @@ -27,6 +27,8 @@ #include <linux/delay.h> +#include <drm/drm_simple_kms_helper.h> + #include "mdfld_dsi_dpi.h" #include "mdfld_dsi_pkg_sender.h" #include "mdfld_output.h" @@ -993,10 +995,7 @@ struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, /*create drm encoder object*/ connector = &dsi_connector->base.base; encoder = &dpi_output->base.base.base; - drm_encoder_init(dev, - encoder, - p_funcs->encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); drm_encoder_helper_add(encoder, p_funcs->encoder_helper_funcs); @@ -1006,10 +1005,10 @@ struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, /*set possible crtcs and clones*/ if (dsi_connector->pipe) { encoder->possible_crtcs = (1 << 2); - encoder->possible_clones = (1 << 1); + encoder->possible_clones = 0; } else { encoder->possible_crtcs = (1 << 0); - encoder->possible_clones = (1 << 0); + encoder->possible_clones = 0; } dsi_connector->base.encoder = &dpi_output->base.base; diff --git a/drivers/gpu/drm/gma500/mdfld_output.h b/drivers/gpu/drm/gma500/mdfld_output.h index ab2b27c0f037..17a944d70add 100644 --- a/drivers/gpu/drm/gma500/mdfld_output.h +++ b/drivers/gpu/drm/gma500/mdfld_output.h @@ -51,7 +51,6 @@ struct panel_info { }; struct panel_funcs { - const struct drm_encoder_funcs *encoder_funcs; const struct drm_encoder_helper_funcs *encoder_helper_funcs; struct drm_display_mode * (*get_config_mode)(struct drm_device *); int (*get_panel_info)(struct drm_device *, int, struct panel_info *); diff --git a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c index 49c92debb7b2..25e897b98f86 100644 --- a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c +++ b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c @@ -188,13 +188,7 @@ static const struct drm_encoder_helper_funcs .commit = mdfld_dsi_dpi_commit, }; -/*TPO DPI encoder funcs*/ -static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - const struct panel_funcs mdfld_tmd_vid_funcs = { - .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs, .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs, .get_config_mode = &tmd_vid_get_config_mode, .get_panel_info = tmd_vid_get_panel_info, diff --git a/drivers/gpu/drm/gma500/mdfld_tpo_vid.c b/drivers/gpu/drm/gma500/mdfld_tpo_vid.c index a9420bf9a419..11845978fb0a 100644 --- a/drivers/gpu/drm/gma500/mdfld_tpo_vid.c +++ b/drivers/gpu/drm/gma500/mdfld_tpo_vid.c @@ -76,13 +76,7 @@ static const struct drm_encoder_helper_funcs .commit = mdfld_dsi_dpi_commit, }; -/*TPO DPI encoder funcs*/ -static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - const struct panel_funcs mdfld_tpo_vid_funcs = { - .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs, .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs, .get_config_mode = &tpo_vid_get_config_mode, .get_panel_info = tpo_vid_get_panel_info, diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index f4370232767d..b25086f252ae 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -27,6 +27,7 @@ #include <linux/delay.h> #include <drm/drm.h> +#include <drm/drm_simple_kms_helper.h> #include "psb_drv.h" #include "psb_intel_drv.h" @@ -620,15 +621,6 @@ static const struct drm_connector_funcs oaktrail_hdmi_connector_funcs = { .destroy = oaktrail_hdmi_destroy, }; -static void oaktrail_hdmi_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs oaktrail_hdmi_enc_funcs = { - .destroy = oaktrail_hdmi_enc_destroy, -}; - void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev) { @@ -651,9 +643,7 @@ void oaktrail_hdmi_init(struct drm_device *dev, &oaktrail_hdmi_connector_funcs, DRM_MODE_CONNECTOR_DVID); - drm_encoder_init(dev, encoder, - &oaktrail_hdmi_enc_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); gma_connector_attach_encoder(gma_connector, gma_encoder); diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c index 582e09597500..2828360153d1 100644 --- a/drivers/gpu/drm/gma500/oaktrail_lvds.c +++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c @@ -13,6 +13,8 @@ #include <asm/intel-mid.h> +#include <drm/drm_simple_kms_helper.h> + #include "intel_bios.h" #include "power.h" #include "psb_drv.h" @@ -311,8 +313,7 @@ void oaktrail_lvds_init(struct drm_device *dev, &psb_intel_lvds_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); gma_connector_attach_encoder(gma_connector, gma_encoder); gma_encoder->type = INTEL_OUTPUT_LVDS; diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h index 16c6136f778b..fb601983cef0 100644 --- a/drivers/gpu/drm/gma500/psb_intel_drv.h +++ b/drivers/gpu/drm/gma500/psb_intel_drv.h @@ -252,7 +252,6 @@ extern int psb_intel_lvds_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t value); extern void psb_intel_lvds_destroy(struct drm_connector *connector); -extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; /* intel_gmbus.c */ extern void gma_intel_i2c_reset(struct drm_device *dev); diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index afaebab7bc17..063c66bb946d 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -11,6 +11,8 @@ #include <linux/i2c.h> #include <linux/pm_runtime.h> +#include <drm/drm_simple_kms_helper.h> + #include "intel_bios.h" #include "power.h" #include "psb_drv.h" @@ -621,18 +623,6 @@ const struct drm_connector_funcs psb_intel_lvds_connector_funcs = { .destroy = psb_intel_lvds_destroy, }; - -static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = { - .destroy = psb_intel_lvds_enc_destroy, -}; - - - /** * psb_intel_lvds_init - setup LVDS connectors on this device * @dev: drm device @@ -683,9 +673,7 @@ void psb_intel_lvds_init(struct drm_device *dev, &psb_intel_lvds_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - drm_encoder_init(dev, encoder, - &psb_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); gma_connector_attach_encoder(gma_connector, gma_encoder); gma_encoder->type = INTEL_OUTPUT_LVDS; diff --git a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c index 9e8224456ea2..e5bdd99ad453 100644 --- a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c +++ b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c @@ -747,11 +747,11 @@ static int cmi_lcd_hack_create_device(void) return -EINVAL; } - client = i2c_new_device(adapter, &info); - if (!client) { - pr_err("%s: i2c_new_device() failed\n", __func__); + client = i2c_new_client_device(adapter, &info); + if (IS_ERR(client)) { + pr_err("%s: creating I2C device failed\n", __func__); i2c_put_adapter(adapter); - return -EINVAL; + return PTR_ERR(client); } return 0; @@ -765,12 +765,7 @@ static const struct drm_encoder_helper_funcs tc35876x_encoder_helper_funcs = { .commit = mdfld_dsi_dpi_commit, }; -static const struct drm_encoder_funcs tc35876x_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - const struct panel_funcs mdfld_tc35876x_funcs = { - .encoder_funcs = &tc35876x_encoder_funcs, .encoder_helper_funcs = &tc35876x_encoder_helper_funcs, .get_config_mode = tc35876x_get_config_mode, .get_panel_info = tc35876x_get_panel_info, diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c index 55b46a7150a5..cc70e836522f 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c @@ -94,6 +94,10 @@ static int hibmc_plane_atomic_check(struct drm_plane *plane, return -EINVAL; } + if (state->fb->pitches[0] % 128 != 0) { + DRM_DEBUG_ATOMIC("wrong stride with 128-byte aligned\n"); + return -EINVAL; + } return 0; } @@ -119,11 +123,8 @@ static void hibmc_plane_atomic_update(struct drm_plane *plane, writel(gpu_addr, priv->mmio + HIBMC_CRT_FB_ADDRESS); reg = state->fb->width * (state->fb->format->cpp[0]); - /* now line_pad is 16 */ - reg = PADDING(16, reg); - line_l = state->fb->width * state->fb->format->cpp[0]; - line_l = PADDING(16, line_l); + line_l = state->fb->pitches[0]; writel(HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_WIDTH, reg) | HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_OFFS, line_l), priv->mmio + HIBMC_CRT_FB_WIDTH); diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 222356a4f9a8..a6fd0c29e5b8 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -94,7 +94,7 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv) priv->dev->mode_config.max_height = 1200; priv->dev->mode_config.fb_base = priv->fb_base; - priv->dev->mode_config.preferred_depth = 24; + priv->dev->mode_config.preferred_depth = 32; priv->dev->mode_config.prefer_shadow = 1; priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs; @@ -307,11 +307,7 @@ static int hibmc_load(struct drm_device *dev) /* reset all the states of crtc/plane/encoder/connector */ drm_mode_config_reset(dev); - ret = drm_fbdev_generic_setup(dev, 16); - if (ret) { - DRM_ERROR("failed to initialize fbdev: %d\n", ret); - goto err; - } + drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth); return 0; diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c index 99397ac3b363..322bd542e89d 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c @@ -50,7 +50,7 @@ void hibmc_mm_fini(struct hibmc_drm_private *hibmc) int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { - return drm_gem_vram_fill_create_dumb(file, dev, 0, 16, args); + return drm_gem_vram_fill_create_dumb(file, dev, 0, 128, args); } const struct drm_mode_config_funcs hibmc_mode_funcs = { diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c index f31068d74b18..00e87c290796 100644 --- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c +++ b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c @@ -20,11 +20,11 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_device.h> -#include <drm/drm_encoder_slave.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_of.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "dw_dsi_reg.h" @@ -696,10 +696,6 @@ static const struct drm_encoder_helper_funcs dw_encoder_helper_funcs = { .disable = dsi_encoder_disable }; -static const struct drm_encoder_funcs dw_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int dw_drm_encoder_init(struct device *dev, struct drm_device *drm_dev, struct drm_encoder *encoder) @@ -713,8 +709,7 @@ static int dw_drm_encoder_init(struct device *dev, } encoder->possible_crtcs = crtc_mask; - ret = drm_encoder_init(drm_dev, encoder, &dw_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); + ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_DSI); if (ret) { DRM_ERROR("failed to init dsi encoder\n"); return ret; diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c index 86000127d4ee..c339e632522a 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c @@ -940,7 +940,6 @@ static struct drm_driver ade_driver = { }; struct kirin_drm_data ade_driver_data = { - .register_connects = false, .num_planes = ADE_CH_NUM, .prim_plane = ADE_CH1, .channel_formats = channel_formats, diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c index d3145ae877d7..4349da3e2379 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c @@ -219,40 +219,6 @@ static int kirin_drm_kms_cleanup(struct drm_device *dev) return 0; } -static int kirin_drm_connectors_register(struct drm_device *dev) -{ - struct drm_connector *connector; - struct drm_connector *failed_connector; - struct drm_connector_list_iter conn_iter; - int ret; - - mutex_lock(&dev->mode_config.mutex); - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - ret = drm_connector_register(connector); - if (ret) { - failed_connector = connector; - goto err; - } - } - drm_connector_list_iter_end(&conn_iter); - mutex_unlock(&dev->mode_config.mutex); - - return 0; - -err: - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (failed_connector == connector) - break; - drm_connector_unregister(connector); - } - drm_connector_list_iter_end(&conn_iter); - mutex_unlock(&dev->mode_config.mutex); - - return ret; -} - static int kirin_drm_bind(struct device *dev) { struct kirin_drm_data *driver_data; @@ -279,17 +245,8 @@ static int kirin_drm_bind(struct device *dev) drm_fbdev_generic_setup(drm_dev, 32); - /* connectors should be registered after drm device register */ - if (driver_data->register_connects) { - ret = kirin_drm_connectors_register(drm_dev); - if (ret) - goto err_drm_dev_unregister; - } - return 0; -err_drm_dev_unregister: - drm_dev_unregister(drm_dev); err_kms_cleanup: kirin_drm_kms_cleanup(drm_dev); err_drm_dev_put: diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h index 4d5c05a24065..dee8ec2f7f2e 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h @@ -37,7 +37,6 @@ struct kirin_drm_data { u32 channel_formats_cnt; int config_max_width; int config_max_height; - bool register_connects; u32 num_planes; u32 prim_plane; diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c index a839f78a4c8a..741886b54419 100644 --- a/drivers/gpu/drm/i2c/sil164_drv.c +++ b/drivers/gpu/drm/i2c/sil164_drv.c @@ -393,7 +393,7 @@ sil164_detect_slave(struct i2c_client *client) return NULL; } - return i2c_new_device(adap, &info); + return i2c_new_client_device(adap, &info); } static int @@ -402,6 +402,7 @@ sil164_encoder_init(struct i2c_client *client, struct drm_encoder_slave *encoder) { struct sil164_priv *priv; + struct i2c_client *slave_client; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) @@ -410,7 +411,9 @@ sil164_encoder_init(struct i2c_client *client, encoder->slave_priv = priv; encoder->slave_funcs = &sil164_encoder_funcs; - priv->duallink_slave = sil164_detect_slave(client); + slave_client = sil164_detect_slave(client); + if (!IS_ERR(slave_client)) + priv->duallink_slave = slave_client; return 0; } diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index c3332209f27a..3c90d7ae09d6 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -19,6 +19,7 @@ #include <drm/drm_of.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <drm/i2c/tda998x.h> #include <media/cec-notifier.h> @@ -1949,9 +1950,9 @@ static int tda998x_create(struct device *dev) cec_info.platform_data = &priv->cec_glue; cec_info.irq = client->irq; - priv->cec = i2c_new_device(client->adapter, &cec_info); - if (!priv->cec) { - ret = -ENODEV; + priv->cec = i2c_new_client_device(client->adapter, &cec_info); + if (IS_ERR(priv->cec)) { + ret = PTR_ERR(priv->cec); goto fail; } @@ -1997,15 +1998,6 @@ err_irq: /* DRM encoder functions */ -static void tda998x_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs tda998x_encoder_funcs = { - .destroy = tda998x_encoder_destroy, -}; - static int tda998x_encoder_init(struct device *dev, struct drm_device *drm) { struct tda998x_priv *priv = dev_get_drvdata(dev); @@ -2023,8 +2015,8 @@ static int tda998x_encoder_init(struct device *dev, struct drm_device *drm) priv->encoder.possible_crtcs = crtcs; - ret = drm_encoder_init(drm, &priv->encoder, &tda998x_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + ret = drm_simple_encoder_init(drm, &priv->encoder, + DRM_MODE_ENCODER_TMDS); if (ret) goto err_encoder; diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index ab20b7ea26f7..bdeea2e02642 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -631,15 +631,9 @@ static void intel_dp_info(struct seq_file *m, } static void intel_dp_mst_info(struct seq_file *m, - struct intel_connector *intel_connector) + struct intel_connector *intel_connector) { - struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector); - struct intel_dp_mst_encoder *intel_mst = - enc_to_mst(intel_encoder); - struct intel_digital_port *intel_dig_port = intel_mst->primary; - struct intel_dp *intel_dp = &intel_dig_port->dp; - bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, - intel_connector->port); + bool has_audio = intel_connector->port->has_audio; seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); } @@ -1937,7 +1931,7 @@ static const struct { {"i915_edp_psr_debug", &i915_edp_psr_debug_fops}, }; -int intel_display_debugfs_register(struct drm_i915_private *i915) +void intel_display_debugfs_register(struct drm_i915_private *i915) { struct drm_minor *minor = i915->drm.primary; int i; @@ -1950,9 +1944,9 @@ int intel_display_debugfs_register(struct drm_i915_private *i915) intel_display_debugfs_files[i].fops); } - return drm_debugfs_create_files(intel_display_debugfs_list, - ARRAY_SIZE(intel_display_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(intel_display_debugfs_list, + ARRAY_SIZE(intel_display_debugfs_list), + minor->debugfs_root, minor); } static int i915_panel_show(struct seq_file *m, void *data) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.h b/drivers/gpu/drm/i915/display/intel_display_debugfs.h index a3bea1ce04c2..c922c1745bfe 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.h +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.h @@ -10,10 +10,10 @@ struct drm_connector; struct drm_i915_private; #ifdef CONFIG_DEBUG_FS -int intel_display_debugfs_register(struct drm_i915_private *i915); +void intel_display_debugfs_register(struct drm_i915_private *i915); int intel_connector_debugfs_add(struct drm_connector *connector); #else -static inline int intel_display_debugfs_register(struct drm_i915_private *i915) { return 0; } +static inline void intel_display_debugfs_register(struct drm_i915_private *i915) {} static inline int intel_connector_debugfs_add(struct drm_connector *connector) { return 0; } #endif diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 8752f4d6ea9b..ba8c08145c88 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -438,7 +438,7 @@ struct intel_connector { state of connector->polled in case hotplug storm detection changes it */ u8 polled; - void *port; /* store this opaque as its illegal to dereference it */ + struct drm_dp_mst_port *port; struct intel_dp *mst_port; diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 61605eb8c2af..a83f910d8e15 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -113,9 +113,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, pipe_config->has_pch_encoder = false; if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO) - pipe_config->has_audio = - drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, - connector->port); + pipe_config->has_audio = connector->port->has_audio; else pipe_config->has_audio = intel_conn_state->force_audio == HDMI_AUDIO_ON; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c index 698e22420dc5..7fe9831aa9ba 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c @@ -10,8 +10,6 @@ #include <drm/drm.h> /* for drm_legacy.h! */ #include <drm/drm_cache.h> -#include <drm/drm_legacy.h> /* for drm_pci.h! */ -#include <drm/drm_pci.h> #include "gt/intel_gt.h" #include "i915_drv.h" diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 2905bcff79cf..aa35a59f1c7d 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1884,7 +1884,7 @@ static const struct i915_debugfs_files { #endif }; -int i915_debugfs_register(struct drm_i915_private *dev_priv) +void i915_debugfs_register(struct drm_i915_private *dev_priv) { struct drm_minor *minor = dev_priv->drm.primary; int i; @@ -1901,7 +1901,7 @@ int i915_debugfs_register(struct drm_i915_private *dev_priv) i915_debugfs_files[i].fops); } - return drm_debugfs_create_files(i915_debugfs_list, - I915_DEBUGFS_ENTRIES, - minor->debugfs_root, minor); + drm_debugfs_create_files(i915_debugfs_list, + I915_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); } diff --git a/drivers/gpu/drm/i915/i915_debugfs.h b/drivers/gpu/drm/i915/i915_debugfs.h index 6da39c76ab5e..1de2736f1248 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.h +++ b/drivers/gpu/drm/i915/i915_debugfs.h @@ -12,10 +12,10 @@ struct drm_i915_private; struct seq_file; #ifdef CONFIG_DEBUG_FS -int i915_debugfs_register(struct drm_i915_private *dev_priv); +void i915_debugfs_register(struct drm_i915_private *dev_priv); void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj); #else -static inline int i915_debugfs_register(struct drm_i915_private *dev_priv) { return 0; } +static inline void i915_debugfs_register(struct drm_i915_private *dev_priv) {} static inline void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) {} #endif diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 9ab4ad7ccac9..641f5e03b661 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -43,6 +43,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_ioctl.h> #include <drm/drm_irq.h> +#include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include "display/intel_acpi.h" @@ -888,6 +889,8 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent) return ERR_PTR(err); } + drmm_add_final_kfree(&i915->drm, i915); + i915->drm.pdev = pdev; pci_set_drvdata(pdev, i915); @@ -901,17 +904,6 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent) return i915; } -static void i915_driver_destroy(struct drm_i915_private *i915) -{ - struct pci_dev *pdev = i915->drm.pdev; - - drm_dev_fini(&i915->drm); - kfree(i915); - - /* And make sure we never chase our dangling pointer from pci_dev */ - pci_set_drvdata(pdev, NULL); -} - /** * i915_driver_probe - setup chip and create an initial config * @pdev: PCI device @@ -993,6 +985,8 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i915_welcome_messages(i915); + i915->do_release = true; + return 0; out_cleanup_irq: @@ -1012,7 +1006,7 @@ out_pci_disable: pci_disable_device(pdev); out_fini: i915_probe_error(i915, "Device initialization failed (%d)\n", ret); - i915_driver_destroy(i915); + drm_dev_put(&i915->drm); return ret; } @@ -1052,6 +1046,9 @@ static void i915_driver_release(struct drm_device *dev) struct drm_i915_private *dev_priv = to_i915(dev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; + if (!dev_priv->do_release) + return; + disable_rpm_wakeref_asserts(rpm); i915_gem_driver_release(dev_priv); @@ -1065,7 +1062,6 @@ static void i915_driver_release(struct drm_device *dev) intel_runtime_pm_driver_release(rpm); i915_driver_late_release(dev_priv); - i915_driver_destroy(dev_priv); } static int i915_driver_open(struct drm_device *dev, struct drm_file *file) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8b80b9d23be9..b00f0845cbc3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -822,6 +822,9 @@ struct i915_selftest_stash { struct drm_i915_private { struct drm_device drm; + /* FIXME: Device release actions should all be moved to drmm_ */ + bool do_release; + const struct intel_device_info __info; /* Use INTEL_INFO() to access. */ struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */ struct intel_driver_caps caps; diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 47fde54150f4..9b105b811f1f 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -25,6 +25,8 @@ #include <linux/pm_domain.h> #include <linux/pm_runtime.h> +#include <drm/drm_managed.h> + #include "gt/intel_gt.h" #include "gt/intel_gt_requests.h" #include "gt/mock_engine.h" @@ -55,6 +57,9 @@ static void mock_device_release(struct drm_device *dev) { struct drm_i915_private *i915 = to_i915(dev); + if (!i915->do_release) + goto out; + mock_device_flush(i915); intel_gt_driver_remove(&i915->gt); @@ -71,8 +76,9 @@ static void mock_device_release(struct drm_device *dev) drm_mode_config_cleanup(&i915->drm); - drm_dev_fini(&i915->drm); +out: put_device(&i915->drm.pdev->dev); + i915->drm.pdev = NULL; } static struct drm_driver mock_driver = { @@ -114,9 +120,14 @@ struct drm_i915_private *mock_gem_device(void) struct pci_dev *pdev; int err; - pdev = kzalloc(sizeof(*pdev) + sizeof(*i915), GFP_KERNEL); + pdev = kzalloc(sizeof(*pdev), GFP_KERNEL); if (!pdev) - goto err; + return NULL; + i915 = kzalloc(sizeof(*i915), GFP_KERNEL); + if (!i915) { + kfree(pdev); + return NULL; + } device_initialize(&pdev->dev); pdev->class = PCI_BASE_CLASS_DISPLAY << 16; @@ -129,7 +140,6 @@ struct drm_i915_private *mock_gem_device(void) pdev->dev.archdata.iommu = (void *)-1; #endif - i915 = (struct drm_i915_private *)(pdev + 1); pci_set_drvdata(pdev, i915); dev_pm_domain_set(&pdev->dev, &pm_domain); @@ -141,9 +151,13 @@ struct drm_i915_private *mock_gem_device(void) err = drm_dev_init(&i915->drm, &mock_driver, &pdev->dev); if (err) { pr_err("Failed to initialise mock GEM device: err=%d\n", err); - goto put_device; + put_device(&pdev->dev); + kfree(i915); + + return NULL; } i915->drm.pdev = pdev; + drmm_add_final_kfree(&i915->drm, i915); intel_runtime_pm_init_early(&i915->runtime_pm); @@ -188,6 +202,8 @@ struct drm_i915_private *mock_gem_device(void) __clear_bit(I915_WEDGED, &i915->gt.reset.flags); intel_engines_driver_register(i915); + i915->do_release = true; + return i915; err_context: @@ -198,9 +214,7 @@ err_drv: intel_gt_driver_late_release(&i915->gt); intel_memory_regions_driver_release(i915); drm_mode_config_cleanup(&i915->drm); - drm_dev_fini(&i915->drm); -put_device: - put_device(&pdev->dev); -err: + drm_dev_put(&i915->drm); + return NULL; } diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c index f22cfbf9353e..ba4ca17fd4d8 100644 --- a/drivers/gpu/drm/imx/dw_hdmi-imx.c +++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c @@ -18,6 +18,7 @@ #include <drm/drm_edid.h> #include <drm/drm_encoder.h> #include <drm/drm_of.h> +#include <drm/drm_simple_kms_helper.h> #include "imx-drm.h" @@ -143,10 +144,6 @@ static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs = .atomic_check = dw_hdmi_imx_atomic_check, }; -static const struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static enum drm_mode_status imx6q_hdmi_mode_valid(struct drm_connector *con, const struct drm_display_mode *mode) @@ -236,8 +233,7 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, return ret; drm_encoder_helper_add(encoder, &dw_hdmi_imx_encoder_helper_funcs); - drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); platform_set_drvdata(pdev, hdmi); diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index da87c70e413b..2e38f1a5cf8d 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -42,12 +42,6 @@ void imx_drm_connector_destroy(struct drm_connector *connector) } EXPORT_SYMBOL_GPL(imx_drm_connector_destroy); -void imx_drm_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} -EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy); - static int imx_drm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) { @@ -139,8 +133,8 @@ int imx_drm_encoder_parse_of(struct drm_device *drm, encoder->possible_crtcs = crtc_mask; - /* FIXME: this is the mask of outputs which can clone this output. */ - encoder->possible_clones = ~0; + /* FIXME: cloning support not clear, disable it all for now */ + encoder->possible_clones = 0; return 0; } diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h index ab9c6f706eb3..c3e1a3f14d30 100644 --- a/drivers/gpu/drm/imx/imx-drm.h +++ b/drivers/gpu/drm/imx/imx-drm.h @@ -38,7 +38,6 @@ int imx_drm_encoder_parse_of(struct drm_device *drm, struct drm_encoder *encoder, struct device_node *np); void imx_drm_connector_destroy(struct drm_connector *connector); -void imx_drm_encoder_destroy(struct drm_encoder *encoder); int ipu_planes_assign_pre(struct drm_device *dev, struct drm_atomic_state *state); diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 4da22a94790c..66ea68e8da87 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -26,6 +26,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "imx-drm.h" @@ -393,10 +394,6 @@ static const struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = .best_encoder = imx_ldb_connector_best_encoder, }; -static const struct drm_encoder_funcs imx_ldb_encoder_funcs = { - .destroy = imx_drm_encoder_destroy, -}; - static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = { .atomic_mode_set = imx_ldb_encoder_atomic_mode_set, .enable = imx_ldb_encoder_enable, @@ -441,8 +438,7 @@ static int imx_ldb_register(struct drm_device *drm, } drm_encoder_helper_add(encoder, &imx_ldb_encoder_helper_funcs); - drm_encoder_init(drm, encoder, &imx_ldb_encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_LVDS); if (imx_ldb_ch->bridge) { ret = drm_bridge_attach(&imx_ldb_ch->encoder, diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 5bbfaa2cd0f4..ee63782c77e9 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -21,6 +21,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "imx-drm.h" @@ -348,10 +349,6 @@ static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = .mode_valid = imx_tve_connector_mode_valid, }; -static const struct drm_encoder_funcs imx_tve_encoder_funcs = { - .destroy = imx_drm_encoder_destroy, -}; - static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = { .mode_set = imx_tve_encoder_mode_set, .enable = imx_tve_encoder_enable, @@ -479,8 +476,7 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve) return ret; drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs); - drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs, - encoder_type, NULL); + drm_simple_encoder_init(drm, &tve->encoder, encoder_type); drm_connector_helper_add(&tve->connector, &imx_tve_connector_helper_funcs); diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 08fafa4bf8c2..ac916c84a631 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -18,6 +18,7 @@ #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "imx-drm.h" @@ -256,10 +257,6 @@ static const struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = { .best_encoder = imx_pd_connector_best_encoder, }; -static const struct drm_encoder_funcs imx_pd_encoder_funcs = { - .destroy = imx_drm_encoder_destroy, -}; - static const struct drm_bridge_funcs imx_pd_bridge_funcs = { .enable = imx_pd_bridge_enable, .disable = imx_pd_bridge_disable, @@ -288,8 +285,7 @@ static int imx_pd_register(struct drm_device *drm, */ imxpd->connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_init(drm, encoder, &imx_pd_encoder_funcs, - DRM_MODE_ENCODER_NONE, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_NONE); imxpd->bridge.funcs = &imx_pd_bridge_funcs; drm_bridge_attach(encoder, &imxpd->bridge, NULL, 0); diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c index 9dfe7cb530e1..24cc3587cea5 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c @@ -23,11 +23,13 @@ #include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_irq.h> +#include <drm/drm_managed.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_plane.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <drm/drm_vblank.h> #define JZ_REG_LCD_CFG 0x00 @@ -488,15 +490,6 @@ static irqreturn_t ingenic_drm_irq_handler(int irq, void *arg) return IRQ_HANDLED; } -static void ingenic_drm_release(struct drm_device *drm) -{ - struct ingenic_drm *priv = drm_device_get_priv(drm); - - drm_mode_config_cleanup(drm); - drm_dev_fini(drm); - kfree(priv); -} - static int ingenic_drm_enable_vblank(struct drm_crtc *crtc) { struct ingenic_drm *priv = drm_crtc_get_priv(crtc); @@ -540,7 +533,6 @@ static struct drm_driver ingenic_drm_driver_data = { .gem_prime_mmap = drm_gem_cma_prime_mmap, .irq_handler = ingenic_drm_irq_handler, - .release = ingenic_drm_release, }; static const struct drm_plane_funcs ingenic_drm_primary_plane_funcs = { @@ -592,10 +584,6 @@ static const struct drm_mode_config_funcs ingenic_drm_mode_config_funcs = { .atomic_commit = drm_atomic_helper_commit, }; -static const struct drm_encoder_funcs ingenic_drm_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static void ingenic_drm_free_dma_hwdesc(void *d) { struct ingenic_drm *priv = d; @@ -639,8 +627,12 @@ static int ingenic_drm_probe(struct platform_device *pdev) kfree(priv); return ret; } + drmm_add_final_kfree(drm, priv); + + ret = drmm_mode_config_init(drm); + if (ret) + return ret; - drm_mode_config_init(drm); drm->mode_config.min_width = 0; drm->mode_config.min_height = 0; drm->mode_config.max_width = soc_info->max_width; @@ -661,10 +653,8 @@ static int ingenic_drm_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(dev, "Failed to get platform irq"); + if (irq < 0) return irq; - } if (soc_info->needs_dev_clk) { priv->lcd_clk = devm_clk_get(dev, "lcd"); @@ -730,8 +720,8 @@ static int ingenic_drm_probe(struct platform_device *pdev) drm_encoder_helper_add(&priv->encoder, &ingenic_drm_encoder_helper_funcs); - ret = drm_encoder_init(drm, &priv->encoder, &ingenic_drm_encoder_funcs, - DRM_MODE_ENCODER_DPI, NULL); + ret = drm_simple_encoder_init(drm, &priv->encoder, + DRM_MODE_ENCODER_DPI); if (ret) { dev_err(dev, "Failed to init encoder: %i", ret); return ret; @@ -791,9 +781,7 @@ static int ingenic_drm_probe(struct platform_device *pdev) goto err_devclk_disable; } - ret = drm_fbdev_generic_setup(drm, 32); - if (ret) - dev_warn(dev, "Unable to start fbdev emulation: %i", ret); + drm_fbdev_generic_setup(drm, 32); return 0; diff --git a/drivers/gpu/drm/lima/Kconfig b/drivers/gpu/drm/lima/Kconfig index d589f09d04d9..fa1d4f5df31e 100644 --- a/drivers/gpu/drm/lima/Kconfig +++ b/drivers/gpu/drm/lima/Kconfig @@ -10,5 +10,7 @@ config DRM_LIMA depends on OF select DRM_SCHED select DRM_GEM_SHMEM_HELPER + select PM_DEVFREQ + select DEVFREQ_GOV_SIMPLE_ONDEMAND help DRM driver for ARM Mali 400/450 GPUs. diff --git a/drivers/gpu/drm/lima/Makefile b/drivers/gpu/drm/lima/Makefile index a85444b0a1d4..ca2097b8e1ad 100644 --- a/drivers/gpu/drm/lima/Makefile +++ b/drivers/gpu/drm/lima/Makefile @@ -14,6 +14,8 @@ lima-y := \ lima_sched.o \ lima_ctx.o \ lima_dlbu.o \ - lima_bcast.o + lima_bcast.o \ + lima_trace.o \ + lima_devfreq.o obj-$(CONFIG_DRM_LIMA) += lima.o diff --git a/drivers/gpu/drm/lima/lima_ctx.c b/drivers/gpu/drm/lima/lima_ctx.c index 22fff6caa961..891d5cd5019a 100644 --- a/drivers/gpu/drm/lima/lima_ctx.c +++ b/drivers/gpu/drm/lima/lima_ctx.c @@ -27,6 +27,9 @@ int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id) if (err < 0) goto err_out0; + ctx->pid = task_pid_nr(current); + get_task_comm(ctx->pname, current); + return 0; err_out0: diff --git a/drivers/gpu/drm/lima/lima_ctx.h b/drivers/gpu/drm/lima/lima_ctx.h index 6154e5c9bfe4..74e2be09090f 100644 --- a/drivers/gpu/drm/lima/lima_ctx.h +++ b/drivers/gpu/drm/lima/lima_ctx.h @@ -5,6 +5,7 @@ #define __LIMA_CTX_H__ #include <linux/xarray.h> +#include <linux/sched.h> #include "lima_device.h" @@ -13,6 +14,10 @@ struct lima_ctx { struct lima_device *dev; struct lima_sched_context context[lima_pipe_num]; atomic_t guilty; + + /* debug info */ + char pname[TASK_COMM_LEN]; + pid_t pid; }; struct lima_ctx_mgr { diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c new file mode 100644 index 000000000000..8c4d21d07529 --- /dev/null +++ b/drivers/gpu/drm/lima/lima_devfreq.c @@ -0,0 +1,234 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com> + * + * Based on panfrost_devfreq.c: + * Copyright 2019 Collabora ltd. + */ +#include <linux/clk.h> +#include <linux/devfreq.h> +#include <linux/devfreq_cooling.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/pm_opp.h> +#include <linux/property.h> + +#include "lima_device.h" +#include "lima_devfreq.h" + +static void lima_devfreq_update_utilization(struct lima_devfreq *devfreq) +{ + ktime_t now, last; + + now = ktime_get(); + last = devfreq->time_last_update; + + if (devfreq->busy_count > 0) + devfreq->busy_time += ktime_sub(now, last); + else + devfreq->idle_time += ktime_sub(now, last); + + devfreq->time_last_update = now; +} + +static int lima_devfreq_target(struct device *dev, unsigned long *freq, + u32 flags) +{ + struct dev_pm_opp *opp; + int err; + + opp = devfreq_recommended_opp(dev, freq, flags); + if (IS_ERR(opp)) + return PTR_ERR(opp); + dev_pm_opp_put(opp); + + err = dev_pm_opp_set_rate(dev, *freq); + if (err) + return err; + + return 0; +} + +static void lima_devfreq_reset(struct lima_devfreq *devfreq) +{ + devfreq->busy_time = 0; + devfreq->idle_time = 0; + devfreq->time_last_update = ktime_get(); +} + +static int lima_devfreq_get_dev_status(struct device *dev, + struct devfreq_dev_status *status) +{ + struct lima_device *ldev = dev_get_drvdata(dev); + struct lima_devfreq *devfreq = &ldev->devfreq; + unsigned long irqflags; + + status->current_frequency = clk_get_rate(ldev->clk_gpu); + + spin_lock_irqsave(&devfreq->lock, irqflags); + + lima_devfreq_update_utilization(devfreq); + + status->total_time = ktime_to_ns(ktime_add(devfreq->busy_time, + devfreq->idle_time)); + status->busy_time = ktime_to_ns(devfreq->busy_time); + + lima_devfreq_reset(devfreq); + + spin_unlock_irqrestore(&devfreq->lock, irqflags); + + dev_dbg(ldev->dev, "busy %lu total %lu %lu %% freq %lu MHz\n", + status->busy_time, status->total_time, + status->busy_time / (status->total_time / 100), + status->current_frequency / 1000 / 1000); + + return 0; +} + +static struct devfreq_dev_profile lima_devfreq_profile = { + .polling_ms = 50, /* ~3 frames */ + .target = lima_devfreq_target, + .get_dev_status = lima_devfreq_get_dev_status, +}; + +void lima_devfreq_fini(struct lima_device *ldev) +{ + struct lima_devfreq *devfreq = &ldev->devfreq; + + if (devfreq->cooling) { + devfreq_cooling_unregister(devfreq->cooling); + devfreq->cooling = NULL; + } + + if (devfreq->devfreq) { + devm_devfreq_remove_device(&ldev->pdev->dev, + devfreq->devfreq); + devfreq->devfreq = NULL; + } + + if (devfreq->opp_of_table_added) { + dev_pm_opp_of_remove_table(&ldev->pdev->dev); + devfreq->opp_of_table_added = false; + } + + if (devfreq->regulators_opp_table) { + dev_pm_opp_put_regulators(devfreq->regulators_opp_table); + devfreq->regulators_opp_table = NULL; + } + + if (devfreq->clkname_opp_table) { + dev_pm_opp_put_clkname(devfreq->clkname_opp_table); + devfreq->clkname_opp_table = NULL; + } +} + +int lima_devfreq_init(struct lima_device *ldev) +{ + struct thermal_cooling_device *cooling; + struct device *dev = &ldev->pdev->dev; + struct opp_table *opp_table; + struct devfreq *devfreq; + struct lima_devfreq *ldevfreq = &ldev->devfreq; + struct dev_pm_opp *opp; + unsigned long cur_freq; + int ret; + + if (!device_property_present(dev, "operating-points-v2")) + /* Optional, continue without devfreq */ + return 0; + + spin_lock_init(&ldevfreq->lock); + + opp_table = dev_pm_opp_set_clkname(dev, "core"); + if (IS_ERR(opp_table)) { + ret = PTR_ERR(opp_table); + goto err_fini; + } + + ldevfreq->clkname_opp_table = opp_table; + + opp_table = dev_pm_opp_set_regulators(dev, + (const char *[]){ "mali" }, + 1); + if (IS_ERR(opp_table)) { + ret = PTR_ERR(opp_table); + + /* Continue if the optional regulator is missing */ + if (ret != -ENODEV) + goto err_fini; + } else { + ldevfreq->regulators_opp_table = opp_table; + } + + ret = dev_pm_opp_of_add_table(dev); + if (ret) + goto err_fini; + ldevfreq->opp_of_table_added = true; + + lima_devfreq_reset(ldevfreq); + + cur_freq = clk_get_rate(ldev->clk_gpu); + + opp = devfreq_recommended_opp(dev, &cur_freq, 0); + if (IS_ERR(opp)) { + ret = PTR_ERR(opp); + goto err_fini; + } + + lima_devfreq_profile.initial_freq = cur_freq; + dev_pm_opp_put(opp); + + devfreq = devm_devfreq_add_device(dev, &lima_devfreq_profile, + DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL); + if (IS_ERR(devfreq)) { + dev_err(dev, "Couldn't initialize GPU devfreq\n"); + ret = PTR_ERR(devfreq); + goto err_fini; + } + + ldevfreq->devfreq = devfreq; + + cooling = of_devfreq_cooling_register(dev->of_node, devfreq); + if (IS_ERR(cooling)) + dev_info(dev, "Failed to register cooling device\n"); + else + ldevfreq->cooling = cooling; + + return 0; + +err_fini: + lima_devfreq_fini(ldev); + return ret; +} + +void lima_devfreq_record_busy(struct lima_devfreq *devfreq) +{ + unsigned long irqflags; + + if (!devfreq->devfreq) + return; + + spin_lock_irqsave(&devfreq->lock, irqflags); + + lima_devfreq_update_utilization(devfreq); + + devfreq->busy_count++; + + spin_unlock_irqrestore(&devfreq->lock, irqflags); +} + +void lima_devfreq_record_idle(struct lima_devfreq *devfreq) +{ + unsigned long irqflags; + + if (!devfreq->devfreq) + return; + + spin_lock_irqsave(&devfreq->lock, irqflags); + + lima_devfreq_update_utilization(devfreq); + + WARN_ON(--devfreq->busy_count < 0); + + spin_unlock_irqrestore(&devfreq->lock, irqflags); +} diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h new file mode 100644 index 000000000000..8d71ba9fb22a --- /dev/null +++ b/drivers/gpu/drm/lima/lima_devfreq.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com> */ + +#ifndef __LIMA_DEVFREQ_H__ +#define __LIMA_DEVFREQ_H__ + +#include <linux/spinlock.h> +#include <linux/ktime.h> + +struct devfreq; +struct opp_table; +struct thermal_cooling_device; + +struct lima_device; + +struct lima_devfreq { + struct devfreq *devfreq; + struct opp_table *clkname_opp_table; + struct opp_table *regulators_opp_table; + struct thermal_cooling_device *cooling; + bool opp_of_table_added; + + ktime_t busy_time; + ktime_t idle_time; + ktime_t time_last_update; + int busy_count; + /* + * Protect busy_time, idle_time, time_last_update and busy_count + * because these can be updated concurrently, for example by the GP + * and PP interrupts. + */ + spinlock_t lock; +}; + +int lima_devfreq_init(struct lima_device *ldev); +void lima_devfreq_fini(struct lima_device *ldev); + +void lima_devfreq_record_busy(struct lima_devfreq *devfreq); +void lima_devfreq_record_idle(struct lima_devfreq *devfreq); + +#endif diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c index 19829b543024..247f51fd40a2 100644 --- a/drivers/gpu/drm/lima/lima_device.c +++ b/drivers/gpu/drm/lima/lima_device.c @@ -214,6 +214,8 @@ static int lima_init_gp_pipe(struct lima_device *dev) struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_gp; int err; + pipe->ldev = dev; + err = lima_sched_pipe_init(pipe, "gp"); if (err) return err; @@ -244,6 +246,8 @@ static int lima_init_pp_pipe(struct lima_device *dev) struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp; int err, i; + pipe->ldev = dev; + err = lima_sched_pipe_init(pipe, "pp"); if (err) return err; @@ -344,6 +348,12 @@ int lima_device_init(struct lima_device *ldev) if (err) goto err_out5; + ldev->dump.magic = LIMA_DUMP_MAGIC; + ldev->dump.version_major = LIMA_DUMP_MAJOR; + ldev->dump.version_minor = LIMA_DUMP_MINOR; + INIT_LIST_HEAD(&ldev->error_task_list); + mutex_init(&ldev->error_task_list_lock); + dev_info(ldev->dev, "bus rate = %lu\n", clk_get_rate(ldev->clk_bus)); dev_info(ldev->dev, "mod rate = %lu", clk_get_rate(ldev->clk_gpu)); @@ -370,6 +380,13 @@ err_out0: void lima_device_fini(struct lima_device *ldev) { int i; + struct lima_sched_error_task *et, *tmp; + + list_for_each_entry_safe(et, tmp, &ldev->error_task_list, list) { + list_del(&et->list); + kvfree(et); + } + mutex_destroy(&ldev->error_task_list_lock); lima_fini_pp_pipe(ldev); lima_fini_gp_pipe(ldev); diff --git a/drivers/gpu/drm/lima/lima_device.h b/drivers/gpu/drm/lima/lima_device.h index 31158d86271c..06fd9636dd72 100644 --- a/drivers/gpu/drm/lima/lima_device.h +++ b/drivers/gpu/drm/lima/lima_device.h @@ -6,8 +6,12 @@ #include <drm/drm_device.h> #include <linux/delay.h> +#include <linux/list.h> +#include <linux/mutex.h> #include "lima_sched.h" +#include "lima_dump.h" +#include "lima_devfreq.h" enum lima_gpu_id { lima_gpu_mali400 = 0, @@ -94,6 +98,13 @@ struct lima_device { u32 *dlbu_cpu; dma_addr_t dlbu_dma; + + struct lima_devfreq devfreq; + + /* debug info */ + struct lima_dump_head dump; + struct list_head error_task_list; + struct mutex error_task_list_lock; }; static inline struct lima_device * diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index 2daac64d8955..bbbdc8455e2f 100644 --- a/drivers/gpu/drm/lima/lima_drv.c +++ b/drivers/gpu/drm/lima/lima_drv.c @@ -10,12 +10,14 @@ #include <drm/drm_prime.h> #include <drm/lima_drm.h> +#include "lima_device.h" #include "lima_drv.h" #include "lima_gem.h" #include "lima_vm.h" int lima_sched_timeout_ms; uint lima_heap_init_nr_pages = 8; +uint lima_max_error_tasks; MODULE_PARM_DESC(sched_timeout_ms, "task run timeout in ms"); module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444); @@ -23,6 +25,9 @@ module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444); MODULE_PARM_DESC(heap_init_nr_pages, "heap buffer init number of pages"); module_param_named(heap_init_nr_pages, lima_heap_init_nr_pages, uint, 0444); +MODULE_PARM_DESC(max_error_tasks, "max number of error tasks to save"); +module_param_named(max_error_tasks, lima_max_error_tasks, uint, 0644); + static int lima_ioctl_get_param(struct drm_device *dev, void *data, struct drm_file *file) { struct drm_lima_get_param *args = data; @@ -272,6 +277,93 @@ static struct drm_driver lima_drm_driver = { .gem_prime_mmap = drm_gem_prime_mmap, }; +struct lima_block_reader { + void *dst; + size_t base; + size_t count; + size_t off; + ssize_t read; +}; + +static bool lima_read_block(struct lima_block_reader *reader, + void *src, size_t src_size) +{ + size_t max_off = reader->base + src_size; + + if (reader->off < max_off) { + size_t size = min_t(size_t, max_off - reader->off, + reader->count); + + memcpy(reader->dst, src + (reader->off - reader->base), size); + + reader->dst += size; + reader->off += size; + reader->read += size; + reader->count -= size; + } + + reader->base = max_off; + + return !!reader->count; +} + +static ssize_t lima_error_state_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = kobj_to_dev(kobj); + struct lima_device *ldev = dev_get_drvdata(dev); + struct lima_sched_error_task *et; + struct lima_block_reader reader = { + .dst = buf, + .count = count, + .off = off, + }; + + mutex_lock(&ldev->error_task_list_lock); + + if (lima_read_block(&reader, &ldev->dump, sizeof(ldev->dump))) { + list_for_each_entry(et, &ldev->error_task_list, list) { + if (!lima_read_block(&reader, et->data, et->size)) + break; + } + } + + mutex_unlock(&ldev->error_task_list_lock); + return reader.read; +} + +static ssize_t lima_error_state_write(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t off, size_t count) +{ + struct device *dev = kobj_to_dev(kobj); + struct lima_device *ldev = dev_get_drvdata(dev); + struct lima_sched_error_task *et, *tmp; + + mutex_lock(&ldev->error_task_list_lock); + + list_for_each_entry_safe(et, tmp, &ldev->error_task_list, list) { + list_del(&et->list); + kvfree(et); + } + + ldev->dump.size = 0; + ldev->dump.num_tasks = 0; + + mutex_unlock(&ldev->error_task_list_lock); + + return count; +} + +static const struct bin_attribute lima_error_state_attr = { + .attr.name = "error", + .attr.mode = 0600, + .size = 0, + .read = lima_error_state_read, + .write = lima_error_state_write, +}; + static int lima_pdev_probe(struct platform_device *pdev) { struct lima_device *ldev; @@ -306,18 +398,31 @@ static int lima_pdev_probe(struct platform_device *pdev) if (err) goto err_out1; + err = lima_devfreq_init(ldev); + if (err) { + dev_err(&pdev->dev, "Fatal error during devfreq init\n"); + goto err_out2; + } + /* * Register the DRM device with the core and the connectors with * sysfs. */ err = drm_dev_register(ddev, 0); if (err < 0) - goto err_out2; + goto err_out3; + + platform_set_drvdata(pdev, ldev); + + if (sysfs_create_bin_file(&ldev->dev->kobj, &lima_error_state_attr)) + dev_warn(ldev->dev, "fail to create error state sysfs\n"); return 0; -err_out2: +err_out3: lima_device_fini(ldev); +err_out2: + lima_devfreq_fini(ldev); err_out1: drm_dev_put(ddev); err_out0: @@ -330,7 +435,10 @@ static int lima_pdev_remove(struct platform_device *pdev) struct lima_device *ldev = platform_get_drvdata(pdev); struct drm_device *ddev = ldev->ddev; + sysfs_remove_bin_file(&ldev->dev->kobj, &lima_error_state_attr); + platform_set_drvdata(pdev, NULL); drm_dev_unregister(ddev); + lima_devfreq_fini(ldev); lima_device_fini(ldev); drm_dev_put(ddev); lima_sched_slab_fini(); diff --git a/drivers/gpu/drm/lima/lima_drv.h b/drivers/gpu/drm/lima/lima_drv.h index f492ecc6a5d9..fdbd4077c768 100644 --- a/drivers/gpu/drm/lima/lima_drv.h +++ b/drivers/gpu/drm/lima/lima_drv.h @@ -10,6 +10,7 @@ extern int lima_sched_timeout_ms; extern uint lima_heap_init_nr_pages; +extern uint lima_max_error_tasks; struct lima_vm; struct lima_bo; diff --git a/drivers/gpu/drm/lima/lima_dump.h b/drivers/gpu/drm/lima/lima_dump.h new file mode 100644 index 000000000000..ca243d99c51b --- /dev/null +++ b/drivers/gpu/drm/lima/lima_dump.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */ + +#ifndef __LIMA_DUMP_H__ +#define __LIMA_DUMP_H__ + +#include <linux/types.h> + +/** + * dump file format for all the information to start a lima task + * + * top level format + * | magic code "LIMA" | format version | num tasks | data size | + * | reserved | reserved | reserved | reserved | + * | task 1 ID | task 1 size | num chunks | reserved | task 1 data | + * | task 2 ID | task 2 size | num chunks | reserved | task 2 data | + * ... + * + * task data format + * | chunk 1 ID | chunk 1 size | reserved | reserved | chunk 1 data | + * | chunk 2 ID | chunk 2 size | reserved | reserved | chunk 2 data | + * ... + * + */ + +#define LIMA_DUMP_MAJOR 1 +#define LIMA_DUMP_MINOR 0 + +#define LIMA_DUMP_MAGIC 0x414d494c + +struct lima_dump_head { + __u32 magic; + __u16 version_major; + __u16 version_minor; + __u32 num_tasks; + __u32 size; + __u32 reserved[4]; +}; + +#define LIMA_DUMP_TASK_GP 0 +#define LIMA_DUMP_TASK_PP 1 +#define LIMA_DUMP_TASK_NUM 2 + +struct lima_dump_task { + __u32 id; + __u32 size; + __u32 num_chunks; + __u32 reserved; +}; + +#define LIMA_DUMP_CHUNK_FRAME 0 +#define LIMA_DUMP_CHUNK_BUFFER 1 +#define LIMA_DUMP_CHUNK_PROCESS_NAME 2 +#define LIMA_DUMP_CHUNK_PROCESS_ID 3 +#define LIMA_DUMP_CHUNK_NUM 4 + +struct lima_dump_chunk { + __u32 id; + __u32 size; + __u32 reserved[2]; +}; + +struct lima_dump_chunk_buffer { + __u32 id; + __u32 size; + __u32 va; + __u32 reserved; +}; + +struct lima_dump_chunk_pid { + __u32 id; + __u32 size; + __u32 pid; + __u32 reserved; +}; + +#endif diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c index 3886999b4533..a2db1c937424 100644 --- a/drivers/gpu/drm/lima/lima_sched.c +++ b/drivers/gpu/drm/lima/lima_sched.c @@ -3,14 +3,16 @@ #include <linux/kthread.h> #include <linux/slab.h> -#include <linux/xarray.h> +#include <linux/vmalloc.h> +#include "lima_devfreq.h" #include "lima_drv.h" #include "lima_sched.h" #include "lima_vm.h" #include "lima_mmu.h" #include "lima_l2_cache.h" #include "lima_gem.h" +#include "lima_trace.h" struct lima_fence { struct dma_fence base; @@ -176,6 +178,7 @@ struct dma_fence *lima_sched_context_queue_task(struct lima_sched_context *conte { struct dma_fence *fence = dma_fence_get(&task->base.s_fence->finished); + trace_lima_task_submit(task); drm_sched_entity_push_job(&task->base, &context->base); return fence; } @@ -214,6 +217,8 @@ static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job) */ ret = dma_fence_get(task->fence); + lima_devfreq_record_busy(&pipe->ldev->devfreq); + pipe->current_task = task; /* this is needed for MMU to work correctly, otherwise GP/PP @@ -250,12 +255,141 @@ static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job) if (last_vm) lima_vm_put(last_vm); + trace_lima_task_run(task); + pipe->error = false; pipe->task_run(pipe, task); return task->fence; } +static void lima_sched_build_error_task_list(struct lima_sched_task *task) +{ + struct lima_sched_error_task *et; + struct lima_sched_pipe *pipe = to_lima_pipe(task->base.sched); + struct lima_ip *ip = pipe->processor[0]; + int pipe_id = ip->id == lima_ip_gp ? lima_pipe_gp : lima_pipe_pp; + struct lima_device *dev = ip->dev; + struct lima_sched_context *sched_ctx = + container_of(task->base.entity, + struct lima_sched_context, base); + struct lima_ctx *ctx = + container_of(sched_ctx, struct lima_ctx, context[pipe_id]); + struct lima_dump_task *dt; + struct lima_dump_chunk *chunk; + struct lima_dump_chunk_pid *pid_chunk; + struct lima_dump_chunk_buffer *buffer_chunk; + u32 size, task_size, mem_size; + int i; + + mutex_lock(&dev->error_task_list_lock); + + if (dev->dump.num_tasks >= lima_max_error_tasks) { + dev_info(dev->dev, "fail to save task state: error task list is full\n"); + goto out; + } + + /* frame chunk */ + size = sizeof(struct lima_dump_chunk) + pipe->frame_size; + /* process name chunk */ + size += sizeof(struct lima_dump_chunk) + sizeof(ctx->pname); + /* pid chunk */ + size += sizeof(struct lima_dump_chunk); + /* buffer chunks */ + for (i = 0; i < task->num_bos; i++) { + struct lima_bo *bo = task->bos[i]; + + size += sizeof(struct lima_dump_chunk); + size += bo->heap_size ? bo->heap_size : lima_bo_size(bo); + } + + task_size = size + sizeof(struct lima_dump_task); + mem_size = task_size + sizeof(*et); + et = kvmalloc(mem_size, GFP_KERNEL); + if (!et) { + dev_err(dev->dev, "fail to alloc task dump buffer of size %x\n", + mem_size); + goto out; + } + + et->data = et + 1; + et->size = task_size; + + dt = et->data; + memset(dt, 0, sizeof(*dt)); + dt->id = pipe_id; + dt->size = size; + + chunk = (struct lima_dump_chunk *)(dt + 1); + memset(chunk, 0, sizeof(*chunk)); + chunk->id = LIMA_DUMP_CHUNK_FRAME; + chunk->size = pipe->frame_size; + memcpy(chunk + 1, task->frame, pipe->frame_size); + dt->num_chunks++; + + chunk = (void *)(chunk + 1) + chunk->size; + memset(chunk, 0, sizeof(*chunk)); + chunk->id = LIMA_DUMP_CHUNK_PROCESS_NAME; + chunk->size = sizeof(ctx->pname); + memcpy(chunk + 1, ctx->pname, sizeof(ctx->pname)); + dt->num_chunks++; + + pid_chunk = (void *)(chunk + 1) + chunk->size; + memset(pid_chunk, 0, sizeof(*pid_chunk)); + pid_chunk->id = LIMA_DUMP_CHUNK_PROCESS_ID; + pid_chunk->pid = ctx->pid; + dt->num_chunks++; + + buffer_chunk = (void *)(pid_chunk + 1) + pid_chunk->size; + for (i = 0; i < task->num_bos; i++) { + struct lima_bo *bo = task->bos[i]; + void *data; + + memset(buffer_chunk, 0, sizeof(*buffer_chunk)); + buffer_chunk->id = LIMA_DUMP_CHUNK_BUFFER; + buffer_chunk->va = lima_vm_get_va(task->vm, bo); + + if (bo->heap_size) { + buffer_chunk->size = bo->heap_size; + + data = vmap(bo->base.pages, bo->heap_size >> PAGE_SHIFT, + VM_MAP, pgprot_writecombine(PAGE_KERNEL)); + if (!data) { + kvfree(et); + goto out; + } + + memcpy(buffer_chunk + 1, data, buffer_chunk->size); + + vunmap(data); + } else { + buffer_chunk->size = lima_bo_size(bo); + + data = drm_gem_shmem_vmap(&bo->base.base); + if (IS_ERR_OR_NULL(data)) { + kvfree(et); + goto out; + } + + memcpy(buffer_chunk + 1, data, buffer_chunk->size); + + drm_gem_shmem_vunmap(&bo->base.base, data); + } + + buffer_chunk = (void *)(buffer_chunk + 1) + buffer_chunk->size; + dt->num_chunks++; + } + + list_add(&et->list, &dev->error_task_list); + dev->dump.size += et->size; + dev->dump.num_tasks++; + + dev_info(dev->dev, "save error task state success\n"); + +out: + mutex_unlock(&dev->error_task_list_lock); +} + static void lima_sched_timedout_job(struct drm_sched_job *job) { struct lima_sched_pipe *pipe = to_lima_pipe(job->sched); @@ -268,6 +402,8 @@ static void lima_sched_timedout_job(struct drm_sched_job *job) drm_sched_increase_karma(&task->base); + lima_sched_build_error_task_list(task); + pipe->task_error(pipe); if (pipe->bcast_mmu) @@ -285,6 +421,8 @@ static void lima_sched_timedout_job(struct drm_sched_job *job) pipe->current_vm = NULL; pipe->current_task = NULL; + lima_devfreq_record_idle(&pipe->ldev->devfreq); + drm_sched_resubmit_jobs(&pipe->base); drm_sched_start(&pipe->base, true); } @@ -364,5 +502,7 @@ void lima_sched_pipe_task_done(struct lima_sched_pipe *pipe) } else { pipe->task_fini(pipe); dma_fence_signal(task->fence); + + lima_devfreq_record_idle(&pipe->ldev->devfreq); } } diff --git a/drivers/gpu/drm/lima/lima_sched.h b/drivers/gpu/drm/lima/lima_sched.h index d64393fb50a9..90f03c48ef4a 100644 --- a/drivers/gpu/drm/lima/lima_sched.h +++ b/drivers/gpu/drm/lima/lima_sched.h @@ -5,9 +5,18 @@ #define __LIMA_SCHED_H__ #include <drm/gpu_scheduler.h> +#include <linux/list.h> +#include <linux/xarray.h> +struct lima_device; struct lima_vm; +struct lima_sched_error_task { + struct list_head list; + void *data; + u32 size; +}; + struct lima_sched_task { struct drm_sched_job base; @@ -44,6 +53,8 @@ struct lima_sched_pipe { u32 fence_seqno; spinlock_t fence_lock; + struct lima_device *ldev; + struct lima_sched_task *current_task; struct lima_vm *current_vm; diff --git a/drivers/gpu/drm/lima/lima_trace.c b/drivers/gpu/drm/lima/lima_trace.c new file mode 100644 index 000000000000..ea1c7289bebc --- /dev/null +++ b/drivers/gpu/drm/lima/lima_trace.c @@ -0,0 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */ + +#include "lima_sched.h" + +#define CREATE_TRACE_POINTS +#include "lima_trace.h" diff --git a/drivers/gpu/drm/lima/lima_trace.h b/drivers/gpu/drm/lima/lima_trace.h new file mode 100644 index 000000000000..3a430e93d384 --- /dev/null +++ b/drivers/gpu/drm/lima/lima_trace.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */ + +#if !defined(_LIMA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _LIMA_TRACE_H_ + +#include <linux/tracepoint.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM lima +#define TRACE_INCLUDE_FILE lima_trace + +DECLARE_EVENT_CLASS(lima_task, + TP_PROTO(struct lima_sched_task *task), + TP_ARGS(task), + TP_STRUCT__entry( + __field(uint64_t, task_id) + __field(unsigned int, context) + __field(unsigned int, seqno) + __string(pipe, task->base.sched->name) + ), + + TP_fast_assign( + __entry->task_id = task->base.id; + __entry->context = task->base.s_fence->finished.context; + __entry->seqno = task->base.s_fence->finished.seqno; + __assign_str(pipe, task->base.sched->name) + ), + + TP_printk("task=%llu, context=%u seqno=%u pipe=%s", + __entry->task_id, __entry->context, __entry->seqno, + __get_str(pipe)) +); + +DEFINE_EVENT(lima_task, lima_task_submit, + TP_PROTO(struct lima_sched_task *task), + TP_ARGS(task) +); + +DEFINE_EVENT(lima_task, lima_task_run, + TP_PROTO(struct lima_sched_task *task), + TP_ARGS(task) +); + +#endif + +/* This part must be outside protection */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/lima +#include <trace/define_trace.h> diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index f28cb7a576ba..88cc6b4a7a64 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -72,6 +72,7 @@ #include <drm/drm_gem.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> #include <drm/drm_panel.h> @@ -183,13 +184,13 @@ static int mcde_modeset_init(struct drm_device *drm) ret = drm_vblank_init(drm, 1); if (ret) { dev_err(drm->dev, "failed to init vblank\n"); - goto out_config; + return ret; } ret = mcde_display_init(drm); if (ret) { dev_err(drm->dev, "failed to init display\n"); - goto out_config; + return ret; } /* @@ -203,7 +204,7 @@ static int mcde_modeset_init(struct drm_device *drm) mcde->bridge); if (ret) { dev_err(drm->dev, "failed to attach display output bridge\n"); - goto out_config; + return ret; } drm_mode_config_reset(drm); @@ -211,19 +212,6 @@ static int mcde_modeset_init(struct drm_device *drm) drm_fbdev_generic_setup(drm, 32); return 0; - -out_config: - drm_mode_config_cleanup(drm); - return ret; -} - -static void mcde_release(struct drm_device *drm) -{ - struct mcde *mcde = drm->dev_private; - - drm_mode_config_cleanup(drm); - drm_dev_fini(drm); - kfree(mcde); } DEFINE_DRM_GEM_CMA_FOPS(drm_fops); @@ -231,7 +219,6 @@ DEFINE_DRM_GEM_CMA_FOPS(drm_fops); static struct drm_driver mcde_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC, - .release = mcde_release, .lastclose = drm_fb_helper_lastclose, .ioctls = NULL, .fops = &drm_fops, @@ -259,7 +246,9 @@ static int mcde_drm_bind(struct device *dev) struct drm_device *drm = dev_get_drvdata(dev); int ret; - drm_mode_config_init(drm); + ret = drmm_mode_config_init(drm); + if (ret) + return ret; ret = component_bind_all(drm->dev, drm); if (ret) { @@ -323,13 +312,14 @@ static int mcde_probe(struct platform_device *pdev) return -ENOMEM; mcde->dev = dev; - ret = drm_dev_init(&mcde->drm, &mcde_drm_driver, dev); + ret = devm_drm_dev_init(dev, &mcde->drm, &mcde_drm_driver); if (ret) { kfree(mcde); return ret; } drm = &mcde->drm; drm->dev_private = mcde; + drmm_add_final_kfree(drm, mcde); platform_set_drvdata(pdev, drm); /* Enable continuous updates: this is what Linux' framebuffer expects */ @@ -341,12 +331,12 @@ static int mcde_probe(struct platform_device *pdev) if (IS_ERR(mcde->epod)) { ret = PTR_ERR(mcde->epod); dev_err(dev, "can't get EPOD regulator\n"); - goto dev_unref; + return ret; } ret = regulator_enable(mcde->epod); if (ret) { dev_err(dev, "can't enable EPOD regulator\n"); - goto dev_unref; + return ret; } mcde->vana = devm_regulator_get(dev, "vana"); if (IS_ERR(mcde->vana)) { @@ -497,8 +487,6 @@ regulator_off: regulator_disable(mcde->vana); regulator_epod_off: regulator_disable(mcde->epod); -dev_unref: - drm_dev_put(drm); return ret; } @@ -512,7 +500,6 @@ static int mcde_remove(struct platform_device *pdev) clk_disable_unprepare(mcde->mcde_clk); regulator_disable(mcde->vana); regulator_disable(mcde->epod); - drm_dev_put(drm); return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 4f0ce4cd5b8c..52a3503edd8f 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -20,6 +20,7 @@ #include <drm/drm_bridge.h> #include <drm/drm_crtc.h> #include <drm/drm_of.h> +#include <drm/drm_simple_kms_helper.h> #include "mtk_dpi_regs.h" #include "mtk_drm_ddp_comp.h" @@ -509,15 +510,6 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, return 0; } -static void mtk_dpi_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs mtk_dpi_encoder_funcs = { - .destroy = mtk_dpi_encoder_destroy, -}; - static bool mtk_dpi_encoder_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -596,8 +588,8 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data) return ret; } - ret = drm_encoder_init(drm_dev, &dpi->encoder, &mtk_dpi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + ret = drm_simple_encoder_init(drm_dev, &dpi->encoder, + DRM_MODE_ENCODER_TMDS); if (ret) { dev_err(dev, "Failed to initialize decoder: %d\n", ret); goto err_unregister; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 0563c6813333..ce570283b55f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -162,7 +162,9 @@ static int mtk_drm_kms_init(struct drm_device *drm) } private->mutex_dev = &pdev->dev; - drm_mode_config_init(drm); + ret = drmm_mode_config_init(drm); + if (ret) + return ret; drm->mode_config.min_width = 64; drm->mode_config.min_height = 64; @@ -179,7 +181,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) ret = component_bind_all(drm->dev, drm); if (ret) - goto err_config_cleanup; + return ret; /* * We currently support two fixed data streams, each optional, @@ -255,8 +257,6 @@ err_unset_dma_parms: dma_dev->dma_parms = NULL; err_component_unbind: component_unbind_all(drm->dev, drm); -err_config_cleanup: - drm_mode_config_cleanup(drm); return ret; } @@ -272,7 +272,6 @@ static void mtk_drm_kms_deinit(struct drm_device *drm) private->dma_dev->dma_parms = NULL; component_unbind_all(drm->dev, drm); - drm_mode_config_cleanup(drm); } static const struct file_operations mtk_drm_fops = { @@ -348,9 +347,7 @@ static int mtk_drm_bind(struct device *dev) if (ret < 0) goto err_deinit; - ret = drm_fbdev_generic_setup(drm, 32); - if (ret) - DRM_ERROR("Failed to initialize fbdev: %d\n", ret); + drm_fbdev_generic_setup(drm, 32); return 0; diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 0ede69830a9d..a9a25087112f 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -22,6 +22,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "mtk_drm_ddp_comp.h" @@ -787,15 +788,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi) dsi->enabled = false; } -static void mtk_dsi_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs mtk_dsi_encoder_funcs = { - .destroy = mtk_dsi_encoder_destroy, -}; - static bool mtk_dsi_encoder_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -888,8 +880,8 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi) { int ret; - ret = drm_encoder_init(drm, &dsi->encoder, &mtk_dsi_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); + ret = drm_simple_encoder_init(drm, &dsi->encoder, + DRM_MODE_ENCODER_DSI); if (ret) { DRM_ERROR("Failed to encoder init to drm\n"); return ret; diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index b5f5eb7b4bb9..6f29fab79952 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -284,7 +284,9 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) /* Remove early framebuffers (ie. simplefb) */ meson_remove_framebuffers(); - drm_mode_config_init(drm); + ret = drmm_mode_config_init(drm); + if (ret) + goto free_drm; drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160; drm->mode_config.funcs = &meson_mode_config_funcs; @@ -379,7 +381,6 @@ static void meson_drv_unbind(struct device *dev) drm_dev_unregister(drm); drm_irq_uninstall(drm); drm_kms_helper_poll_fini(drm); - drm_mode_config_cleanup(drm); drm_dev_put(drm); } diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index 7a5bad2f57d7..3298b7ef18b0 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -77,6 +77,8 @@ static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto err_mgag200_driver_unload; + drm_fbdev_generic_setup(dev, 0); + return 0; err_mgag200_driver_unload: diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index e278b6a547bd..b680cf47cbb9 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -181,10 +181,6 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) dev_warn(&dev->pdev->dev, "Could not initialize cursors. Not doing hardware cursors.\n"); - r = drm_fbdev_generic_setup(mdev->dev, 0); - if (r) - goto err_modeset; - return 0; err_modeset: diff --git a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c index 075ecce4b5e0..8cae2ca4af6b 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c @@ -148,27 +148,19 @@ reset_set(void *data, u64 val) DEFINE_SIMPLE_ATTRIBUTE(reset_fops, NULL, reset_set, "%llx\n"); -int a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor) +void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor) { struct drm_device *dev; - int ret; if (!minor) - return 0; + return; dev = minor->dev; - ret = drm_debugfs_create_files(a5xx_debugfs_list, - ARRAY_SIZE(a5xx_debugfs_list), - minor->debugfs_root, minor); - - if (ret) { - DRM_DEV_ERROR(dev->dev, "could not install a5xx_debugfs_list\n"); - return ret; - } + drm_debugfs_create_files(a5xx_debugfs_list, + ARRAY_SIZE(a5xx_debugfs_list), + minor->debugfs_root, minor); debugfs_create_file("reset", S_IWUGO, minor->debugfs_root, dev, &reset_fops); - - return 0; } diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index 833468ce6b6d..54868d4e3958 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -41,7 +41,7 @@ struct a5xx_gpu { #define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base) #ifdef CONFIG_DEBUG_FS -int a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor); +void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor); #endif /* diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c index 47b989834af1..c902c6503675 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c @@ -259,17 +259,9 @@ static struct drm_info_list mdp5_debugfs_list[] = { static int mdp5_kms_debugfs_init(struct msm_kms *kms, struct drm_minor *minor) { - struct drm_device *dev = minor->dev; - int ret; - - ret = drm_debugfs_create_files(mdp5_debugfs_list, - ARRAY_SIZE(mdp5_debugfs_list), - minor->debugfs_root, minor); - - if (ret) { - DRM_DEV_ERROR(dev->dev, "could not install mdp5_debugfs_list\n"); - return ret; - } + drm_debugfs_create_files(mdp5_debugfs_list, + ARRAY_SIZE(mdp5_debugfs_list), + minor->debugfs_root, minor); return 0; } diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 1c74381a4fc9..ee2e270f464c 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -214,31 +214,20 @@ int msm_debugfs_late_init(struct drm_device *dev) return ret; } -int msm_debugfs_init(struct drm_minor *minor) +void msm_debugfs_init(struct drm_minor *minor) { struct drm_device *dev = minor->dev; struct msm_drm_private *priv = dev->dev_private; - int ret; - - ret = drm_debugfs_create_files(msm_debugfs_list, - ARRAY_SIZE(msm_debugfs_list), - minor->debugfs_root, minor); - if (ret) { - DRM_DEV_ERROR(dev->dev, "could not install msm_debugfs_list\n"); - return ret; - } + drm_debugfs_create_files(msm_debugfs_list, + ARRAY_SIZE(msm_debugfs_list), + minor->debugfs_root, minor); debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root, dev, &msm_gpu_fops); - if (priv->kms && priv->kms->funcs->debugfs_init) { - ret = priv->kms->funcs->debugfs_init(priv->kms, minor); - if (ret) - return ret; - } - - return ret; + if (priv->kms && priv->kms->funcs->debugfs_init) + priv->kms->funcs->debugfs_init(priv->kms, minor); } #endif diff --git a/drivers/gpu/drm/msm/msm_debugfs.h b/drivers/gpu/drm/msm/msm_debugfs.h index 2b91f8c178ad..ef58f66abbb3 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.h +++ b/drivers/gpu/drm/msm/msm_debugfs.h @@ -8,7 +8,7 @@ #define __MSM_DEBUGFS_H__ #ifdef CONFIG_DEBUG_FS -int msm_debugfs_init(struct drm_minor *minor); +void msm_debugfs_init(struct drm_minor *minor); #endif #endif /* __MSM_DEBUGFS_H__ */ diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index be5bc2e8425c..6ccae4ba905c 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -57,7 +57,7 @@ struct msm_gpu_funcs { void (*show)(struct msm_gpu *gpu, struct msm_gpu_state *state, struct drm_printer *p); /* for generation specific debugfs: */ - int (*debugfs_init)(struct msm_gpu *gpu, struct drm_minor *minor); + void (*debugfs_init)(struct msm_gpu *gpu, struct drm_minor *minor); #endif unsigned long (*gpu_busy)(struct msm_gpu *gpu); struct msm_gpu_state *(*gpu_state_get)(struct msm_gpu *gpu); diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 15a3d40edf02..63cb5e432f8a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -217,7 +217,7 @@ static const struct nouveau_debugfs_files { {"pstate", &nouveau_pstate_fops}, }; -int +void nouveau_drm_debugfs_init(struct drm_minor *minor) { struct nouveau_drm *drm = nouveau_drm(minor->dev); @@ -240,12 +240,10 @@ nouveau_drm_debugfs_init(struct drm_minor *minor) */ dentry = debugfs_lookup("vbios.rom", minor->debugfs_root); if (!dentry) - return 0; + return; d_inode(dentry)->i_size = drm->vbios.length; dput(dentry); - - return 0; } int diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h index 8909c010e8ea..77f0323b38ba 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.h +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.h @@ -18,15 +18,13 @@ nouveau_debugfs(struct drm_device *dev) return nouveau_drm(dev)->debugfs; } -extern int nouveau_drm_debugfs_init(struct drm_minor *); +extern void nouveau_drm_debugfs_init(struct drm_minor *); extern int nouveau_debugfs_init(struct nouveau_drm *); extern void nouveau_debugfs_fini(struct nouveau_drm *); #else -static inline int +static inline void nouveau_drm_debugfs_init(struct drm_minor *minor) -{ - return 0; -} +{} static inline int nouveau_debugfs_init(struct nouveau_drm *drm) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c index 03b355dabab3..abf3eda683f0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c @@ -36,8 +36,8 @@ probe_monitoring_device(struct nvkm_i2c_bus *bus, request_module("%s%s", I2C_MODULE_PREFIX, info->type); - client = i2c_new_device(&bus->i2c, info); - if (!client) + client = i2c_new_client_device(&bus->i2c, info); + if (IS_ERR(client)) return false; if (!client->dev.driver || diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c index 34dfb33145b4..b57fbe8a0ac2 100644 --- a/drivers/gpu/drm/omapdrm/omap_debugfs.c +++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c @@ -80,31 +80,16 @@ static struct drm_info_list omap_dmm_debugfs_list[] = { {"tiler_map", tiler_map_show, 0}, }; -int omap_debugfs_init(struct drm_minor *minor) +void omap_debugfs_init(struct drm_minor *minor) { - struct drm_device *dev = minor->dev; - int ret; - - ret = drm_debugfs_create_files(omap_debugfs_list, - ARRAY_SIZE(omap_debugfs_list), - minor->debugfs_root, minor); - - if (ret) { - dev_err(dev->dev, "could not install omap_debugfs_list\n"); - return ret; - } + drm_debugfs_create_files(omap_debugfs_list, + ARRAY_SIZE(omap_debugfs_list), + minor->debugfs_root, minor); if (dmm_is_available()) - ret = drm_debugfs_create_files(omap_dmm_debugfs_list, - ARRAY_SIZE(omap_dmm_debugfs_list), - minor->debugfs_root, minor); - - if (ret) { - dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n"); - return ret; - } - - return ret; + drm_debugfs_create_files(omap_dmm_debugfs_list, + ARRAY_SIZE(omap_dmm_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index 7c4b66efcaa7..8a1fac680138 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -82,6 +82,6 @@ struct omap_drm_private { }; -int omap_debugfs_init(struct drm_minor *minor); +void omap_debugfs_init(struct drm_minor *minor); #endif /* __OMAPDRM_DRV_H__ */ diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index a1723c1b5fbf..d56258b9fcaf 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -137,6 +137,17 @@ config DRM_PANEL_KINGDISPLAY_KD097D04 24 bit RGB per pixel. It provides a MIPI DSI interface to the host and has a built-in LED backlight. +config DRM_PANEL_LEADTEK_LTK050H3146W + tristate "Leadtek LTK050H3146W panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for Leadtek LTK050H3146W + TFT-LCD modules. The panel has a 720x1280 resolution and uses + 24 bit RGB per pixel. It provides a MIPI DSI interface to + the host and has a built-in LED backlight. + config DRM_PANEL_LEADTEK_LTK500HD1829 tristate "Leadtek LTK500HD1829 panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 96a883cd6630..2335a1e32ae0 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o +obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) += panel-leadtek-ltk050h3146w.o obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index 48a164257d18..f89861c8598a 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -696,6 +696,34 @@ static const struct panel_desc auo_b101uan08_3_desc = { .init_cmds = auo_b101uan08_3_init_cmd, }; +static const struct drm_display_mode boe_tv105wum_nw0_default_mode = { + .clock = 159260, + .hdisplay = 1200, + .hsync_start = 1200 + 80, + .hsync_end = 1200 + 80 + 24, + .htotal = 1200 + 80 + 24 + 60, + .vdisplay = 1920, + .vsync_start = 1920 + 10, + .vsync_end = 1920 + 10 + 2, + .vtotal = 1920 + 10 + 2 + 14, + .vrefresh = 60, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static const struct panel_desc boe_tv105wum_nw0_desc = { + .modes = &boe_tv105wum_nw0_default_mode, + .bpc = 8, + .size = { + .width_mm = 141, + .height_mm = 226, + }, + .lanes = 4, + .format = MIPI_DSI_FMT_RGB888, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | + MIPI_DSI_MODE_LPM, + .init_cmds = boe_init_cmd, +}; + static int boe_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -834,6 +862,9 @@ static const struct of_device_id boe_of_match[] = { { .compatible = "auo,b101uan08.3", .data = &auo_b101uan08_3_desc }, + { .compatible = "boe,tv105wum-nw0", + .data = &boe_tv105wum_nw0_desc + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, boe_of_match); diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c new file mode 100644 index 000000000000..5a7a31c8513e --- /dev/null +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c @@ -0,0 +1,691 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Theobroma Systems Design und Consulting GmbH + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/media-bus-format.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/regulator/consumer.h> + +#include <video/display_timing.h> +#include <video/mipi_display.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> +#include <drm/drm_print.h> + +struct ltk050h3146w_cmd { + char cmd; + char data; +}; + +struct ltk050h3146w; +struct ltk050h3146w_desc { + const struct drm_display_mode *mode; + int (*init)(struct ltk050h3146w *ctx); +}; + +struct ltk050h3146w { + struct device *dev; + struct drm_panel panel; + struct gpio_desc *reset_gpio; + struct regulator *vci; + struct regulator *iovcc; + const struct ltk050h3146w_desc *panel_desc; + bool prepared; +}; + +static const struct ltk050h3146w_cmd page1_cmds[] = { + { 0x22, 0x0A }, /* BGR SS GS */ + { 0x31, 0x00 }, /* column inversion */ + { 0x53, 0xA2 }, /* VCOM1 */ + { 0x55, 0xA2 }, /* VCOM2 */ + { 0x50, 0x81 }, /* VREG1OUT=5V */ + { 0x51, 0x85 }, /* VREG2OUT=-5V */ + { 0x62, 0x0D }, /* EQT Time setting */ +/* + * The vendor init selected page 1 here _again_ + * Is this supposed to be page 2? + */ + { 0xA0, 0x00 }, + { 0xA1, 0x1A }, + { 0xA2, 0x28 }, + { 0xA3, 0x13 }, + { 0xA4, 0x16 }, + { 0xA5, 0x29 }, + { 0xA6, 0x1D }, + { 0xA7, 0x1E }, + { 0xA8, 0x84 }, + { 0xA9, 0x1C }, + { 0xAA, 0x28 }, + { 0xAB, 0x75 }, + { 0xAC, 0x1A }, + { 0xAD, 0x19 }, + { 0xAE, 0x4D }, + { 0xAF, 0x22 }, + { 0xB0, 0x28 }, + { 0xB1, 0x54 }, + { 0xB2, 0x66 }, + { 0xB3, 0x39 }, + { 0xC0, 0x00 }, + { 0xC1, 0x1A }, + { 0xC2, 0x28 }, + { 0xC3, 0x13 }, + { 0xC4, 0x16 }, + { 0xC5, 0x29 }, + { 0xC6, 0x1D }, + { 0xC7, 0x1E }, + { 0xC8, 0x84 }, + { 0xC9, 0x1C }, + { 0xCA, 0x28 }, + { 0xCB, 0x75 }, + { 0xCC, 0x1A }, + { 0xCD, 0x19 }, + { 0xCE, 0x4D }, + { 0xCF, 0x22 }, + { 0xD0, 0x28 }, + { 0xD1, 0x54 }, + { 0xD2, 0x66 }, + { 0xD3, 0x39 }, +}; + +static const struct ltk050h3146w_cmd page3_cmds[] = { + { 0x01, 0x00 }, + { 0x02, 0x00 }, + { 0x03, 0x73 }, + { 0x04, 0x00 }, + { 0x05, 0x00 }, + { 0x06, 0x0a }, + { 0x07, 0x00 }, + { 0x08, 0x00 }, + { 0x09, 0x01 }, + { 0x0a, 0x00 }, + { 0x0b, 0x00 }, + { 0x0c, 0x01 }, + { 0x0d, 0x00 }, + { 0x0e, 0x00 }, + { 0x0f, 0x1d }, + { 0x10, 0x1d }, + { 0x11, 0x00 }, + { 0x12, 0x00 }, + { 0x13, 0x00 }, + { 0x14, 0x00 }, + { 0x15, 0x00 }, + { 0x16, 0x00 }, + { 0x17, 0x00 }, + { 0x18, 0x00 }, + { 0x19, 0x00 }, + { 0x1a, 0x00 }, + { 0x1b, 0x00 }, + { 0x1c, 0x00 }, + { 0x1d, 0x00 }, + { 0x1e, 0x40 }, + { 0x1f, 0x80 }, + { 0x20, 0x06 }, + { 0x21, 0x02 }, + { 0x22, 0x00 }, + { 0x23, 0x00 }, + { 0x24, 0x00 }, + { 0x25, 0x00 }, + { 0x26, 0x00 }, + { 0x27, 0x00 }, + { 0x28, 0x33 }, + { 0x29, 0x03 }, + { 0x2a, 0x00 }, + { 0x2b, 0x00 }, + { 0x2c, 0x00 }, + { 0x2d, 0x00 }, + { 0x2e, 0x00 }, + { 0x2f, 0x00 }, + { 0x30, 0x00 }, + { 0x31, 0x00 }, + { 0x32, 0x00 }, + { 0x33, 0x00 }, + { 0x34, 0x04 }, + { 0x35, 0x00 }, + { 0x36, 0x00 }, + { 0x37, 0x00 }, + { 0x38, 0x3C }, + { 0x39, 0x35 }, + { 0x3A, 0x01 }, + { 0x3B, 0x40 }, + { 0x3C, 0x00 }, + { 0x3D, 0x01 }, + { 0x3E, 0x00 }, + { 0x3F, 0x00 }, + { 0x40, 0x00 }, + { 0x41, 0x88 }, + { 0x42, 0x00 }, + { 0x43, 0x00 }, + { 0x44, 0x1F }, + { 0x50, 0x01 }, + { 0x51, 0x23 }, + { 0x52, 0x45 }, + { 0x53, 0x67 }, + { 0x54, 0x89 }, + { 0x55, 0xab }, + { 0x56, 0x01 }, + { 0x57, 0x23 }, + { 0x58, 0x45 }, + { 0x59, 0x67 }, + { 0x5a, 0x89 }, + { 0x5b, 0xab }, + { 0x5c, 0xcd }, + { 0x5d, 0xef }, + { 0x5e, 0x11 }, + { 0x5f, 0x01 }, + { 0x60, 0x00 }, + { 0x61, 0x15 }, + { 0x62, 0x14 }, + { 0x63, 0x0E }, + { 0x64, 0x0F }, + { 0x65, 0x0C }, + { 0x66, 0x0D }, + { 0x67, 0x06 }, + { 0x68, 0x02 }, + { 0x69, 0x07 }, + { 0x6a, 0x02 }, + { 0x6b, 0x02 }, + { 0x6c, 0x02 }, + { 0x6d, 0x02 }, + { 0x6e, 0x02 }, + { 0x6f, 0x02 }, + { 0x70, 0x02 }, + { 0x71, 0x02 }, + { 0x72, 0x02 }, + { 0x73, 0x02 }, + { 0x74, 0x02 }, + { 0x75, 0x01 }, + { 0x76, 0x00 }, + { 0x77, 0x14 }, + { 0x78, 0x15 }, + { 0x79, 0x0E }, + { 0x7a, 0x0F }, + { 0x7b, 0x0C }, + { 0x7c, 0x0D }, + { 0x7d, 0x06 }, + { 0x7e, 0x02 }, + { 0x7f, 0x07 }, + { 0x80, 0x02 }, + { 0x81, 0x02 }, + { 0x82, 0x02 }, + { 0x83, 0x02 }, + { 0x84, 0x02 }, + { 0x85, 0x02 }, + { 0x86, 0x02 }, + { 0x87, 0x02 }, + { 0x88, 0x02 }, + { 0x89, 0x02 }, + { 0x8A, 0x02 }, +}; + +static const struct ltk050h3146w_cmd page4_cmds[] = { + { 0x70, 0x00 }, + { 0x71, 0x00 }, + { 0x82, 0x0F }, /* VGH_MOD clamp level=15v */ + { 0x84, 0x0F }, /* VGH clamp level 15V */ + { 0x85, 0x0D }, /* VGL clamp level (-10V) */ + { 0x32, 0xAC }, + { 0x8C, 0x80 }, + { 0x3C, 0xF5 }, + { 0xB5, 0x07 }, /* GAMMA OP */ + { 0x31, 0x45 }, /* SOURCE OP */ + { 0x3A, 0x24 }, /* PS_EN OFF */ + { 0x88, 0x33 }, /* LVD */ +}; + +static inline +struct ltk050h3146w *panel_to_ltk050h3146w(struct drm_panel *panel) +{ + return container_of(panel, struct ltk050h3146w, panel); +} + +#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write(dsi, cmd, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + /* + * Init sequence was supplied by the panel vendor without much + * documentation. + */ + dsi_dcs_write_seq(dsi, 0xdf, 0x93, 0x65, 0xf8); + dsi_dcs_write_seq(dsi, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06, + 0x01); + dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0xb5); + dsi_dcs_write_seq(dsi, 0xb3, 0x00, 0xb5); + dsi_dcs_write_seq(dsi, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00); + + dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xc4, 0x23, 0x07); + dsi_dcs_write_seq(dsi, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f, + 0x28, 0x04, 0xcc, 0xcc, 0xcc); + dsi_dcs_write_seq(dsi, 0xbc, 0x0f, 0x04); + dsi_dcs_write_seq(dsi, 0xbe, 0x1e, 0xf2); + dsi_dcs_write_seq(dsi, 0xc0, 0x26, 0x03); + dsi_dcs_write_seq(dsi, 0xc1, 0x00, 0x12); + dsi_dcs_write_seq(dsi, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80, + 0x80); + dsi_dcs_write_seq(dsi, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f, + 0x16, 0x00, 0x00); + dsi_dcs_write_seq(dsi, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50, + 0x56, 0x41, 0x59, 0x57, 0x55, 0x70, 0x5b, 0x5f, + 0x4f, 0x47, 0x38, 0x23, 0x08, 0x7f, 0x72, 0x67, + 0x5d, 0x5d, 0x50, 0x56, 0x41, 0x59, 0x57, 0x55, + 0x70, 0x5b, 0x5f, 0x4f, 0x47, 0x38, 0x23, 0x08); + dsi_dcs_write_seq(dsi, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a, + 0x44, 0x46, 0x40, 0x1f, 0x42, 0x1f, 0x1f, 0x1f, + 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f); + dsi_dcs_write_seq(dsi, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b, + 0x45, 0x47, 0x41, 0x1f, 0x43, 0x1f, 0x1f, 0x1f, + 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f); + dsi_dcs_write_seq(dsi, 0xd2, 0x1f, 0x1e, 0x17, 0x18, 0x07, 0x05, + 0x0b, 0x09, 0x03, 0x1f, 0x01, 0x1f, 0x1f, 0x1f, + 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f); + dsi_dcs_write_seq(dsi, 0xd3, 0x1f, 0x1e, 0x17, 0x18, 0x06, 0x04, + 0x0a, 0x08, 0x02, 0x1f, 0x00, 0x1f, 0x1f, 0x1f, + 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f); + dsi_dcs_write_seq(dsi, 0xd4, 0x00, 0x00, 0x00, 0x0c, 0x06, 0x20, + 0x01, 0x02, 0x00, 0x60, 0x15, 0xb0, 0x30, 0x03, + 0x04, 0x00, 0x60, 0x72, 0x0a, 0x00, 0x60, 0x08); + dsi_dcs_write_seq(dsi, 0xd5, 0x00, 0x06, 0x06, 0x00, 0x30, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xbc, 0x50, 0x00, 0x05, + 0x21, 0x00, 0x60); + dsi_dcs_write_seq(dsi, 0xdd, 0x2c, 0xa3, 0x00); + dsi_dcs_write_seq(dsi, 0xde, 0x02); + dsi_dcs_write_seq(dsi, 0xb2, 0x32, 0x1c); + dsi_dcs_write_seq(dsi, 0xb7, 0x3b, 0x70, 0x00, 0x04); + dsi_dcs_write_seq(dsi, 0xc1, 0x11); + dsi_dcs_write_seq(dsi, 0xbb, 0x21, 0x22, 0x23, 0x24, 0x36, 0x37); + dsi_dcs_write_seq(dsi, 0xc2, 0x20, 0x38, 0x1e, 0x84); + dsi_dcs_write_seq(dsi, 0xde, 0x00); + + ret = mipi_dsi_dcs_set_tear_on(dsi, 1); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to set tear on: %d\n", + ret); + return ret; + } + + msleep(60); + + return 0; +} + +static const struct drm_display_mode ltk050h3146w_mode = { + .hdisplay = 720, + .hsync_start = 720 + 42, + .hsync_end = 720 + 42 + 8, + .htotal = 720 + 42 + 8 + 42, + .vdisplay = 1280, + .vsync_start = 1280 + 12, + .vsync_end = 1280 + 12 + 4, + .vtotal = 1280 + 12 + 4 + 18, + .clock = 64018, + .width_mm = 62, + .height_mm = 110, +}; + +static const struct ltk050h3146w_desc ltk050h3146w_data = { + .mode = <k050h3146w_mode, + .init = ltk050h3146w_init_sequence, +}; + +static int ltk050h3146w_a2_select_page(struct ltk050h3146w *ctx, int page) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + u8 d[3] = { 0x98, 0x81, page }; + + return mipi_dsi_dcs_write(dsi, 0xff, d, ARRAY_SIZE(d)); +} + +static int ltk050h3146w_a2_write_page(struct ltk050h3146w *ctx, int page, + const struct ltk050h3146w_cmd *cmds, + int num) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int i, ret; + + ret = ltk050h3146w_a2_select_page(ctx, page); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to select page %d: %d\n", + page, ret); + return ret; + } + + for (i = 0; i < num; i++) { + ret = mipi_dsi_generic_write(dsi, &cmds[i], + sizeof(struct ltk050h3146w_cmd)); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, + "failed to write page %d init cmds: %d\n", + page, ret); + return ret; + } + } + + return 0; +} + +static int ltk050h3146w_a2_init_sequence(struct ltk050h3146w *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + /* + * Init sequence was supplied by the panel vendor without much + * documentation. + */ + ret = ltk050h3146w_a2_write_page(ctx, 3, page3_cmds, + ARRAY_SIZE(page3_cmds)); + if (ret < 0) + return ret; + + ret = ltk050h3146w_a2_write_page(ctx, 4, page4_cmds, + ARRAY_SIZE(page4_cmds)); + if (ret < 0) + return ret; + + ret = ltk050h3146w_a2_write_page(ctx, 1, page1_cmds, + ARRAY_SIZE(page1_cmds)); + if (ret < 0) + return ret; + + ret = ltk050h3146w_a2_select_page(ctx, 0); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to select page 0: %d\n", ret); + return ret; + } + + /* vendor code called this without param, where there should be one */ + ret = mipi_dsi_dcs_set_tear_on(dsi, 0); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to set tear on: %d\n", + ret); + return ret; + } + + msleep(60); + + return 0; +} + +static const struct drm_display_mode ltk050h3146w_a2_mode = { + .hdisplay = 720, + .hsync_start = 720 + 42, + .hsync_end = 720 + 42 + 10, + .htotal = 720 + 42 + 10 + 60, + .vdisplay = 1280, + .vsync_start = 1280 + 18, + .vsync_end = 1280 + 18 + 4, + .vtotal = 1280 + 18 + 4 + 12, + .clock = 65595, + .width_mm = 62, + .height_mm = 110, +}; + +static const struct ltk050h3146w_desc ltk050h3146w_a2_data = { + .mode = <k050h3146w_a2_mode, + .init = ltk050h3146w_a2_init_sequence, +}; + +static int ltk050h3146w_unprepare(struct drm_panel *panel) +{ + struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + if (!ctx->prepared) + return 0; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to set display off: %d\n", + ret); + return ret; + } + + mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "failed to enter sleep mode: %d\n", + ret); + return ret; + } + + regulator_disable(ctx->iovcc); + regulator_disable(ctx->vci); + + ctx->prepared = false; + + return 0; +} + +static int ltk050h3146w_prepare(struct drm_panel *panel) +{ + struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + if (ctx->prepared) + return 0; + + DRM_DEV_DEBUG_DRIVER(ctx->dev, "Resetting the panel\n"); + ret = regulator_enable(ctx->vci); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, + "Failed to enable vci supply: %d\n", ret); + return ret; + } + ret = regulator_enable(ctx->iovcc); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, + "Failed to enable iovcc supply: %d\n", ret); + goto disable_vci; + } + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(20); + + ret = ctx->panel_desc->init(ctx); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n", + ret); + goto disable_iovcc; + } + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Failed to exit sleep mode: %d\n", ret); + goto disable_iovcc; + } + + /* T9: 120ms */ + msleep(120); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Failed to set display on: %d\n", ret); + goto disable_iovcc; + } + + msleep(50); + + ctx->prepared = true; + + return 0; + +disable_iovcc: + regulator_disable(ctx->iovcc); +disable_vci: + regulator_disable(ctx->vci); + return ret; +} + +static int ltk050h3146w_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, ctx->panel_desc->mode); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs ltk050h3146w_funcs = { + .unprepare = ltk050h3146w_unprepare, + .prepare = ltk050h3146w_prepare, + .get_modes = ltk050h3146w_get_modes, +}; + +static int ltk050h3146w_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct ltk050h3146w *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->panel_desc = of_device_get_match_data(dev); + if (!ctx->panel_desc) + return -EINVAL; + + ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) { + DRM_DEV_ERROR(dev, "cannot get reset gpio\n"); + return PTR_ERR(ctx->reset_gpio); + } + + ctx->vci = devm_regulator_get(dev, "vci"); + if (IS_ERR(ctx->vci)) { + ret = PTR_ERR(ctx->vci); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(dev, + "Failed to request vci regulator: %d\n", + ret); + return ret; + } + + ctx->iovcc = devm_regulator_get(dev, "iovcc"); + if (IS_ERR(ctx->iovcc)) { + ret = PTR_ERR(ctx->iovcc); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(dev, + "Failed to request iovcc regulator: %d\n", + ret); + return ret; + } + + mipi_dsi_set_drvdata(dsi, ctx); + + ctx->dev = dev; + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET; + + drm_panel_init(&ctx->panel, &dsi->dev, <k050h3146w_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "mipi_dsi_attach failed: %d\n", ret); + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; +} + +static void ltk050h3146w_shutdown(struct mipi_dsi_device *dsi) +{ + struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = drm_panel_unprepare(&ctx->panel); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n", + ret); + + ret = drm_panel_disable(&ctx->panel); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to disable panel: %d\n", + ret); +} + +static int ltk050h3146w_remove(struct mipi_dsi_device *dsi) +{ + struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ltk050h3146w_shutdown(dsi); + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to detach from DSI host: %d\n", + ret); + + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id ltk050h3146w_of_match[] = { + { + .compatible = "leadtek,ltk050h3146w", + .data = <k050h3146w_data, + }, + { + .compatible = "leadtek,ltk050h3146w-a2", + .data = <k050h3146w_a2_data, + }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ltk050h3146w_of_match); + +static struct mipi_dsi_driver ltk050h3146w_driver = { + .driver = { + .name = "panel-leadtek-ltk050h3146w", + .of_match_table = ltk050h3146w_of_match, + }, + .probe = ltk050h3146w_probe, + .remove = ltk050h3146w_remove, + .shutdown = ltk050h3146w_shutdown, +}; +module_mipi_dsi_driver(ltk050h3146w_driver); + +MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>"); +MODULE_DESCRIPTION("DRM driver for Leadtek LTK050H3146W MIPI DSI panel"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c index 76ecf2de9c44..113ab9c0396b 100644 --- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c @@ -377,7 +377,7 @@ static const struct drm_display_mode default_mode = { .vsync_end = 1280 + 30 + 4, .vtotal = 1280 + 30 + 4 + 12, .vrefresh = 60, - .clock = 41600, + .clock = 69217, .width_mm = 62, .height_mm = 110, }; diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c b/drivers/gpu/drm/panel/panel-novatek-nt39016.c index a470810f7dbe..05cae8d62d56 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c @@ -49,7 +49,8 @@ enum nt39016_regs { #define NT39016_SYSTEM_STANDBY BIT(1) struct nt39016_panel_info { - struct drm_display_mode display_mode; + const struct drm_display_mode *display_modes; + unsigned int num_modes; u16 width_mm, height_mm; u32 bus_format, bus_flags; }; @@ -212,15 +213,22 @@ static int nt39016_get_modes(struct drm_panel *drm_panel, struct nt39016 *panel = to_nt39016(drm_panel); const struct nt39016_panel_info *panel_info = panel->panel_info; struct drm_display_mode *mode; + unsigned int i; - mode = drm_mode_duplicate(connector->dev, &panel_info->display_mode); - if (!mode) - return -ENOMEM; + for (i = 0; i < panel_info->num_modes; i++) { + mode = drm_mode_duplicate(connector->dev, + &panel_info->display_modes[i]); + if (!mode) + return -ENOMEM; + + drm_mode_set_name(mode); - drm_mode_set_name(mode); + mode->type = DRM_MODE_TYPE_DRIVER; + if (panel_info->num_modes == 1) + mode->type |= DRM_MODE_TYPE_PREFERRED; - mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; - drm_mode_probed_add(connector, mode); + drm_mode_probed_add(connector, mode); + } connector->display_info.bpc = 8; connector->display_info.width_mm = panel_info->width_mm; @@ -230,7 +238,7 @@ static int nt39016_get_modes(struct drm_panel *drm_panel, &panel_info->bus_format, 1); connector->display_info.bus_flags = panel_info->bus_flags; - return 1; + return panel_info->num_modes; } static const struct drm_panel_funcs nt39016_funcs = { @@ -316,8 +324,8 @@ static int nt39016_remove(struct spi_device *spi) return 0; } -static const struct nt39016_panel_info kd035g6_info = { - .display_mode = { +static const struct drm_display_mode kd035g6_display_modes[] = { + { /* 60 Hz */ .clock = 6000, .hdisplay = 320, .hsync_start = 320 + 10, @@ -330,6 +338,24 @@ static const struct nt39016_panel_info kd035g6_info = { .vrefresh = 60, .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, }, + { /* 50 Hz */ + .clock = 5400, + .hdisplay = 320, + .hsync_start = 320 + 42, + .hsync_end = 320 + 42 + 50, + .htotal = 320 + 42 + 50 + 20, + .vdisplay = 240, + .vsync_start = 240 + 5, + .vsync_end = 240 + 5 + 1, + .vtotal = 240 + 5 + 1 + 4, + .vrefresh = 50, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, +}; + +static const struct nt39016_panel_info kd035g6_info = { + .display_modes = kd035g6_display_modes, + .num_modes = ARRAY_SIZE(kd035g6_display_modes), .width_mm = 71, .height_mm = 53, .bus_format = MEDIA_BUS_FMT_RGB888_1X24, diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 3ad828eaefe1..003b54ea90d5 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -3065,6 +3065,32 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = { .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; +static const struct drm_display_mode starry_kr070pe2t_mode = { + .clock = 33000, + .hdisplay = 800, + .hsync_start = 800 + 209, + .hsync_end = 800 + 209 + 1, + .htotal = 800 + 209 + 1 + 45, + .vdisplay = 480, + .vsync_start = 480 + 22, + .vsync_end = 480 + 22 + 1, + .vtotal = 480 + 22 + 1 + 22, + .vrefresh = 60, +}; + +static const struct panel_desc starry_kr070pe2t = { + .modes = &starry_kr070pe2t_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 152, + .height = 86, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE, + .connector_type = DRM_MODE_CONNECTOR_LVDS, +}; + static const struct drm_display_mode starry_kr122ea0sra_mode = { .clock = 147000, .hdisplay = 1920, @@ -3716,6 +3742,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "shelly,sca07010-bfn-lnn", .data = &shelly_sca07010_bfn_lnn, }, { + .compatible = "starry,kr070pe2t", + .data = &starry_kr070pe2t, + }, { .compatible = "starry,kr122ea0sra", .data = &starry_kr122ea0sra, }, { diff --git a/drivers/gpu/drm/pl111/pl111_debugfs.c b/drivers/gpu/drm/pl111/pl111_debugfs.c index 3c8e82016854..26ca8cdf3e60 100644 --- a/drivers/gpu/drm/pl111/pl111_debugfs.c +++ b/drivers/gpu/drm/pl111/pl111_debugfs.c @@ -51,10 +51,10 @@ static const struct drm_info_list pl111_debugfs_list[] = { {"regs", pl111_debugfs_regs, 0}, }; -int +void pl111_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(pl111_debugfs_list, - ARRAY_SIZE(pl111_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(pl111_debugfs_list, + ARRAY_SIZE(pl111_debugfs_list), + minor->debugfs_root, minor); } diff --git a/drivers/gpu/drm/pl111/pl111_drm.h b/drivers/gpu/drm/pl111/pl111_drm.h index 77d2da9a8a7c..ba399bcb792f 100644 --- a/drivers/gpu/drm/pl111/pl111_drm.h +++ b/drivers/gpu/drm/pl111/pl111_drm.h @@ -84,6 +84,6 @@ struct pl111_drm_dev_private { int pl111_display_init(struct drm_device *dev); irqreturn_t pl111_irq(int irq, void *data); -int pl111_debugfs_init(struct drm_minor *minor); +void pl111_debugfs_init(struct drm_minor *minor); #endif /* _PL111_DRM_H_ */ diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c index aa8aa8d9e405..f9ca0f3edbbb 100644 --- a/drivers/gpu/drm/pl111/pl111_drv.c +++ b/drivers/gpu/drm/pl111/pl111_drv.c @@ -90,10 +90,13 @@ static int pl111_modeset_init(struct drm_device *dev) struct drm_panel *panel = NULL; struct drm_bridge *bridge = NULL; bool defer = false; - int ret = 0; + int ret; int i; - drm_mode_config_init(dev); + ret = drmm_mode_config_init(dev); + if (ret) + return ret; + mode_config = &dev->mode_config; mode_config->funcs = &mode_config_funcs; mode_config->min_width = 1; @@ -154,7 +157,7 @@ static int pl111_modeset_init(struct drm_device *dev) DRM_MODE_CONNECTOR_Unknown); if (IS_ERR(bridge)) { ret = PTR_ERR(bridge); - goto out_config; + goto finish; } } else if (bridge) { dev_info(dev->dev, "Using non-panel bridge\n"); @@ -197,8 +200,6 @@ static int pl111_modeset_init(struct drm_device *dev) out_bridge: if (panel) drm_panel_bridge_remove(bridge); -out_config: - drm_mode_config_cleanup(dev); finish: return ret; } @@ -343,7 +344,6 @@ static int pl111_amba_remove(struct amba_device *amba_dev) drm_dev_unregister(drm); if (priv->panel) drm_panel_bridge_remove(priv->bridge); - drm_mode_config_cleanup(drm); drm_dev_put(drm); of_reserved_mem_device_release(dev); diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c index a4f4175bbdbe..88123047fdd4 100644 --- a/drivers/gpu/drm/qxl/qxl_debugfs.c +++ b/drivers/gpu/drm/qxl/qxl_debugfs.c @@ -79,36 +79,30 @@ static struct drm_info_list qxl_debugfs_list[] = { #define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list) #endif -int +void qxl_debugfs_init(struct drm_minor *minor) { #if defined(CONFIG_DEBUG_FS) - int r; struct qxl_device *dev = (struct qxl_device *) minor->dev->dev_private; drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES, minor->debugfs_root, minor); - r = qxl_ttm_debugfs_init(dev); - if (r) { - DRM_ERROR("Failed to init TTM debugfs\n"); - return r; - } + qxl_ttm_debugfs_init(dev); #endif - return 0; } -int qxl_debugfs_add_files(struct qxl_device *qdev, - struct drm_info_list *files, - unsigned int nfiles) +void qxl_debugfs_add_files(struct qxl_device *qdev, + struct drm_info_list *files, + unsigned int nfiles) { unsigned int i; for (i = 0; i < qdev->debugfs_count; i++) { if (qdev->debugfs[i].files == files) { /* Already registered */ - return 0; + return; } } @@ -116,7 +110,7 @@ int qxl_debugfs_add_files(struct qxl_device *qdev, if (i > QXL_DEBUGFS_MAX_COMPONENTS) { DRM_ERROR("Reached maximum number of debugfs components.\n"); DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n"); - return -EINVAL; + return; } qdev->debugfs[qdev->debugfs_count].files = files; qdev->debugfs[qdev->debugfs_count].num_files = nfiles; @@ -126,5 +120,4 @@ int qxl_debugfs_add_files(struct qxl_device *qdev, qdev->ddev.primary->debugfs_root, qdev->ddev.primary); #endif - return 0; } diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c index 4fda3f9b29f4..09102e2efabc 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.c +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -144,8 +144,6 @@ static void qxl_drm_release(struct drm_device *dev) */ qxl_modeset_fini(qdev); qxl_device_fini(qdev); - dev->dev_private = NULL; - kfree(qdev); } static void diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 27e45a2d6b52..435126facc9b 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -190,9 +190,6 @@ struct qxl_debugfs { unsigned int num_files; }; -int qxl_debugfs_add_files(struct qxl_device *rdev, - struct drm_info_list *files, - unsigned int nfiles); int qxl_debugfs_fence_init(struct qxl_device *rdev); struct qxl_device; @@ -442,8 +439,8 @@ int qxl_garbage_collect(struct qxl_device *qdev); /* debugfs */ -int qxl_debugfs_init(struct drm_minor *minor); -int qxl_ttm_debugfs_init(struct qxl_device *qdev); +void qxl_debugfs_init(struct drm_minor *minor); +void qxl_ttm_debugfs_init(struct qxl_device *qdev); /* qxl_prime.c */ int qxl_gem_prime_pin(struct drm_gem_object *obj); @@ -461,9 +458,9 @@ int qxl_gem_prime_mmap(struct drm_gem_object *obj, int qxl_irq_init(struct qxl_device *qdev); irqreturn_t qxl_irq_handler(int irq, void *arg); -int qxl_debugfs_add_files(struct qxl_device *qdev, - struct drm_info_list *files, - unsigned int nfiles); +void qxl_debugfs_add_files(struct qxl_device *qdev, + struct drm_info_list *files, + unsigned int nfiles); int qxl_surface_id_alloc(struct qxl_device *qdev, struct qxl_bo *surf); diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index 70b20ee4741a..9eed1a375f24 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -27,6 +27,7 @@ #include <linux/pci.h> #include <drm/drm_drv.h> +#include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include "qxl_drv.h" @@ -121,6 +122,7 @@ int qxl_device_init(struct qxl_device *qdev, qdev->ddev.pdev = pdev; pci_set_drvdata(pdev, &qdev->ddev); qdev->ddev.dev_private = qdev; + drmm_add_final_kfree(&qdev->ddev, qdev); mutex_init(&qdev->gem.mutex); mutex_init(&qdev->update_area_mutex); @@ -218,7 +220,7 @@ int qxl_device_init(struct qxl_device *qdev, &(qdev->ram_header->cursor_ring_hdr), sizeof(struct qxl_command), QXL_CURSOR_RING_SIZE, - qdev->io_base + QXL_IO_NOTIFY_CMD, + qdev->io_base + QXL_IO_NOTIFY_CURSOR, false, &qdev->cursor_event); diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c index 62a5e424971b..93a2eb14844b 100644 --- a/drivers/gpu/drm/qxl/qxl_ttm.c +++ b/drivers/gpu/drm/qxl/qxl_ttm.c @@ -322,7 +322,7 @@ static int qxl_mm_dump_table(struct seq_file *m, void *data) } #endif -int qxl_ttm_debugfs_init(struct qxl_device *qdev) +void qxl_ttm_debugfs_init(struct qxl_device *qdev) { #if defined(CONFIG_DEBUG_FS) static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES]; @@ -343,8 +343,6 @@ int qxl_ttm_debugfs_init(struct qxl_device *qdev) qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv; } - return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i); -#else - return 0; + qxl_debugfs_add_files(qdev, qxl_mem_types_list, i); #endif } diff --git a/drivers/gpu/drm/r128/ati_pcigart.c b/drivers/gpu/drm/r128/ati_pcigart.c index 9b4072f97215..3e76ae5a17ee 100644 --- a/drivers/gpu/drm/r128/ati_pcigart.c +++ b/drivers/gpu/drm/r128/ati_pcigart.c @@ -32,9 +32,10 @@ */ #include <linux/export.h> +#include <linux/pci.h> #include <drm/drm_device.h> -#include <drm/drm_pci.h> +#include <drm/drm_legacy.h> #include <drm/drm_print.h> #include "ati_pcigart.h" diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 848ef68d9086..5d2591725189 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2111,7 +2111,7 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev) ucOverdriveThermalController]; info.addr = power_info->info.ucOverdriveControllerAddress >> 1; strlcpy(info.type, name, sizeof(info.type)); - i2c_new_device(&rdev->pm.i2c_bus->adapter, &info); + i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info); } } num_modes = power_info->info.ucNumOfPowerModeEntries; @@ -2351,7 +2351,7 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r const char *name = pp_lib_thermal_controller_names[controller->ucType]; info.addr = controller->ucI2cAddress >> 1; strlcpy(info.type, name, sizeof(info.type)); - i2c_new_device(&rdev->pm.i2c_bus->adapter, &info); + i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info); } } else { DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n", diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index c3e49c973812..d3c04df7e75d 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -2704,7 +2704,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev) const char *name = thermal_controller_names[thermal_controller]; info.addr = i2c_addr >> 1; strlcpy(info.type, name, sizeof(info.type)); - i2c_new_device(&rdev->pm.i2c_bus->adapter, &info); + i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info); } } } else { @@ -2721,7 +2721,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev) const char *name = "f75375"; info.addr = 0x28; strlcpy(info.type, name, sizeof(info.type)); - i2c_new_device(&rdev->pm.i2c_bus->adapter, &info); + i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info); DRM_INFO("Possible %s thermal controller at 0x%02x\n", name, info.addr); } diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 59f8186a2415..bbb0883e8ce6 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -36,6 +36,7 @@ #include <linux/pm_runtime.h> #include <linux/vga_switcheroo.h> #include <linux/mmu_notifier.h> +#include <linux/pci.h> #include <drm/drm_agpsupport.h> #include <drm/drm_crtc_helper.h> @@ -44,7 +45,6 @@ #include <drm/drm_file.h> #include <drm/drm_gem.h> #include <drm/drm_ioctl.h> -#include <drm/drm_pci.h> #include <drm/drm_pciids.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 654e2dd08146..3e67cf70f040 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -530,7 +530,6 @@ static int rcar_du_remove(struct platform_device *pdev) drm_dev_unregister(ddev); drm_kms_helper_poll_fini(ddev); - drm_mode_config_cleanup(ddev); drm_dev_put(ddev); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index c07c6a88aff0..b0335da0c161 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -13,6 +13,7 @@ #include <drm/drm_crtc.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_panel.h> +#include <drm/drm_simple_kms_helper.h> #include "rcar_du_drv.h" #include "rcar_du_encoder.h" @@ -23,13 +24,6 @@ * Encoder */ -static const struct drm_encoder_helper_funcs encoder_helper_funcs = { -}; - -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static unsigned int rcar_du_encoder_count_ports(struct device_node *node) { struct device_node *ports; @@ -110,13 +104,11 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, } } - ret = drm_encoder_init(rcdu->ddev, encoder, &encoder_funcs, - DRM_MODE_ENCODER_NONE, NULL); + ret = drm_simple_encoder_init(rcdu->ddev, encoder, + DRM_MODE_ENCODER_NONE); if (ret < 0) goto done; - drm_encoder_helper_add(encoder, &encoder_helper_funcs); - /* * Attach the bridge to the encoder. The bridge will create the * connector. diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index fcfd916227d1..482329102f19 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -712,7 +712,9 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) unsigned int i; int ret; - drm_mode_config_init(dev); + ret = drmm_mode_config_init(dev); + if (ret) + return ret; dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index ce98c08aa8b4..ade2327a10e2 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -26,6 +26,7 @@ #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" @@ -258,10 +259,6 @@ static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = { .atomic_check = rockchip_dp_drm_encoder_atomic_check, }; -static struct drm_encoder_funcs rockchip_dp_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int rockchip_dp_of_probe(struct rockchip_dp_device *dp) { struct device *dev = dp->dev; @@ -309,8 +306,8 @@ static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp) dev->of_node); DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs); - ret = drm_encoder_init(drm_dev, encoder, &rockchip_dp_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + ret = drm_simple_encoder_init(drm_dev, encoder, + DRM_MODE_ENCODER_TMDS); if (ret) { DRM_ERROR("failed to initialize encoder with drm\n"); return ret; diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index eed594bd38d3..06f85138b51b 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -20,6 +20,7 @@ #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "cdn-dp-core.h" #include "cdn-dp-reg.h" @@ -689,10 +690,6 @@ static const struct drm_encoder_helper_funcs cdn_dp_encoder_helper_funcs = { .atomic_check = cdn_dp_encoder_atomic_check, }; -static const struct drm_encoder_funcs cdn_dp_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int cdn_dp_parse_dt(struct cdn_dp_device *dp) { struct device *dev = dp->dev; @@ -1030,8 +1027,8 @@ static int cdn_dp_bind(struct device *dev, struct device *master, void *data) dev->of_node); DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs); - ret = drm_encoder_init(drm_dev, encoder, &cdn_dp_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + ret = drm_simple_encoder_init(drm_dev, encoder, + DRM_MODE_ENCODER_TMDS); if (ret) { DRM_ERROR("failed to initialize encoder with drm\n"); return ret; diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 6e1270e45f97..3feff0c45b3f 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -21,6 +21,7 @@ #include <drm/bridge/dw_mipi_dsi.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_of.h> +#include <drm/drm_simple_kms_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" @@ -789,10 +790,6 @@ dw_mipi_dsi_encoder_helper_funcs = { .disable = dw_mipi_dsi_encoder_disable, }; -static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int rockchip_dsi_drm_create_encoder(struct dw_mipi_dsi_rockchip *dsi, struct drm_device *drm_dev) { @@ -802,8 +799,7 @@ static int rockchip_dsi_drm_create_encoder(struct dw_mipi_dsi_rockchip *dsi, encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev, dsi->dev->of_node); - ret = drm_encoder_init(drm_dev, encoder, &dw_mipi_dsi_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); + ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_DSI); if (ret) { DRM_ERROR("Failed to initialize encoder with drm\n"); return ret; diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 7f56d8c3491d..121aa8a63a76 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -14,6 +14,7 @@ #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" @@ -237,10 +238,6 @@ dw_hdmi_rockchip_mode_valid(struct drm_connector *connector, return (valid) ? MODE_OK : MODE_BAD; } -static const struct drm_encoder_funcs dw_hdmi_rockchip_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static void dw_hdmi_rockchip_encoder_disable(struct drm_encoder *encoder) { } @@ -546,8 +543,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, } drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs); - drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); platform_set_drvdata(pdev, hdmi); diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index e5864e823020..7afdc54eb3ec 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -19,6 +19,7 @@ #include <drm/drm_edid.h> #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" @@ -532,10 +533,6 @@ static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = { .atomic_check = inno_hdmi_encoder_atomic_check, }; -static struct drm_encoder_funcs inno_hdmi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static enum drm_connector_status inno_hdmi_connector_detect(struct drm_connector *connector, bool force) { @@ -617,8 +614,7 @@ static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi) return -EPROBE_DEFER; drm_encoder_helper_add(encoder, &inno_hdmi_encoder_helper_funcs); - drm_encoder_init(drm, encoder, &inno_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; diff --git a/drivers/gpu/drm/rockchip/rk3066_hdmi.c b/drivers/gpu/drm/rockchip/rk3066_hdmi.c index fe203d38664e..1c546c3a8998 100644 --- a/drivers/gpu/drm/rockchip/rk3066_hdmi.c +++ b/drivers/gpu/drm/rockchip/rk3066_hdmi.c @@ -6,6 +6,7 @@ #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <linux/clk.h> #include <linux/mfd/syscon.h> @@ -451,10 +452,6 @@ struct drm_encoder_helper_funcs rk3066_hdmi_encoder_helper_funcs = { .atomic_check = rk3066_hdmi_encoder_atomic_check, }; -static const struct drm_encoder_funcs rk3066_hdmi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static enum drm_connector_status rk3066_hdmi_connector_detect(struct drm_connector *connector, bool force) { @@ -557,8 +554,7 @@ rk3066_hdmi_register(struct drm_device *drm, struct rk3066_hdmi *hdmi) return -EPROBE_DEFER; drm_encoder_helper_add(encoder, &rk3066_hdmi_encoder_helper_funcs); - drm_encoder_init(drm, encoder, &rk3066_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 20ecb1508a22..0f3eb392fe39 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -135,14 +135,16 @@ static int rockchip_drm_bind(struct device *dev) if (ret) goto err_free; - drm_mode_config_init(drm_dev); + ret = drmm_mode_config_init(drm_dev); + if (ret) + goto err_iommu_cleanup; rockchip_drm_mode_config_init(drm_dev); /* Try to bind all sub drivers. */ ret = component_bind_all(dev, drm_dev); if (ret) - goto err_mode_config_cleanup; + goto err_iommu_cleanup; ret = drm_vblank_init(drm_dev, drm_dev->mode_config.num_crtc); if (ret) @@ -173,12 +175,9 @@ err_kms_helper_poll_fini: rockchip_drm_fbdev_fini(drm_dev); err_unbind_all: component_unbind_all(dev, drm_dev); -err_mode_config_cleanup: - drm_mode_config_cleanup(drm_dev); +err_iommu_cleanup: rockchip_iommu_cleanup(drm_dev); err_free: - drm_dev->dev_private = NULL; - dev_set_drvdata(dev, NULL); drm_dev_put(drm_dev); return ret; } @@ -194,11 +193,8 @@ static void rockchip_drm_unbind(struct device *dev) drm_atomic_helper_shutdown(drm_dev); component_unbind_all(dev, drm_dev); - drm_mode_config_cleanup(drm_dev); rockchip_iommu_cleanup(drm_dev); - drm_dev->dev_private = NULL; - dev_set_drvdata(dev, NULL); drm_dev_put(drm_dev); } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h index c5b06048124e..e33c2dcd0d4b 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h @@ -30,6 +30,7 @@ struct rockchip_crtc_state { int output_mode; int output_bpc; int output_flags; + bool enable_afbc; }; #define to_rockchip_crtc_state(s) \ container_of(s, struct rockchip_crtc_state, base) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 221e72e71432..9b13c784b347 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -57,8 +57,49 @@ static const struct drm_mode_config_helper_funcs rockchip_mode_config_helpers = .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, }; +static struct drm_framebuffer * +rockchip_fb_create(struct drm_device *dev, struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_afbc_framebuffer *afbc_fb; + const struct drm_format_info *info; + int ret; + + info = drm_get_format_info(dev, mode_cmd); + if (!info) + return ERR_PTR(-ENOMEM); + + afbc_fb = kzalloc(sizeof(*afbc_fb), GFP_KERNEL); + if (!afbc_fb) + return ERR_PTR(-ENOMEM); + + ret = drm_gem_fb_init_with_funcs(dev, &afbc_fb->base, file, mode_cmd, + &rockchip_drm_fb_funcs); + if (ret) { + kfree(afbc_fb); + return ERR_PTR(ret); + } + + if (drm_is_afbc(mode_cmd->modifier[0])) { + int ret, i; + + ret = drm_gem_fb_afbc_init(dev, mode_cmd, afbc_fb); + if (ret) { + struct drm_gem_object **obj = afbc_fb->base.obj; + + for (i = 0; i < info->num_planes; ++i) + drm_gem_object_put_unlocked(obj[i]); + + kfree(afbc_fb); + return ERR_PTR(ret); + } + } + + return &afbc_fb->base; +} + static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { - .fb_create = drm_gem_fb_create_with_dirty, + .fb_create = rockchip_fb_create, .output_poll_changed = drm_fb_helper_output_poll_changed, .atomic_check = drm_atomic_helper_check, .atomic_commit = drm_atomic_helper_commit, diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index cecb2cc781f5..b87d22eb6ae1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -91,9 +91,22 @@ #define VOP_WIN_TO_INDEX(vop_win) \ ((vop_win) - (vop_win)->vop->win) +#define VOP_AFBC_SET(vop, name, v) \ + do { \ + if ((vop)->data->afbc) \ + vop_reg_set((vop), &(vop)->data->afbc->name, \ + 0, ~0, v, #name); \ + } while (0) + #define to_vop(x) container_of(x, struct vop, crtc) #define to_vop_win(x) container_of(x, struct vop_win, base) +#define AFBC_FMT_RGB565 0x0 +#define AFBC_FMT_U8U8U8U8 0x5 +#define AFBC_FMT_U8U8U8 0x4 + +#define AFBC_TILE_16x16 BIT(4) + /* * The coefficients of the following matrix are all fixed points. * The format is S2.10 for the 3x3 part of the matrix, and S9.12 for the offsets. @@ -274,6 +287,29 @@ static enum vop_data_format vop_convert_format(uint32_t format) } } +static int vop_convert_afbc_format(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + return AFBC_FMT_U8U8U8U8; + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + return AFBC_FMT_U8U8U8; + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + return AFBC_FMT_RGB565; + /* either of the below should not be reachable */ + default: + DRM_WARN_ONCE("unsupported AFBC format[%08x]\n", format); + return -EINVAL; + } + + return -EINVAL; +} + static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src, uint32_t dst, bool is_horizontal, int vsu_mode, int *vskiplines) @@ -598,6 +634,17 @@ static int vop_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) vop_win_disable(vop, vop_win); } } + + if (vop->data->afbc) { + struct rockchip_crtc_state *s; + /* + * Disable AFBC and forget there was a vop window with AFBC + */ + VOP_AFBC_SET(vop, enable, 0); + s = to_rockchip_crtc_state(crtc->state); + s->enable_afbc = false; + } + spin_unlock(&vop->reg_lock); vop_cfg_done(vop); @@ -710,6 +757,26 @@ static void vop_plane_destroy(struct drm_plane *plane) drm_plane_cleanup(plane); } +static inline bool rockchip_afbc(u64 modifier) +{ + return modifier == ROCKCHIP_AFBC_MOD; +} + +static bool rockchip_mod_supported(struct drm_plane *plane, + u32 format, u64 modifier) +{ + if (modifier == DRM_FORMAT_MOD_LINEAR) + return true; + + if (!rockchip_afbc(modifier)) { + DRM_DEBUG_KMS("Unsupported format modifer 0x%llx\n", modifier); + + return false; + } + + return vop_convert_afbc_format(format) >= 0; +} + static int vop_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { @@ -758,6 +825,30 @@ static int vop_plane_atomic_check(struct drm_plane *plane, return -EINVAL; } + if (rockchip_afbc(fb->modifier)) { + struct vop *vop = to_vop(crtc); + + if (!vop->data->afbc) { + DRM_ERROR("vop does not support AFBC\n"); + return -EINVAL; + } + + ret = vop_convert_afbc_format(fb->format->format); + if (ret < 0) + return ret; + + if (state->src.x1 || state->src.y1) { + DRM_ERROR("AFBC does not support offset display, xpos=%d, ypos=%d, offset=%d\n", state->src.x1, state->src.y1, fb->offsets[0]); + return -EINVAL; + } + + if (state->rotation && state->rotation != DRM_MODE_ROTATE_0) { + DRM_ERROR("No rotation support in AFBC, rotation=%d\n", + state->rotation); + return -EINVAL; + } + } + return 0; } @@ -846,6 +937,16 @@ static void vop_plane_atomic_update(struct drm_plane *plane, spin_lock(&vop->reg_lock); + if (rockchip_afbc(fb->modifier)) { + int afbc_format = vop_convert_afbc_format(fb->format->format); + + VOP_AFBC_SET(vop, format, afbc_format | AFBC_TILE_16x16); + VOP_AFBC_SET(vop, hreg_block_split, 0); + VOP_AFBC_SET(vop, win_sel, VOP_WIN_TO_INDEX(vop_win)); + VOP_AFBC_SET(vop, hdr_ptr, dma_addr); + VOP_AFBC_SET(vop, pic_size, act_info); + } + VOP_WIN_SET(vop, win, format, format); VOP_WIN_SET(vop, win, yrgb_vir, DIV_ROUND_UP(fb->pitches[0], 4)); VOP_WIN_SET(vop, win, yrgb_mst, dma_addr); @@ -1001,6 +1102,7 @@ static const struct drm_plane_funcs vop_plane_funcs = { .reset = drm_atomic_helper_plane_reset, .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + .format_mod_supported = rockchip_mod_supported, }; static int vop_crtc_enable_vblank(struct drm_crtc *crtc) @@ -1310,6 +1412,10 @@ static int vop_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state) { struct vop *vop = to_vop(crtc); + struct drm_plane *plane; + struct drm_plane_state *plane_state; + struct rockchip_crtc_state *s; + int afbc_planes = 0; if (vop->lut_regs && crtc_state->color_mgmt_changed && crtc_state->gamma_lut) { @@ -1323,6 +1429,27 @@ static int vop_crtc_atomic_check(struct drm_crtc *crtc, } } + drm_atomic_crtc_state_for_each_plane(plane, crtc_state) { + plane_state = + drm_atomic_get_plane_state(crtc_state->state, plane); + if (IS_ERR(plane_state)) { + DRM_DEBUG_KMS("Cannot get plane state for plane %s\n", + plane->name); + return PTR_ERR(plane_state); + } + + if (drm_is_afbc(plane_state->fb->modifier)) + ++afbc_planes; + } + + if (afbc_planes > 1) { + DRM_DEBUG_KMS("Invalid number of AFBC planes; got %d, expected at most 1\n", afbc_planes); + return -EINVAL; + } + + s = to_rockchip_crtc_state(crtc_state); + s->enable_afbc = afbc_planes > 0; + return 0; } @@ -1333,6 +1460,7 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_plane_state *old_plane_state, *new_plane_state; struct vop *vop = to_vop(crtc); struct drm_plane *plane; + struct rockchip_crtc_state *s; int i; if (WARN_ON(!vop->is_enabled)) @@ -1340,6 +1468,9 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, spin_lock(&vop->reg_lock); + /* Enable AFBC if there is some AFBC window, disable otherwise. */ + s = to_rockchip_crtc_state(crtc->state); + VOP_AFBC_SET(vop, enable, s->enable_afbc); vop_cfg_done(vop); spin_unlock(&vop->reg_lock); @@ -1634,7 +1765,8 @@ static int vop_create_crtc(struct vop *vop) 0, &vop_plane_funcs, win_data->phy->data_formats, win_data->phy->nformats, - NULL, win_data->type, NULL); + win_data->phy->format_modifiers, + win_data->type, NULL); if (ret) { DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n", ret); @@ -1678,7 +1810,8 @@ static int vop_create_crtc(struct vop *vop) &vop_plane_funcs, win_data->phy->data_formats, win_data->phy->nformats, - NULL, win_data->type, NULL); + win_data->phy->format_modifiers, + win_data->type, NULL); if (ret) { DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n", ret); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index cc672620d6e0..d03bdb531ef2 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -17,6 +17,11 @@ #define NUM_YUV2YUV_COEFFICIENTS 12 +#define ROCKCHIP_AFBC_MOD \ + DRM_FORMAT_MOD_ARM_AFBC( \ + AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | AFBC_FORMAT_MOD_SPARSE \ + ) + enum vop_data_format { VOP_FMT_ARGB8888 = 0, VOP_FMT_RGB888, @@ -34,6 +39,16 @@ struct vop_reg { bool relaxed; }; +struct vop_afbc { + struct vop_reg enable; + struct vop_reg win_sel; + struct vop_reg format; + struct vop_reg hreg_block_split; + struct vop_reg pic_size; + struct vop_reg hdr_ptr; + struct vop_reg rstn; +}; + struct vop_modeset { struct vop_reg htotal_pw; struct vop_reg hact_st_end; @@ -134,6 +149,7 @@ struct vop_win_phy { const struct vop_scl_regs *scl; const uint32_t *data_formats; uint32_t nformats; + const uint64_t *format_modifiers; struct vop_reg enable; struct vop_reg gate; @@ -173,6 +189,7 @@ struct vop_data { const struct vop_misc *misc; const struct vop_modeset *modeset; const struct vop_output *output; + const struct vop_afbc *afbc; const struct vop_win_yuv2yuv_data *win_yuv2yuv; const struct vop_win_data *win; unsigned int win_size; diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c index 449a62908d21..63f967902c2d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_lvds.c +++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c @@ -16,13 +16,14 @@ #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/reset.h> + #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> - #include <drm/drm_dp_helper.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" @@ -435,10 +436,6 @@ struct drm_encoder_helper_funcs px30_lvds_encoder_helper_funcs = { .atomic_check = rockchip_lvds_encoder_atomic_check, }; -static const struct drm_encoder_funcs rockchip_lvds_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int rk3288_lvds_probe(struct platform_device *pdev, struct rockchip_lvds *lvds) { @@ -607,8 +604,7 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master, encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev, dev->of_node); - ret = drm_encoder_init(drm_dev, encoder, &rockchip_lvds_encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_LVDS); if (ret < 0) { DRM_DEV_ERROR(drm_dev->dev, "failed to initialize encoder: %d\n", ret); diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c index 90784781e515..9a771af5d0c9 100644 --- a/drivers/gpu/drm/rockchip/rockchip_rgb.c +++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c @@ -14,6 +14,7 @@ #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_vop.h" @@ -67,10 +68,6 @@ struct drm_encoder_helper_funcs rockchip_rgb_encoder_helper_funcs = { .atomic_check = rockchip_rgb_encoder_atomic_check, }; -static const struct drm_encoder_funcs rockchip_rgb_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - struct rockchip_rgb *rockchip_rgb_init(struct device *dev, struct drm_crtc *crtc, struct drm_device *drm_dev) @@ -126,8 +123,7 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev, encoder = &rgb->encoder; encoder->possible_crtcs = drm_crtc_mask(crtc); - ret = drm_encoder_init(drm_dev, encoder, &rockchip_rgb_encoder_funcs, - DRM_MODE_ENCODER_NONE, NULL); + ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_NONE); if (ret < 0) { DRM_DEV_ERROR(drm_dev->dev, "failed to initialize encoder: %d\n", ret); diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 7a9d979c8d5d..2413deded22c 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -50,6 +50,17 @@ static const uint32_t formats_win_full[] = { DRM_FORMAT_NV24, }; +static const uint64_t format_modifiers_win_full[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + +static const uint64_t format_modifiers_win_full_afbc[] = { + ROCKCHIP_AFBC_MOD, + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + static const uint32_t formats_win_lite[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, @@ -61,6 +72,11 @@ static const uint32_t formats_win_lite[] = { DRM_FORMAT_BGR565, }; +static const uint64_t format_modifiers_win_lite[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + static const struct vop_scl_regs rk3036_win_scl = { .scale_yrgb_x = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0), .scale_yrgb_y = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 16), @@ -72,6 +88,7 @@ static const struct vop_win_phy rk3036_win0_data = { .scl = &rk3036_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 0), .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 3), .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 15), @@ -87,6 +104,7 @@ static const struct vop_win_phy rk3036_win0_data = { static const struct vop_win_phy rk3036_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1), .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6), .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19), @@ -153,6 +171,7 @@ static const struct vop_data rk3036_vop = { static const struct vop_win_phy rk3126_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1), .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6), .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19), @@ -234,6 +253,7 @@ static const struct vop_win_phy px30_win0_data = { .scl = &px30_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(PX30_WIN0_CTRL0, 0x1, 0), .format = VOP_REG(PX30_WIN0_CTRL0, 0x7, 1), .rb_swap = VOP_REG(PX30_WIN0_CTRL0, 0x1, 12), @@ -249,6 +269,7 @@ static const struct vop_win_phy px30_win0_data = { static const struct vop_win_phy px30_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(PX30_WIN1_CTRL0, 0x1, 0), .format = VOP_REG(PX30_WIN1_CTRL0, 0x7, 4), .rb_swap = VOP_REG(PX30_WIN1_CTRL0, 0x1, 12), @@ -261,6 +282,7 @@ static const struct vop_win_phy px30_win1_data = { static const struct vop_win_phy px30_win2_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .gate = VOP_REG(PX30_WIN2_CTRL0, 0x1, 4), .enable = VOP_REG(PX30_WIN2_CTRL0, 0x1, 0), .format = VOP_REG(PX30_WIN2_CTRL0, 0x3, 5), @@ -316,6 +338,7 @@ static const struct vop_win_phy rk3066_win0_data = { .scl = &rk3066_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 0), .format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 4), .rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 19), @@ -332,6 +355,7 @@ static const struct vop_win_phy rk3066_win1_data = { .scl = &rk3066_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 1), .format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 7), .rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 23), @@ -347,6 +371,7 @@ static const struct vop_win_phy rk3066_win1_data = { static const struct vop_win_phy rk3066_win2_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 2), .format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 10), .rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 27), @@ -426,6 +451,7 @@ static const struct vop_win_phy rk3188_win0_data = { .scl = &rk3188_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 0), .format = VOP_REG(RK3188_SYS_CTRL, 0x7, 3), .rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 15), @@ -440,6 +466,7 @@ static const struct vop_win_phy rk3188_win0_data = { static const struct vop_win_phy rk3188_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 1), .format = VOP_REG(RK3188_SYS_CTRL, 0x7, 6), .rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 19), @@ -545,6 +572,7 @@ static const struct vop_win_phy rk3288_win01_data = { .scl = &rk3288_win_full_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0), .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1), .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12), @@ -563,6 +591,7 @@ static const struct vop_win_phy rk3288_win01_data = { static const struct vop_win_phy rk3288_win23_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 4), .gate = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 0), .format = VOP_REG(RK3288_WIN2_CTRL0, 0x7, 1), @@ -677,6 +706,7 @@ static const struct vop_win_phy rk3368_win01_data = { .scl = &rk3288_win_full_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3368_WIN0_CTRL0, 0x1, 0), .format = VOP_REG(RK3368_WIN0_CTRL0, 0x7, 1), .rb_swap = VOP_REG(RK3368_WIN0_CTRL0, 0x1, 12), @@ -697,6 +727,7 @@ static const struct vop_win_phy rk3368_win01_data = { static const struct vop_win_phy rk3368_win23_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .gate = VOP_REG(RK3368_WIN2_CTRL0, 0x1, 0), .enable = VOP_REG(RK3368_WIN2_CTRL0, 0x1, 4), .format = VOP_REG(RK3368_WIN2_CTRL0, 0x3, 5), @@ -817,6 +848,53 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_big_win_yuv2yuv_data[] = { .y2r_en = VOP_REG(RK3399_YUV2YUV_WIN, 0x1, 9) }, { .base = 0xC0, .phy = &rk3399_yuv2yuv_win23_data }, { .base = 0x120, .phy = &rk3399_yuv2yuv_win23_data }, + +}; + +static const struct vop_win_phy rk3399_win01_data = { + .scl = &rk3288_win_full_scl, + .data_formats = formats_win_full, + .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full_afbc, + .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0), + .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12), + .y_mir_en = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 22), + .act_info = VOP_REG(RK3288_WIN0_ACT_INFO, 0x1fff1fff, 0), + .dsp_info = VOP_REG(RK3288_WIN0_DSP_INFO, 0x0fff0fff, 0), + .dsp_st = VOP_REG(RK3288_WIN0_DSP_ST, 0x1fff1fff, 0), + .yrgb_mst = VOP_REG(RK3288_WIN0_YRGB_MST, 0xffffffff, 0), + .uv_mst = VOP_REG(RK3288_WIN0_CBR_MST, 0xffffffff, 0), + .yrgb_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 0), + .uv_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 16), + .src_alpha_ctl = VOP_REG(RK3288_WIN0_SRC_ALPHA_CTRL, 0xff, 0), + .dst_alpha_ctl = VOP_REG(RK3288_WIN0_DST_ALPHA_CTRL, 0xff, 0), +}; + +/* + * rk3399 vop big windows register layout is same as rk3288, but we + * have a separate rk3399 win data array here so that we can advertise + * AFBC on the primary plane. + */ +static const struct vop_win_data rk3399_vop_win_data[] = { + { .base = 0x00, .phy = &rk3399_win01_data, + .type = DRM_PLANE_TYPE_PRIMARY }, + { .base = 0x40, .phy = &rk3288_win01_data, + .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x00, .phy = &rk3288_win23_data, + .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &rk3288_win23_data, + .type = DRM_PLANE_TYPE_CURSOR }, +}; + +static const struct vop_afbc rk3399_vop_afbc = { + .rstn = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 3), + .enable = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 0), + .win_sel = VOP_REG(RK3399_AFBCD0_CTRL, 0x3, 1), + .format = VOP_REG(RK3399_AFBCD0_CTRL, 0x1f, 16), + .hreg_block_split = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 21), + .hdr_ptr = VOP_REG(RK3399_AFBCD0_HDR_PTR, 0xffffffff, 0), + .pic_size = VOP_REG(RK3399_AFBCD0_PIC_SIZE, 0xffffffff, 0), }; static const struct vop_data rk3399_vop_big = { @@ -826,9 +904,10 @@ static const struct vop_data rk3399_vop_big = { .common = &rk3288_common, .modeset = &rk3288_modeset, .output = &rk3399_output, + .afbc = &rk3399_vop_afbc, .misc = &rk3368_misc, - .win = rk3368_vop_win_data, - .win_size = ARRAY_SIZE(rk3368_vop_win_data), + .win = rk3399_vop_win_data, + .win_size = ARRAY_SIZE(rk3399_vop_win_data), .win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data, }; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index 75a752d59ef1..03556dbfcafb 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -17,6 +17,7 @@ #include <drm/drm_gem_cma_helper.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <drm/drm_vblank.h> #include "shmob_drm_backlight.h" @@ -558,15 +559,6 @@ static const struct drm_encoder_helper_funcs encoder_helper_funcs = { .mode_set = shmob_drm_encoder_mode_set, }; -static void shmob_drm_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = shmob_drm_encoder_destroy, -}; - int shmob_drm_encoder_create(struct shmob_drm_device *sdev) { struct drm_encoder *encoder = &sdev->encoder.encoder; @@ -576,8 +568,8 @@ int shmob_drm_encoder_create(struct shmob_drm_device *sdev) encoder->possible_crtcs = 1; - ret = drm_encoder_init(sdev->ddev, encoder, &encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + ret = drm_simple_encoder_init(sdev->ddev, encoder, + DRM_MODE_ENCODER_LVDS); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c index b8c0930959c7..ae9d6b8d3ca8 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c @@ -192,7 +192,6 @@ static int shmob_drm_remove(struct platform_device *pdev) drm_dev_unregister(ddev); drm_kms_helper_poll_fini(ddev); - drm_mode_config_cleanup(ddev); drm_irq_uninstall(ddev); drm_dev_put(ddev); @@ -288,7 +287,6 @@ err_irq_uninstall: drm_irq_uninstall(ddev); err_modeset_cleanup: drm_kms_helper_poll_fini(ddev); - drm_mode_config_cleanup(ddev); err_free_drm_dev: drm_dev_put(ddev); diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/shmobile/shmob_drm_kms.c index c51197b6fd85..7a866d6ce6bb 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_kms.c @@ -126,7 +126,11 @@ static const struct drm_mode_config_funcs shmob_drm_mode_config_funcs = { int shmob_drm_modeset_init(struct shmob_drm_device *sdev) { - drm_mode_config_init(sdev->ddev); + int ret; + + ret = drmm_mode_config_init(sdev->ddev); + if (ret) + return ret; shmob_drm_crtc_create(sdev); shmob_drm_encoder_create(sdev); diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c index c7652584255d..319962a2c17b 100644 --- a/drivers/gpu/drm/sti/sti_compositor.c +++ b/drivers/gpu/drm/sti/sti_compositor.c @@ -42,8 +42,8 @@ static const struct sti_compositor_data stih407_compositor_data = { }, }; -int sti_compositor_debugfs_init(struct sti_compositor *compo, - struct drm_minor *minor) +void sti_compositor_debugfs_init(struct sti_compositor *compo, + struct drm_minor *minor) { unsigned int i; @@ -54,8 +54,6 @@ int sti_compositor_debugfs_init(struct sti_compositor *compo, for (i = 0; i < STI_MAX_MIXER; i++) if (compo->mixer[i]) sti_mixer_debugfs_init(compo->mixer[i], minor); - - return 0; } static int sti_compositor_bind(struct device *dev, diff --git a/drivers/gpu/drm/sti/sti_compositor.h b/drivers/gpu/drm/sti/sti_compositor.h index ac4bb3834810..25bb01bdd013 100644 --- a/drivers/gpu/drm/sti/sti_compositor.h +++ b/drivers/gpu/drm/sti/sti_compositor.h @@ -79,7 +79,7 @@ struct sti_compositor { struct notifier_block vtg_vblank_nb[STI_MAX_MIXER]; }; -int sti_compositor_debugfs_init(struct sti_compositor *compo, - struct drm_minor *minor); +void sti_compositor_debugfs_init(struct sti_compositor *compo, + struct drm_minor *minor); #endif diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c index 49e6cb8f5836..6f37c104c46f 100644 --- a/drivers/gpu/drm/sti/sti_crtc.c +++ b/drivers/gpu/drm/sti/sti_crtc.c @@ -319,7 +319,7 @@ static int sti_crtc_late_register(struct drm_crtc *crtc) struct sti_compositor *compo = dev_get_drvdata(mixer->dev); if (drm_crtc_index(crtc) == 0) - return sti_compositor_debugfs_init(compo, crtc->dev->primary); + sti_compositor_debugfs_init(compo, crtc->dev->primary); return 0; } diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c index ea64c1dcaf63..a98057431023 100644 --- a/drivers/gpu/drm/sti/sti_cursor.c +++ b/drivers/gpu/drm/sti/sti_cursor.c @@ -131,17 +131,17 @@ static struct drm_info_list cursor_debugfs_files[] = { { "cursor", cursor_dbg_show, 0, NULL }, }; -static int cursor_debugfs_init(struct sti_cursor *cursor, - struct drm_minor *minor) +static void cursor_debugfs_init(struct sti_cursor *cursor, + struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(cursor_debugfs_files); i++) cursor_debugfs_files[i].data = cursor; - return drm_debugfs_create_files(cursor_debugfs_files, - ARRAY_SIZE(cursor_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(cursor_debugfs_files, + ARRAY_SIZE(cursor_debugfs_files), + minor->debugfs_root, minor); } static void sti_cursor_argb8888_to_clut8(struct sti_cursor *cursor, u32 *src) @@ -342,7 +342,9 @@ static int sti_cursor_late_register(struct drm_plane *drm_plane) struct sti_plane *plane = to_sti_plane(drm_plane); struct sti_cursor *cursor = to_sti_cursor(plane); - return cursor_debugfs_init(cursor, drm_plane->dev->primary); + cursor_debugfs_init(cursor, drm_plane->dev->primary); + + return 0; } static const struct drm_plane_funcs sti_cursor_plane_helpers_funcs = { diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index 50870d8cbb76..3f9db3e3f397 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -92,24 +92,16 @@ static struct drm_info_list sti_drm_dbg_list[] = { {"fps_get", sti_drm_fps_dbg_show, 0}, }; -static int sti_drm_dbg_init(struct drm_minor *minor) +static void sti_drm_dbg_init(struct drm_minor *minor) { - int ret; - - ret = drm_debugfs_create_files(sti_drm_dbg_list, - ARRAY_SIZE(sti_drm_dbg_list), - minor->debugfs_root, minor); - if (ret) - goto err; + drm_debugfs_create_files(sti_drm_dbg_list, + ARRAY_SIZE(sti_drm_dbg_list), + minor->debugfs_root, minor); debugfs_create_file("fps_show", S_IRUGO | S_IWUSR, minor->debugfs_root, minor->dev, &sti_drm_fps_fops); DRM_INFO("%s: debugfs installed\n", DRIVER_NAME); - return 0; -err: - DRM_ERROR("%s: cannot install debugfs\n", DRIVER_NAME); - return ret; } static const struct drm_mode_config_funcs sti_mode_config_funcs = { diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c index 3d04bfca21a0..de4af7735c46 100644 --- a/drivers/gpu/drm/sti/sti_dvo.c +++ b/drivers/gpu/drm/sti/sti_dvo.c @@ -196,16 +196,16 @@ static struct drm_info_list dvo_debugfs_files[] = { { "dvo", dvo_dbg_show, 0, NULL }, }; -static int dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor) +static void dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(dvo_debugfs_files); i++) dvo_debugfs_files[i].data = dvo; - return drm_debugfs_create_files(dvo_debugfs_files, - ARRAY_SIZE(dvo_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(dvo_debugfs_files, + ARRAY_SIZE(dvo_debugfs_files), + minor->debugfs_root, minor); } static void sti_dvo_disable(struct drm_bridge *bridge) @@ -405,10 +405,7 @@ static int sti_dvo_late_register(struct drm_connector *connector) = to_sti_dvo_connector(connector); struct sti_dvo *dvo = dvo_connector->dvo; - if (dvo_debugfs_init(dvo, dvo->drm_dev->primary)) { - DRM_ERROR("DVO debugfs setup failed\n"); - return -EINVAL; - } + dvo_debugfs_init(dvo, dvo->drm_dev->primary); return 0; } diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c index 11595c748844..2d5a2b5b78b8 100644 --- a/drivers/gpu/drm/sti/sti_gdp.c +++ b/drivers/gpu/drm/sti/sti_gdp.c @@ -343,9 +343,10 @@ static int gdp_debugfs_init(struct sti_gdp *gdp, struct drm_minor *minor) for (i = 0; i < nb_files; i++) gdp_debugfs_files[i].data = gdp; - return drm_debugfs_create_files(gdp_debugfs_files, - nb_files, - minor->debugfs_root, minor); + drm_debugfs_create_files(gdp_debugfs_files, + nb_files, + minor->debugfs_root, minor); + return 0; } static int sti_gdp_fourcc2format(int fourcc) diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c index f3f28d79b0e4..a1ec891eaf3a 100644 --- a/drivers/gpu/drm/sti/sti_hda.c +++ b/drivers/gpu/drm/sti/sti_hda.c @@ -367,16 +367,16 @@ static struct drm_info_list hda_debugfs_files[] = { { "hda", hda_dbg_show, 0, NULL }, }; -static int hda_debugfs_init(struct sti_hda *hda, struct drm_minor *minor) +static void hda_debugfs_init(struct sti_hda *hda, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(hda_debugfs_files); i++) hda_debugfs_files[i].data = hda; - return drm_debugfs_create_files(hda_debugfs_files, - ARRAY_SIZE(hda_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(hda_debugfs_files, + ARRAY_SIZE(hda_debugfs_files), + minor->debugfs_root, minor); } /** @@ -643,10 +643,7 @@ static int sti_hda_late_register(struct drm_connector *connector) = to_sti_hda_connector(connector); struct sti_hda *hda = hda_connector->hda; - if (hda_debugfs_init(hda, hda->drm_dev->primary)) { - DRM_ERROR("HDA debugfs setup failed\n"); - return -EINVAL; - } + hda_debugfs_init(hda, hda->drm_dev->primary); return 0; } diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 18eaf786ffa4..5b15c4974e6b 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -727,16 +727,16 @@ static struct drm_info_list hdmi_debugfs_files[] = { { "hdmi", hdmi_dbg_show, 0, NULL }, }; -static int hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor) +static void hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_files); i++) hdmi_debugfs_files[i].data = hdmi; - return drm_debugfs_create_files(hdmi_debugfs_files, - ARRAY_SIZE(hdmi_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(hdmi_debugfs_files, + ARRAY_SIZE(hdmi_debugfs_files), + minor->debugfs_root, minor); } static void sti_hdmi_disable(struct drm_bridge *bridge) @@ -1113,10 +1113,7 @@ static int sti_hdmi_late_register(struct drm_connector *connector) = to_sti_hdmi_connector(connector); struct sti_hdmi *hdmi = hdmi_connector->hdmi; - if (hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary)) { - DRM_ERROR("HDMI debugfs setup failed\n"); - return -EINVAL; - } + hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary); return 0; } diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index 1015abe0ce08..5a4e12194a77 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -639,16 +639,16 @@ static struct drm_info_list hqvdp_debugfs_files[] = { { "hqvdp", hqvdp_dbg_show, 0, NULL }, }; -static int hqvdp_debugfs_init(struct sti_hqvdp *hqvdp, struct drm_minor *minor) +static void hqvdp_debugfs_init(struct sti_hqvdp *hqvdp, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(hqvdp_debugfs_files); i++) hqvdp_debugfs_files[i].data = hqvdp; - return drm_debugfs_create_files(hqvdp_debugfs_files, - ARRAY_SIZE(hqvdp_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(hqvdp_debugfs_files, + ARRAY_SIZE(hqvdp_debugfs_files), + minor->debugfs_root, minor); } /** @@ -1274,7 +1274,9 @@ static int sti_hqvdp_late_register(struct drm_plane *drm_plane) struct sti_plane *plane = to_sti_plane(drm_plane); struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); - return hqvdp_debugfs_init(hqvdp, drm_plane->dev->primary); + hqvdp_debugfs_init(hqvdp, drm_plane->dev->primary); + + return 0; } static const struct drm_plane_funcs sti_hqvdp_plane_helpers_funcs = { diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c index c3a3e1e5fc8a..7e5f14646625 100644 --- a/drivers/gpu/drm/sti/sti_mixer.c +++ b/drivers/gpu/drm/sti/sti_mixer.c @@ -178,7 +178,7 @@ static struct drm_info_list mixer1_debugfs_files[] = { { "mixer_aux", mixer_dbg_show, 0, NULL }, }; -int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor) +void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor) { unsigned int i; struct drm_info_list *mixer_debugfs_files; @@ -194,15 +194,15 @@ int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor) nb_files = ARRAY_SIZE(mixer1_debugfs_files); break; default: - return -EINVAL; + return; } for (i = 0; i < nb_files; i++) mixer_debugfs_files[i].data = mixer; - return drm_debugfs_create_files(mixer_debugfs_files, - nb_files, - minor->debugfs_root, minor); + drm_debugfs_create_files(mixer_debugfs_files, + nb_files, + minor->debugfs_root, minor); } void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable) diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h index d9544246913a..ab06beb7b258 100644 --- a/drivers/gpu/drm/sti/sti_mixer.h +++ b/drivers/gpu/drm/sti/sti_mixer.h @@ -58,7 +58,7 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer, void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable); -int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor); +void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor); /* depth in Cross-bar control = z order */ #define GAM_MIXER_NB_DEPTH_LEVEL 6 diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c index c36a8da373cb..df3817f0fd30 100644 --- a/drivers/gpu/drm/sti/sti_tvout.c +++ b/drivers/gpu/drm/sti/sti_tvout.c @@ -570,16 +570,16 @@ static struct drm_info_list tvout_debugfs_files[] = { { "tvout", tvout_dbg_show, 0, NULL }, }; -static int tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor) +static void tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(tvout_debugfs_files); i++) tvout_debugfs_files[i].data = tvout; - return drm_debugfs_create_files(tvout_debugfs_files, - ARRAY_SIZE(tvout_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(tvout_debugfs_files, + ARRAY_SIZE(tvout_debugfs_files), + minor->debugfs_root, minor); } static void sti_tvout_encoder_dpms(struct drm_encoder *encoder, int mode) @@ -603,14 +603,11 @@ static void sti_tvout_encoder_destroy(struct drm_encoder *encoder) static int sti_tvout_late_register(struct drm_encoder *encoder) { struct sti_tvout *tvout = to_sti_tvout(encoder); - int ret; if (tvout->debugfs_registered) return 0; - ret = tvout_debugfs_init(tvout, encoder->dev->primary); - if (ret) - return ret; + tvout_debugfs_init(tvout, encoder->dev->primary); tvout->debugfs_registered = true; return 0; diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c index 2d4230410464..2d818397918d 100644 --- a/drivers/gpu/drm/sti/sti_vid.c +++ b/drivers/gpu/drm/sti/sti_vid.c @@ -124,16 +124,16 @@ static struct drm_info_list vid_debugfs_files[] = { { "vid", vid_dbg_show, 0, NULL }, }; -int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor) +void vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor) { unsigned int i; for (i = 0; i < ARRAY_SIZE(vid_debugfs_files); i++) vid_debugfs_files[i].data = vid; - return drm_debugfs_create_files(vid_debugfs_files, - ARRAY_SIZE(vid_debugfs_files), - minor->debugfs_root, minor); + drm_debugfs_create_files(vid_debugfs_files, + ARRAY_SIZE(vid_debugfs_files), + minor->debugfs_root, minor); } void sti_vid_commit(struct sti_vid *vid, diff --git a/drivers/gpu/drm/sti/sti_vid.h b/drivers/gpu/drm/sti/sti_vid.h index 9dbd78461de1..991849ba50b5 100644 --- a/drivers/gpu/drm/sti/sti_vid.h +++ b/drivers/gpu/drm/sti/sti_vid.h @@ -26,6 +26,6 @@ void sti_vid_disable(struct sti_vid *vid); struct sti_vid *sti_vid_create(struct device *dev, struct drm_device *drm_dev, int id, void __iomem *baseaddr); -int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor); +void vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor); #endif diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index ea9fcbdc68b3..0f85dd86cafa 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -88,7 +88,9 @@ static int drv_load(struct drm_device *ddev) ddev->dev_private = (void *)ldev; - drm_mode_config_init(ddev); + ret = drmm_mode_config_init(ddev); + if (ret) + return ret; /* * set max width and height as default value. @@ -103,7 +105,7 @@ static int drv_load(struct drm_device *ddev) ret = ltdc_load(ddev); if (ret) - goto err; + return ret; drm_mode_config_reset(ddev); drm_kms_helper_poll_init(ddev); @@ -111,9 +113,6 @@ static int drv_load(struct drm_device *ddev) platform_set_drvdata(pdev, ddev); return 0; -err: - drm_mode_config_cleanup(ddev); - return ret; } static void drv_unload(struct drm_device *ddev) @@ -122,7 +121,6 @@ static void drv_unload(struct drm_device *ddev) drm_kms_helper_poll_fini(ddev); ltdc_unload(ddev); - drm_mode_config_cleanup(ddev); } static __maybe_unused int drv_suspend(struct device *dev) diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c index 68d4644ac2dc..e324d7db7b7d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c @@ -22,6 +22,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "sun4i_backend.h" #include "sun4i_crtc.h" @@ -204,10 +205,6 @@ static const struct drm_encoder_helper_funcs sun4i_hdmi_helper_funcs = { .mode_valid = sun4i_hdmi_mode_valid, }; -static const struct drm_encoder_funcs sun4i_hdmi_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int sun4i_hdmi_get_modes(struct drm_connector *connector) { struct sun4i_hdmi *hdmi = drm_connector_to_sun4i_hdmi(connector); @@ -611,11 +608,8 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master, drm_encoder_helper_add(&hdmi->encoder, &sun4i_hdmi_helper_funcs); - ret = drm_encoder_init(drm, - &hdmi->encoder, - &sun4i_hdmi_funcs, - DRM_MODE_ENCODER_TMDS, - NULL); + ret = drm_simple_encoder_init(drm, &hdmi->encoder, + DRM_MODE_ENCODER_TMDS); if (ret) { dev_err(dev, "Couldn't initialise the HDMI encoder\n"); goto err_put_ddc_i2c; diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c index 26e5c7ceb8ff..ffda3184aa12 100644 --- a/drivers/gpu/drm/sun4i/sun4i_lvds.c +++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c @@ -12,6 +12,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "sun4i_crtc.h" #include "sun4i_tcon.h" @@ -96,10 +97,6 @@ static const struct drm_encoder_helper_funcs sun4i_lvds_enc_helper_funcs = { .enable = sun4i_lvds_encoder_enable, }; -static const struct drm_encoder_funcs sun4i_lvds_enc_funcs = { - .destroy = drm_encoder_cleanup, -}; - int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon) { struct drm_encoder *encoder; @@ -121,11 +118,8 @@ int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon) drm_encoder_helper_add(&lvds->encoder, &sun4i_lvds_enc_helper_funcs); - ret = drm_encoder_init(drm, - &lvds->encoder, - &sun4i_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS, - NULL); + ret = drm_simple_encoder_init(drm, &lvds->encoder, + DRM_MODE_ENCODER_LVDS); if (ret) { dev_err(drm->dev, "Couldn't initialise the lvds encoder\n"); goto err_out; diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c index 3b23d5be3cf3..5a7d43939ae6 100644 --- a/drivers/gpu/drm/sun4i/sun4i_rgb.c +++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c @@ -14,6 +14,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "sun4i_crtc.h" #include "sun4i_tcon.h" @@ -188,15 +189,6 @@ static struct drm_encoder_helper_funcs sun4i_rgb_enc_helper_funcs = { .mode_valid = sun4i_rgb_mode_valid, }; -static void sun4i_rgb_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static struct drm_encoder_funcs sun4i_rgb_enc_funcs = { - .destroy = sun4i_rgb_enc_destroy, -}; - int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon) { struct drm_encoder *encoder; @@ -218,11 +210,8 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon) drm_encoder_helper_add(&rgb->encoder, &sun4i_rgb_enc_helper_funcs); - ret = drm_encoder_init(drm, - &rgb->encoder, - &sun4i_rgb_enc_funcs, - DRM_MODE_ENCODER_NONE, - NULL); + ret = drm_simple_encoder_init(drm, &rgb->encoder, + DRM_MODE_ENCODER_NONE); if (ret) { dev_err(drm->dev, "Couldn't initialise the rgb encoder\n"); goto err_out; diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 624437b27cdc..359b56e43b83 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -812,10 +812,8 @@ static int sun4i_tcon_init_irq(struct device *dev, int irq, ret; irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(dev, "Couldn't retrieve the TCON interrupt\n"); + if (irq < 0) return irq; - } ret = devm_request_irq(dev, irq, sun4i_tcon_handler, 0, dev_name(dev), tcon); diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c index 39c15282e448..63f4428ac3bf 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tv.c +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c @@ -19,6 +19,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "sun4i_crtc.h" #include "sun4i_drv.h" @@ -473,15 +474,6 @@ static struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { .mode_set = sun4i_tv_mode_set, }; -static void sun4i_tv_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static struct drm_encoder_funcs sun4i_tv_funcs = { - .destroy = sun4i_tv_destroy, -}; - static int sun4i_tv_comp_get_modes(struct drm_connector *connector) { int i; @@ -592,11 +584,8 @@ static int sun4i_tv_bind(struct device *dev, struct device *master, drm_encoder_helper_add(&tv->encoder, &sun4i_tv_helper_funcs); - ret = drm_encoder_init(drm, - &tv->encoder, - &sun4i_tv_funcs, - DRM_MODE_ENCODER_TVDAC, - NULL); + ret = drm_simple_encoder_init(drm, &tv->encoder, + DRM_MODE_ENCODER_TVDAC); if (ret) { dev_err(dev, "Couldn't initialise the TV encoder\n"); goto err_disable_clk; diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index 059939789730..f6c67dd87a05 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -24,6 +24,7 @@ #include <drm/drm_panel.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "sun4i_crtc.h" #include "sun4i_tcon.h" @@ -846,10 +847,6 @@ static const struct drm_encoder_helper_funcs sun6i_dsi_enc_helper_funcs = { .enable = sun6i_dsi_encoder_enable, }; -static const struct drm_encoder_funcs sun6i_dsi_enc_funcs = { - .destroy = drm_encoder_cleanup, -}; - static u32 sun6i_dsi_dcs_build_pkt_hdr(struct sun6i_dsi *dsi, const struct mipi_dsi_msg *msg) { @@ -1062,11 +1059,8 @@ static int sun6i_dsi_bind(struct device *dev, struct device *master, drm_encoder_helper_add(&dsi->encoder, &sun6i_dsi_enc_helper_funcs); - ret = drm_encoder_init(drm, - &dsi->encoder, - &sun6i_dsi_enc_funcs, - DRM_MODE_ENCODER_DSI, - NULL); + ret = drm_simple_encoder_init(drm, &dsi->encoder, + DRM_MODE_ENCODER_DSI); if (ret) { dev_err(dsi->dev, "Couldn't initialise the DSI encoder\n"); return ret; diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index e8a317d5ba19..972682bb8000 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -10,6 +10,7 @@ #include <drm/drm_crtc_helper.h> #include <drm/drm_of.h> +#include <drm/drm_simple_kms_helper.h> #include "sun8i_dw_hdmi.h" #include "sun8i_tcon_top.h" @@ -29,10 +30,6 @@ sun8i_dw_hdmi_encoder_helper_funcs = { .mode_set = sun8i_dw_hdmi_encoder_mode_set, }; -static const struct drm_encoder_funcs sun8i_dw_hdmi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static enum drm_mode_status sun8i_dw_hdmi_mode_valid_a83t(struct drm_connector *connector, const struct drm_display_mode *mode) @@ -220,8 +217,7 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, } drm_encoder_helper_add(encoder, &sun8i_dw_hdmi_encoder_helper_funcs); - drm_encoder_init(drm, encoder, &sun8i_dw_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); sun8i_hdmi_phy_init(hdmi->phy); diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c index 4a64f7ae437a..56cc037fd312 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c @@ -27,314 +27,225 @@ #include "sun8i_vi_layer.h" #include "sunxi_engine.h" +struct de2_fmt_info { + u32 drm_fmt; + u32 de2_fmt; +}; + static const struct de2_fmt_info de2_formats[] = { { .drm_fmt = DRM_FORMAT_ARGB8888, .de2_fmt = SUN8I_MIXER_FBFMT_ARGB8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ABGR8888, .de2_fmt = SUN8I_MIXER_FBFMT_ABGR8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGBA8888, .de2_fmt = SUN8I_MIXER_FBFMT_RGBA8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGRA8888, .de2_fmt = SUN8I_MIXER_FBFMT_BGRA8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_XRGB8888, .de2_fmt = SUN8I_MIXER_FBFMT_XRGB8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_XBGR8888, .de2_fmt = SUN8I_MIXER_FBFMT_XBGR8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGBX8888, .de2_fmt = SUN8I_MIXER_FBFMT_RGBX8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGRX8888, .de2_fmt = SUN8I_MIXER_FBFMT_BGRX8888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGB888, .de2_fmt = SUN8I_MIXER_FBFMT_RGB888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGR888, .de2_fmt = SUN8I_MIXER_FBFMT_BGR888, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGB565, .de2_fmt = SUN8I_MIXER_FBFMT_RGB565, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGR565, .de2_fmt = SUN8I_MIXER_FBFMT_BGR565, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ARGB4444, .de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_XRGB4444, .de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ABGR4444, .de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_XBGR4444, .de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGBA4444, .de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_RGBX4444, .de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGRA4444, .de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_BGRX4444, .de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ARGB1555, .de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_XRGB1555, .de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ABGR1555, .de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_XBGR1555, .de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGBA5551, .de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_RGBX5551, .de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGRA5551, .de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { /* for DE2 VI layer which ignores alpha */ .drm_fmt = DRM_FORMAT_BGRX5551, .de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ARGB2101010, .de2_fmt = SUN8I_MIXER_FBFMT_ARGB2101010, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_ABGR2101010, .de2_fmt = SUN8I_MIXER_FBFMT_ABGR2101010, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_RGBA1010102, .de2_fmt = SUN8I_MIXER_FBFMT_RGBA1010102, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_BGRA1010102, .de2_fmt = SUN8I_MIXER_FBFMT_BGRA1010102, - .rgb = true, - .csc = SUN8I_CSC_MODE_OFF, }, { .drm_fmt = DRM_FORMAT_UYVY, .de2_fmt = SUN8I_MIXER_FBFMT_UYVY, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_VYUY, .de2_fmt = SUN8I_MIXER_FBFMT_VYUY, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_YUYV, .de2_fmt = SUN8I_MIXER_FBFMT_YUYV, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_YVYU, .de2_fmt = SUN8I_MIXER_FBFMT_YVYU, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_NV16, .de2_fmt = SUN8I_MIXER_FBFMT_NV16, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_NV61, .de2_fmt = SUN8I_MIXER_FBFMT_NV61, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_NV12, .de2_fmt = SUN8I_MIXER_FBFMT_NV12, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_NV21, .de2_fmt = SUN8I_MIXER_FBFMT_NV21, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_YUV422, .de2_fmt = SUN8I_MIXER_FBFMT_YUV422, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_YUV420, .de2_fmt = SUN8I_MIXER_FBFMT_YUV420, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_YUV411, .de2_fmt = SUN8I_MIXER_FBFMT_YUV411, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_YVU422, .de2_fmt = SUN8I_MIXER_FBFMT_YUV422, - .rgb = false, - .csc = SUN8I_CSC_MODE_YVU2RGB, }, { .drm_fmt = DRM_FORMAT_YVU420, .de2_fmt = SUN8I_MIXER_FBFMT_YUV420, - .rgb = false, - .csc = SUN8I_CSC_MODE_YVU2RGB, }, { .drm_fmt = DRM_FORMAT_YVU411, .de2_fmt = SUN8I_MIXER_FBFMT_YUV411, - .rgb = false, - .csc = SUN8I_CSC_MODE_YVU2RGB, }, { .drm_fmt = DRM_FORMAT_P010, .de2_fmt = SUN8I_MIXER_FBFMT_P010_YUV, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, { .drm_fmt = DRM_FORMAT_P210, .de2_fmt = SUN8I_MIXER_FBFMT_P210_YUV, - .rgb = false, - .csc = SUN8I_CSC_MODE_YUV2RGB, }, }; -const struct de2_fmt_info *sun8i_mixer_format_info(u32 format) +int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format) { unsigned int i; for (i = 0; i < ARRAY_SIZE(de2_formats); ++i) - if (de2_formats[i].drm_fmt == format) - return &de2_formats[i]; + if (de2_formats[i].drm_fmt == format) { + *hw_format = de2_formats[i].de2_fmt; + return 0; + } - return NULL; + return -EINVAL; } static void sun8i_mixer_commit(struct sunxi_engine *engine) diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h index 345b28b0a80a..7576b523fdbb 100644 --- a/drivers/gpu/drm/sun4i/sun8i_mixer.h +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h @@ -10,7 +10,6 @@ #include <linux/regmap.h> #include <linux/reset.h> -#include "sun8i_csc.h" #include "sunxi_engine.h" #define SUN8I_MIXER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1)) @@ -144,13 +143,6 @@ #define SUN50I_MIXER_CDC0_EN 0xd0000 #define SUN50I_MIXER_CDC1_EN 0xd8000 -struct de2_fmt_info { - u32 drm_fmt; - u32 de2_fmt; - bool rgb; - enum sun8i_csc_mode csc; -}; - /** * struct sun8i_mixer_cfg - mixer HW configuration * @vi_num: number of VI channels @@ -210,5 +202,5 @@ sun8i_channel_base(struct sun8i_mixer *mixer, int channel) return DE2_CH_BASE + channel * DE2_CH_SIZE; } -const struct de2_fmt_info *sun8i_mixer_format_info(u32 format); +int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format); #endif /* _SUN8I_MIXER_H_ */ diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c index c87fd842918e..54f937a7d5e7 100644 --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c @@ -19,8 +19,8 @@ #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> -#include "sun8i_ui_layer.h" #include "sun8i_mixer.h" +#include "sun8i_ui_layer.h" #include "sun8i_ui_scaler.h" static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel, @@ -174,18 +174,20 @@ static int sun8i_ui_layer_update_formats(struct sun8i_mixer *mixer, int channel, int overlay, struct drm_plane *plane) { struct drm_plane_state *state = plane->state; - const struct de2_fmt_info *fmt_info; - u32 val, ch_base; + const struct drm_format_info *fmt; + u32 val, ch_base, hw_fmt; + int ret; ch_base = sun8i_channel_base(mixer, channel); - fmt_info = sun8i_mixer_format_info(state->fb->format->format); - if (!fmt_info || !fmt_info->rgb) { + fmt = state->fb->format; + ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt); + if (ret || fmt->is_yuv) { DRM_DEBUG_DRIVER("Invalid format\n"); return -EINVAL; } - val = fmt_info->de2_fmt << SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET; + val = hw_fmt << SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET; regmap_update_bits(mixer->engine.regs, SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay), SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK, val); diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index b8398ca18b0f..22c8c5375d0d 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -12,8 +12,9 @@ #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> -#include "sun8i_vi_layer.h" +#include "sun8i_csc.h" #include "sun8i_mixer.h" +#include "sun8i_vi_layer.h" #include "sun8i_vi_scaler.h" static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel, @@ -210,28 +211,47 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, return 0; } +static bool sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format) +{ + if (!format->is_yuv) + return SUN8I_CSC_MODE_OFF; + + switch (format->format) { + case DRM_FORMAT_YVU411: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YVU444: + return SUN8I_CSC_MODE_YVU2RGB; + default: + return SUN8I_CSC_MODE_YUV2RGB; + } +} + static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, int overlay, struct drm_plane *plane) { struct drm_plane_state *state = plane->state; - const struct de2_fmt_info *fmt_info; - u32 val, ch_base; + u32 val, ch_base, csc_mode, hw_fmt; + const struct drm_format_info *fmt; + int ret; ch_base = sun8i_channel_base(mixer, channel); - fmt_info = sun8i_mixer_format_info(state->fb->format->format); - if (!fmt_info) { + fmt = state->fb->format; + ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt); + if (ret) { DRM_DEBUG_DRIVER("Invalid format\n"); - return -EINVAL; + return ret; } - val = fmt_info->de2_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET; + val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET; regmap_update_bits(mixer->engine.regs, SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay), SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val); - if (fmt_info->csc != SUN8I_CSC_MODE_OFF) { - sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_info->csc, + csc_mode = sun8i_vi_layer_get_csc_mode(fmt); + if (csc_mode != SUN8I_CSC_MODE_OFF) { + sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode, state->color_encoding, state->color_range); sun8i_csc_enable_ccsc(mixer, channel, true); @@ -239,7 +259,7 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, sun8i_csc_enable_ccsc(mixer, channel, false); } - if (fmt_info->rgb) + if (!fmt->is_yuv) val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE; else val = 0; diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 1a7b08f35776..83f31c6e891c 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1496,7 +1496,6 @@ static int tegra_dc_late_register(struct drm_crtc *crtc) struct drm_minor *minor = crtc->dev->primary; struct dentry *root; struct tegra_dc *dc = to_tegra_dc(crtc); - int err; #ifdef CONFIG_DEBUG_FS root = crtc->debugfs_entry; @@ -1512,17 +1511,9 @@ static int tegra_dc_late_register(struct drm_crtc *crtc) for (i = 0; i < count; i++) dc->debugfs_files[i].data = dc; - err = drm_debugfs_create_files(dc->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(dc->debugfs_files, count, root, minor); return 0; - -free: - kfree(dc->debugfs_files); - dc->debugfs_files = NULL; - - return err; } static void tegra_dc_early_unregister(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index bd268028fb3d..d4f51b5c7ee5 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -839,11 +839,11 @@ static struct drm_info_list tegra_debugfs_list[] = { { "iova", tegra_debugfs_iova, 0 }, }; -static int tegra_debugfs_init(struct drm_minor *minor) +static void tegra_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(tegra_debugfs_list, - ARRAY_SIZE(tegra_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(tegra_debugfs_list, + ARRAY_SIZE(tegra_debugfs_list), + minor->debugfs_root, minor); } #endif diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index ed99b67deb29..804869799305 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -152,8 +152,6 @@ enum drm_connector_status tegra_output_connector_detect(struct drm_connector *connector, bool force); void tegra_output_connector_destroy(struct drm_connector *connector); -void tegra_output_encoder_destroy(struct drm_encoder *encoder); - /* from dpaux.c */ struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np); enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux); diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 88b9d64c77bf..38beab9ab4f8 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -22,6 +22,7 @@ #include <drm/drm_file.h> #include <drm/drm_mipi_dsi.h> #include <drm/drm_panel.h> +#include <drm/drm_simple_kms_helper.h> #include "dc.h" #include "drm.h" @@ -234,7 +235,6 @@ static int tegra_dsi_late_register(struct drm_connector *connector) struct drm_minor *minor = connector->dev->primary; struct dentry *root = connector->debugfs_entry; struct tegra_dsi *dsi = to_dsi(output); - int err; dsi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), GFP_KERNEL); @@ -244,17 +244,9 @@ static int tegra_dsi_late_register(struct drm_connector *connector) for (i = 0; i < count; i++) dsi->debugfs_files[i].data = dsi; - err = drm_debugfs_create_files(dsi->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(dsi->debugfs_files, count, root, minor); return 0; - -free: - kfree(dsi->debugfs_files); - dsi->debugfs_files = NULL; - - return err; } static void tegra_dsi_early_unregister(struct drm_connector *connector) @@ -824,10 +816,6 @@ static const struct drm_connector_helper_funcs tegra_dsi_connector_helper_funcs .mode_valid = tegra_dsi_connector_mode_valid, }; -static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = { - .destroy = tegra_output_encoder_destroy, -}; - static void tegra_dsi_unprepare(struct tegra_dsi *dsi) { int err; @@ -1058,9 +1046,8 @@ static int tegra_dsi_init(struct host1x_client *client) &tegra_dsi_connector_helper_funcs); dsi->output.connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_init(drm, &dsi->output.encoder, - &tegra_dsi_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); + drm_simple_encoder_init(drm, &dsi->output.encoder, + DRM_MODE_ENCODER_DSI); drm_encoder_helper_add(&dsi->output.encoder, &tegra_dsi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 38252c0f068d..c4c8348df090 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -22,6 +22,7 @@ #include <drm/drm_file.h> #include <drm/drm_fourcc.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "hda.h" #include "hdmi.h" @@ -1064,7 +1065,6 @@ static int tegra_hdmi_late_register(struct drm_connector *connector) struct drm_minor *minor = connector->dev->primary; struct dentry *root = connector->debugfs_entry; struct tegra_hdmi *hdmi = to_hdmi(output); - int err; hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), GFP_KERNEL); @@ -1074,17 +1074,9 @@ static int tegra_hdmi_late_register(struct drm_connector *connector) for (i = 0; i < count; i++) hdmi->debugfs_files[i].data = hdmi; - err = drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor); return 0; - -free: - kfree(hdmi->debugfs_files); - hdmi->debugfs_files = NULL; - - return err; } static void tegra_hdmi_early_unregister(struct drm_connector *connector) @@ -1136,10 +1128,6 @@ tegra_hdmi_connector_helper_funcs = { .mode_valid = tegra_hdmi_connector_mode_valid, }; -static const struct drm_encoder_funcs tegra_hdmi_encoder_funcs = { - .destroy = tegra_output_encoder_destroy, -}; - static void tegra_hdmi_encoder_disable(struct drm_encoder *encoder) { struct tegra_output *output = encoder_to_output(encoder); @@ -1445,8 +1433,8 @@ static int tegra_hdmi_init(struct host1x_client *client) &tegra_hdmi_connector_helper_funcs); hdmi->output.connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_init(drm, &hdmi->output.encoder, &tegra_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, &hdmi->output.encoder, + DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(&hdmi->output.encoder, &tegra_hdmi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index a264259b97a2..e36e5e7c2f69 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -6,6 +6,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_panel.h> +#include <drm/drm_simple_kms_helper.h> #include "drm.h" #include "dc.h" @@ -79,11 +80,6 @@ void tegra_output_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); } -void tegra_output_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - static irqreturn_t hpd_irq(int irq, void *data) { struct tegra_output *output = data; diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index 4be4dfd4a68a..0562a7eb793f 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -8,6 +8,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_panel.h> +#include <drm/drm_simple_kms_helper.h> #include "drm.h" #include "dc.h" @@ -110,10 +111,6 @@ static const struct drm_connector_helper_funcs tegra_rgb_connector_helper_funcs .mode_valid = tegra_rgb_connector_mode_valid, }; -static const struct drm_encoder_funcs tegra_rgb_encoder_funcs = { - .destroy = tegra_output_encoder_destroy, -}; - static void tegra_rgb_encoder_disable(struct drm_encoder *encoder) { struct tegra_output *output = encoder_to_output(encoder); @@ -281,8 +278,7 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) &tegra_rgb_connector_helper_funcs); output->connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_init(drm, &output->encoder, &tegra_rgb_encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + drm_simple_encoder_init(drm, &output->encoder, DRM_MODE_ENCODER_LVDS); drm_encoder_helper_add(&output->encoder, &tegra_rgb_encoder_helper_funcs); diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 81226a4953c1..8495ea921b3c 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -23,6 +23,7 @@ #include <drm/drm_file.h> #include <drm/drm_panel.h> #include <drm/drm_scdc_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "dc.h" #include "dp.h" @@ -1687,7 +1688,6 @@ static int tegra_sor_late_register(struct drm_connector *connector) struct drm_minor *minor = connector->dev->primary; struct dentry *root = connector->debugfs_entry; struct tegra_sor *sor = to_sor(output); - int err; sor->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), GFP_KERNEL); @@ -1697,17 +1697,9 @@ static int tegra_sor_late_register(struct drm_connector *connector) for (i = 0; i < count; i++) sor->debugfs_files[i].data = sor; - err = drm_debugfs_create_files(sor->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(sor->debugfs_files, count, root, minor); return 0; - -free: - kfree(sor->debugfs_files); - sor->debugfs_files = NULL; - - return err; } static void tegra_sor_early_unregister(struct drm_connector *connector) @@ -1805,10 +1797,6 @@ static const struct drm_connector_helper_funcs tegra_sor_connector_helper_funcs .mode_valid = tegra_sor_connector_mode_valid, }; -static const struct drm_encoder_funcs tegra_sor_encoder_funcs = { - .destroy = tegra_output_encoder_destroy, -}; - static int tegra_sor_encoder_atomic_check(struct drm_encoder *encoder, struct drm_crtc_state *crtc_state, @@ -3102,8 +3090,7 @@ static int tegra_sor_init(struct host1x_client *client) &tegra_sor_connector_helper_funcs); sor->output.connector.dpms = DRM_MODE_DPMS_OFF; - drm_encoder_init(drm, &sor->output.encoder, &tegra_sor_encoder_funcs, - encoder, NULL); + drm_simple_encoder_init(drm, &sor->output.encoder, encoder); drm_encoder_helper_add(&sor->output.encoder, helpers); drm_connector_attach_encoder(&sor->output.connector, diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c index d95e4be2c7b9..ad449d104306 100644 --- a/drivers/gpu/drm/tidss/tidss_drv.c +++ b/drivers/gpu/drm/tidss/tidss_drv.c @@ -17,6 +17,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_irq.h> +#include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include "tidss_dispc.h" @@ -102,15 +103,7 @@ static const struct dev_pm_ops tidss_pm_ops = { static void tidss_release(struct drm_device *ddev) { - struct tidss_device *tidss = ddev->dev_private; - drm_kms_helper_poll_fini(ddev); - - tidss_modeset_cleanup(tidss); - - drm_dev_fini(ddev); - - kfree(tidss); } DEFINE_DRM_GEM_CMA_FOPS(tidss_fops); @@ -154,6 +147,7 @@ static int tidss_probe(struct platform_device *pdev) kfree(ddev); return ret; } + drmm_add_final_kfree(ddev, tidss); tidss->dev = dev; tidss->feat = of_device_get_match_data(dev); diff --git a/drivers/gpu/drm/tidss/tidss_encoder.c b/drivers/gpu/drm/tidss/tidss_encoder.c index 83785b0a66a9..4c0558286f5e 100644 --- a/drivers/gpu/drm/tidss/tidss_encoder.c +++ b/drivers/gpu/drm/tidss/tidss_encoder.c @@ -8,8 +8,9 @@ #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> -#include <drm/drm_panel.h> #include <drm/drm_of.h> +#include <drm/drm_panel.h> +#include <drm/drm_simple_kms_helper.h> #include "tidss_crtc.h" #include "tidss_drv.h" @@ -59,10 +60,6 @@ static const struct drm_encoder_helper_funcs encoder_helper_funcs = { .atomic_check = tidss_encoder_atomic_check, }; -static const struct drm_encoder_funcs encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss, u32 encoder_type, u32 possible_crtcs) { @@ -75,8 +72,7 @@ struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss, enc->possible_crtcs = possible_crtcs; - ret = drm_encoder_init(&tidss->ddev, enc, &encoder_funcs, - encoder_type, NULL); + ret = drm_simple_encoder_init(&tidss->ddev, enc, encoder_type); if (ret < 0) return ERR_PTR(ret); diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c index 7d419960b030..4bd339a467a4 100644 --- a/drivers/gpu/drm/tidss/tidss_kms.c +++ b/drivers/gpu/drm/tidss/tidss_kms.c @@ -258,7 +258,9 @@ int tidss_modeset_init(struct tidss_device *tidss) dev_dbg(tidss->dev, "%s\n", __func__); - drm_mode_config_init(ddev); + ret = drmm_mode_config_init(ddev); + if (ret) + return ret; ddev->mode_config.min_width = 8; ddev->mode_config.min_height = 8; @@ -270,11 +272,11 @@ int tidss_modeset_init(struct tidss_device *tidss) ret = tidss_dispc_modeset_init(tidss); if (ret) - goto err_mode_config_cleanup; + return ret; ret = drm_vblank_init(ddev, tidss->num_crtcs); if (ret) - goto err_mode_config_cleanup; + return ret; /* Start with vertical blanking interrupt reporting disabled. */ for (i = 0; i < tidss->num_crtcs; ++i) @@ -285,15 +287,4 @@ int tidss_modeset_init(struct tidss_device *tidss) dev_dbg(tidss->dev, "%s done\n", __func__); return 0; - -err_mode_config_cleanup: - drm_mode_config_cleanup(ddev); - return ret; -} - -void tidss_modeset_cleanup(struct tidss_device *tidss) -{ - struct drm_device *ddev = &tidss->ddev; - - drm_mode_config_cleanup(ddev); } diff --git a/drivers/gpu/drm/tidss/tidss_kms.h b/drivers/gpu/drm/tidss/tidss_kms.h index dda5625d0128..99aaff099f22 100644 --- a/drivers/gpu/drm/tidss/tidss_kms.h +++ b/drivers/gpu/drm/tidss/tidss_kms.h @@ -10,6 +10,5 @@ struct tidss_device; int tidss_modeset_init(struct tidss_device *tidss); -void tidss_modeset_cleanup(struct tidss_device *tidss); #endif diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 0791a0200cc3..a5e9ee4c7fbf 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -390,10 +390,9 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) ret = drm_dev_register(ddev, 0); if (ret) goto init_failed; + priv->is_registered = true; drm_fbdev_generic_setup(ddev, bpp); - - priv->is_registered = true; return 0; init_failed: @@ -478,26 +477,17 @@ static struct drm_info_list tilcdc_debugfs_list[] = { { "mm", tilcdc_mm_show, 0 }, }; -static int tilcdc_debugfs_init(struct drm_minor *minor) +static void tilcdc_debugfs_init(struct drm_minor *minor) { - struct drm_device *dev = minor->dev; struct tilcdc_module *mod; - int ret; - ret = drm_debugfs_create_files(tilcdc_debugfs_list, - ARRAY_SIZE(tilcdc_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(tilcdc_debugfs_list, + ARRAY_SIZE(tilcdc_debugfs_list), + minor->debugfs_root, minor); list_for_each_entry(mod, &module_list, list) if (mod->funcs->debugfs_init) mod->funcs->debugfs_init(mod, minor); - - if (ret) { - dev_err(dev->dev, "could not install tilcdc_debugfs_list\n"); - return ret; - } - - return ret; } #endif diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c index 28b7f703236e..b177525588c1 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_external.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c @@ -10,6 +10,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_of.h> +#include <drm/drm_simple_kms_helper.h> #include "tilcdc_drv.h" #include "tilcdc_external.h" @@ -83,10 +84,6 @@ int tilcdc_add_component_encoder(struct drm_device *ddev) return 0; } -static const struct drm_encoder_funcs tilcdc_external_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge) { @@ -131,9 +128,8 @@ int tilcdc_attach_external_device(struct drm_device *ddev) if (!priv->external_encoder) return -ENOMEM; - ret = drm_encoder_init(ddev, priv->external_encoder, - &tilcdc_external_encoder_funcs, - DRM_MODE_ENCODER_NONE, NULL); + ret = drm_simple_encoder_init(ddev, priv->external_encoder, + DRM_MODE_ENCODER_NONE); if (ret) { dev_err(ddev->dev, "drm_encoder_init() failed %d\n", ret); return ret; diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 5584e656b857..12823d60c4e8 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -16,6 +16,7 @@ #include <drm/drm_connector.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "tilcdc_drv.h" #include "tilcdc_panel.h" @@ -74,10 +75,6 @@ static void panel_encoder_mode_set(struct drm_encoder *encoder, /* nothing needed */ } -static const struct drm_encoder_funcs panel_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static const struct drm_encoder_helper_funcs panel_encoder_helper_funcs = { .dpms = panel_encoder_dpms, .prepare = panel_encoder_prepare, @@ -102,8 +99,7 @@ static struct drm_encoder *panel_encoder_create(struct drm_device *dev, encoder = &panel_encoder->base; encoder->possible_crtcs = 1; - ret = drm_encoder_init(dev, encoder, &panel_encoder_funcs, - DRM_MODE_ENCODER_LVDS, NULL); + ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); if (ret < 0) goto fail; diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c index a48173441ae0..6f0ea2827d62 100644 --- a/drivers/gpu/drm/tiny/gm12u320.c +++ b/drivers/gpu/drm/tiny/gm12u320.c @@ -19,6 +19,7 @@ #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_ioctl.h> +#include <drm/drm_managed.h> #include <drm/drm_modeset_helper_vtables.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> @@ -87,15 +88,13 @@ struct gm12u320_device { struct usb_device *udev; unsigned char *cmd_buf; unsigned char *data_buf[GM12U320_BLOCK_COUNT]; - bool pipe_enabled; struct { - bool run; - struct workqueue_struct *workq; - struct work_struct work; - wait_queue_head_t waitq; + struct delayed_work work; struct mutex lock; struct drm_framebuffer *fb; struct drm_rect rect; + int frame; + int draw_status_timeout; } fb_update; }; @@ -159,7 +158,7 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320) int i, block_size; const char *hdr; - gm12u320->cmd_buf = kmalloc(CMD_SIZE, GFP_KERNEL); + gm12u320->cmd_buf = drmm_kmalloc(&gm12u320->dev, CMD_SIZE, GFP_KERNEL); if (!gm12u320->cmd_buf) return -ENOMEM; @@ -172,7 +171,8 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320) hdr = data_block_header; } - gm12u320->data_buf[i] = kzalloc(block_size, GFP_KERNEL); + gm12u320->data_buf[i] = drmm_kzalloc(&gm12u320->dev, + block_size, GFP_KERNEL); if (!gm12u320->data_buf[i]) return -ENOMEM; @@ -182,26 +182,9 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320) data_block_footer, DATA_BLOCK_FOOTER_SIZE); } - gm12u320->fb_update.workq = create_singlethread_workqueue(DRIVER_NAME); - if (!gm12u320->fb_update.workq) - return -ENOMEM; - return 0; } -static void gm12u320_usb_free(struct gm12u320_device *gm12u320) -{ - int i; - - if (gm12u320->fb_update.workq) - destroy_workqueue(gm12u320->fb_update.workq); - - for (i = 0; i < GM12U320_BLOCK_COUNT; i++) - kfree(gm12u320->data_buf[i]); - - kfree(gm12u320->cmd_buf); -} - static int gm12u320_misc_request(struct gm12u320_device *gm12u320, u8 req_a, u8 req_b, u8 arg_a, u8 arg_b, u8 arg_c, u8 arg_d) @@ -344,80 +327,77 @@ unlock: static void gm12u320_fb_update_work(struct work_struct *work) { struct gm12u320_device *gm12u320 = - container_of(work, struct gm12u320_device, fb_update.work); - int draw_status_timeout = FIRST_FRAME_TIMEOUT; + container_of(to_delayed_work(work), struct gm12u320_device, + fb_update.work); int block, block_size, len; - int frame = 0; int ret = 0; - while (gm12u320->fb_update.run) { - gm12u320_copy_fb_to_blocks(gm12u320); - - for (block = 0; block < GM12U320_BLOCK_COUNT; block++) { - if (block == GM12U320_BLOCK_COUNT - 1) - block_size = DATA_LAST_BLOCK_SIZE; - else - block_size = DATA_BLOCK_SIZE; - - /* Send data command to device */ - memcpy(gm12u320->cmd_buf, cmd_data, CMD_SIZE); - gm12u320->cmd_buf[8] = block_size & 0xff; - gm12u320->cmd_buf[9] = block_size >> 8; - gm12u320->cmd_buf[20] = 0xfc - block * 4; - gm12u320->cmd_buf[21] = block | (frame << 7); - - ret = usb_bulk_msg(gm12u320->udev, - usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), - gm12u320->cmd_buf, CMD_SIZE, &len, - CMD_TIMEOUT); - if (ret || len != CMD_SIZE) - goto err; - - /* Send data block to device */ - ret = usb_bulk_msg(gm12u320->udev, - usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), - gm12u320->data_buf[block], block_size, - &len, DATA_TIMEOUT); - if (ret || len != block_size) - goto err; - - /* Read status */ - ret = usb_bulk_msg(gm12u320->udev, - usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT), - gm12u320->cmd_buf, READ_STATUS_SIZE, &len, - CMD_TIMEOUT); - if (ret || len != READ_STATUS_SIZE) - goto err; - } + gm12u320_copy_fb_to_blocks(gm12u320); + + for (block = 0; block < GM12U320_BLOCK_COUNT; block++) { + if (block == GM12U320_BLOCK_COUNT - 1) + block_size = DATA_LAST_BLOCK_SIZE; + else + block_size = DATA_BLOCK_SIZE; + + /* Send data command to device */ + memcpy(gm12u320->cmd_buf, cmd_data, CMD_SIZE); + gm12u320->cmd_buf[8] = block_size & 0xff; + gm12u320->cmd_buf[9] = block_size >> 8; + gm12u320->cmd_buf[20] = 0xfc - block * 4; + gm12u320->cmd_buf[21] = + block | (gm12u320->fb_update.frame << 7); - /* Send draw command to device */ - memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE); ret = usb_bulk_msg(gm12u320->udev, usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), - gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT); + gm12u320->cmd_buf, CMD_SIZE, &len, + CMD_TIMEOUT); if (ret || len != CMD_SIZE) goto err; + /* Send data block to device */ + ret = usb_bulk_msg(gm12u320->udev, + usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), + gm12u320->data_buf[block], block_size, + &len, DATA_TIMEOUT); + if (ret || len != block_size) + goto err; + /* Read status */ ret = usb_bulk_msg(gm12u320->udev, usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT), gm12u320->cmd_buf, READ_STATUS_SIZE, &len, - draw_status_timeout); + CMD_TIMEOUT); if (ret || len != READ_STATUS_SIZE) goto err; - - draw_status_timeout = CMD_TIMEOUT; - frame = !frame; - - /* - * We must draw a frame every 2s otherwise the projector - * switches back to showing its logo. - */ - wait_event_timeout(gm12u320->fb_update.waitq, - !gm12u320->fb_update.run || - gm12u320->fb_update.fb != NULL, - IDLE_TIMEOUT); } + + /* Send draw command to device */ + memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE); + ret = usb_bulk_msg(gm12u320->udev, + usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT), + gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT); + if (ret || len != CMD_SIZE) + goto err; + + /* Read status */ + ret = usb_bulk_msg(gm12u320->udev, + usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT), + gm12u320->cmd_buf, READ_STATUS_SIZE, &len, + gm12u320->fb_update.draw_status_timeout); + if (ret || len != READ_STATUS_SIZE) + goto err; + + gm12u320->fb_update.draw_status_timeout = CMD_TIMEOUT; + gm12u320->fb_update.frame = !gm12u320->fb_update.frame; + + /* + * We must draw a frame every 2s otherwise the projector + * switches back to showing its logo. + */ + queue_delayed_work(system_long_wq, &gm12u320->fb_update.work, + IDLE_TIMEOUT); + return; err: /* Do not log errors caused by module unload or device unplug */ @@ -452,36 +432,24 @@ static void gm12u320_fb_mark_dirty(struct drm_framebuffer *fb, mutex_unlock(&gm12u320->fb_update.lock); if (wakeup) - wake_up(&gm12u320->fb_update.waitq); + mod_delayed_work(system_long_wq, &gm12u320->fb_update.work, 0); if (old_fb) drm_framebuffer_put(old_fb); } -static void gm12u320_start_fb_update(struct gm12u320_device *gm12u320) -{ - mutex_lock(&gm12u320->fb_update.lock); - gm12u320->fb_update.run = true; - mutex_unlock(&gm12u320->fb_update.lock); - - queue_work(gm12u320->fb_update.workq, &gm12u320->fb_update.work); -} - static void gm12u320_stop_fb_update(struct gm12u320_device *gm12u320) { - mutex_lock(&gm12u320->fb_update.lock); - gm12u320->fb_update.run = false; - mutex_unlock(&gm12u320->fb_update.lock); + struct drm_framebuffer *old_fb; - wake_up(&gm12u320->fb_update.waitq); - cancel_work_sync(&gm12u320->fb_update.work); + cancel_delayed_work_sync(&gm12u320->fb_update.work); mutex_lock(&gm12u320->fb_update.lock); - if (gm12u320->fb_update.fb) { - drm_framebuffer_put(gm12u320->fb_update.fb); - gm12u320->fb_update.fb = NULL; - } + old_fb = gm12u320->fb_update.fb; + gm12u320->fb_update.fb = NULL; mutex_unlock(&gm12u320->fb_update.lock); + + drm_framebuffer_put(old_fb); } static int gm12u320_set_ecomode(struct gm12u320_device *gm12u320) @@ -589,12 +557,11 @@ static void gm12u320_pipe_enable(struct drm_simple_display_pipe *pipe, struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state) { - struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private; struct drm_rect rect = { 0, 0, GM12U320_USER_WIDTH, GM12U320_HEIGHT }; + struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private; + gm12u320->fb_update.draw_status_timeout = FIRST_FRAME_TIMEOUT; gm12u320_fb_mark_dirty(plane_state->fb, &rect); - gm12u320_start_fb_update(gm12u320); - gm12u320->pipe_enabled = true; } static void gm12u320_pipe_disable(struct drm_simple_display_pipe *pipe) @@ -602,7 +569,6 @@ static void gm12u320_pipe_disable(struct drm_simple_display_pipe *pipe) struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private; gm12u320_stop_fb_update(gm12u320); - gm12u320->pipe_enabled = false; } static void gm12u320_pipe_update(struct drm_simple_display_pipe *pipe, @@ -630,16 +596,6 @@ static const uint64_t gm12u320_pipe_modifiers[] = { DRM_FORMAT_MOD_INVALID }; -static void gm12u320_driver_release(struct drm_device *dev) -{ - struct gm12u320_device *gm12u320 = dev->dev_private; - - gm12u320_usb_free(gm12u320); - drm_mode_config_cleanup(dev); - drm_dev_fini(dev); - kfree(gm12u320); -} - DEFINE_DRM_GEM_FOPS(gm12u320_fops); static struct drm_driver gm12u320_drm_driver = { @@ -651,7 +607,6 @@ static struct drm_driver gm12u320_drm_driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, - .release = gm12u320_driver_release, .fops = &gm12u320_fops, DRM_GEM_SHMEM_DRIVER_OPS, }; @@ -681,19 +636,22 @@ static int gm12u320_usb_probe(struct usb_interface *interface, return -ENOMEM; gm12u320->udev = interface_to_usbdev(interface); - INIT_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work); + INIT_DELAYED_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work); mutex_init(&gm12u320->fb_update.lock); - init_waitqueue_head(&gm12u320->fb_update.waitq); dev = &gm12u320->dev; - ret = drm_dev_init(dev, &gm12u320_drm_driver, &interface->dev); + ret = devm_drm_dev_init(&interface->dev, dev, &gm12u320_drm_driver); if (ret) { kfree(gm12u320); return ret; } dev->dev_private = gm12u320; + drmm_add_final_kfree(dev, gm12u320); + + ret = drmm_mode_config_init(dev); + if (ret) + return ret; - drm_mode_config_init(dev); dev->mode_config.min_width = GM12U320_USER_WIDTH; dev->mode_config.max_width = GM12U320_USER_WIDTH; dev->mode_config.min_height = GM12U320_HEIGHT; @@ -702,15 +660,15 @@ static int gm12u320_usb_probe(struct usb_interface *interface, ret = gm12u320_usb_alloc(gm12u320); if (ret) - goto err_put; + return ret; ret = gm12u320_set_ecomode(gm12u320); if (ret) - goto err_put; + return ret; ret = gm12u320_conn_init(gm12u320); if (ret) - goto err_put; + return ret; ret = drm_simple_display_pipe_init(&gm12u320->dev, &gm12u320->pipe, @@ -720,44 +678,34 @@ static int gm12u320_usb_probe(struct usb_interface *interface, gm12u320_pipe_modifiers, &gm12u320->conn); if (ret) - goto err_put; + return ret; drm_mode_config_reset(dev); usb_set_intfdata(interface, dev); ret = drm_dev_register(dev, 0); if (ret) - goto err_put; + return ret; drm_fbdev_generic_setup(dev, 0); return 0; - -err_put: - drm_dev_put(dev); - return ret; } static void gm12u320_usb_disconnect(struct usb_interface *interface) { struct drm_device *dev = usb_get_intfdata(interface); - struct gm12u320_device *gm12u320 = dev->dev_private; - gm12u320_stop_fb_update(gm12u320); drm_dev_unplug(dev); - drm_dev_put(dev); + drm_atomic_helper_shutdown(dev); } static __maybe_unused int gm12u320_suspend(struct usb_interface *interface, pm_message_t message) { struct drm_device *dev = usb_get_intfdata(interface); - struct gm12u320_device *gm12u320 = dev->dev_private; - if (gm12u320->pipe_enabled) - gm12u320_stop_fb_update(gm12u320); - - return 0; + return drm_mode_config_helper_suspend(dev); } static __maybe_unused int gm12u320_resume(struct usb_interface *interface) @@ -766,10 +714,8 @@ static __maybe_unused int gm12u320_resume(struct usb_interface *interface) struct gm12u320_device *gm12u320 = dev->dev_private; gm12u320_set_ecomode(gm12u320); - if (gm12u320->pipe_enabled) - gm12u320_start_fb_update(gm12u320); - return 0; + return drm_mode_config_helper_resume(dev); } static const struct usb_device_id id_table[] = { diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c index 9af8ff84974f..af7f3d10aac3 100644 --- a/drivers/gpu/drm/tiny/hx8357d.c +++ b/drivers/gpu/drm/tiny/hx8357d.c @@ -21,6 +21,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_modeset_helper.h> #include <video/mipi_display.h> @@ -195,7 +196,6 @@ DEFINE_DRM_GEM_CMA_FOPS(hx8357d_fops); static struct drm_driver hx8357d_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &hx8357d_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "hx8357d", @@ -236,8 +236,7 @@ static int hx8357d_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); dc = devm_gpiod_get(dev, "dc", GPIOD_OUT_LOW); if (IS_ERR(dc)) { diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c index 802fb8dde1b6..118477af4491 100644 --- a/drivers/gpu/drm/tiny/ili9225.c +++ b/drivers/gpu/drm/tiny/ili9225.c @@ -24,6 +24,7 @@ #include <drm/drm_fourcc.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_rect.h> @@ -345,7 +346,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9225_fops); static struct drm_driver ili9225_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &ili9225_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .name = "ili9225", .desc = "Ilitek ILI9225", @@ -387,8 +387,7 @@ static int ili9225_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(dbi->reset)) { diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c index 33b51dc7faa8..e152de369019 100644 --- a/drivers/gpu/drm/tiny/ili9341.c +++ b/drivers/gpu/drm/tiny/ili9341.c @@ -20,6 +20,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_modeset_helper.h> #include <video/mipi_display.h> @@ -151,7 +152,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops); static struct drm_driver ili9341_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &ili9341_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "ili9341", @@ -194,8 +194,7 @@ static int ili9341_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(dbi->reset)) { diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c index 532560aebb1e..c4079bf9e2c8 100644 --- a/drivers/gpu/drm/tiny/ili9486.c +++ b/drivers/gpu/drm/tiny/ili9486.c @@ -19,6 +19,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_modeset_helper.h> @@ -164,7 +165,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9486_fops); static struct drm_driver ili9486_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &ili9486_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "ili9486", @@ -208,8 +208,7 @@ static int ili9486_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(dbi->reset)) { diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c index e2cfd9a17143..decaf57053ff 100644 --- a/drivers/gpu/drm/tiny/mi0283qt.c +++ b/drivers/gpu/drm/tiny/mi0283qt.c @@ -18,6 +18,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_modeset_helper.h> #include <video/mipi_display.h> @@ -155,7 +156,6 @@ DEFINE_DRM_GEM_CMA_FOPS(mi0283qt_fops); static struct drm_driver mi0283qt_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &mi0283qt_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "mi0283qt", @@ -198,8 +198,7 @@ static int mi0283qt_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(dbi->reset)) { diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c index f5ebcaf7ee3a..862c3ee6055d 100644 --- a/drivers/gpu/drm/tiny/repaper.c +++ b/drivers/gpu/drm/tiny/repaper.c @@ -31,6 +31,7 @@ #include <drm/drm_format_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_modes.h> #include <drm/drm_rect.h> #include <drm/drm_probe_helper.h> @@ -908,17 +909,6 @@ static const struct drm_mode_config_funcs repaper_mode_config_funcs = { .atomic_commit = drm_atomic_helper_commit, }; -static void repaper_release(struct drm_device *drm) -{ - struct repaper_epd *epd = drm_to_epd(drm); - - DRM_DEBUG_DRIVER("\n"); - - drm_mode_config_cleanup(drm); - drm_dev_fini(drm); - kfree(epd); -} - static const uint32_t repaper_formats[] = { DRM_FORMAT_XRGB8888, }; @@ -956,7 +946,6 @@ DEFINE_DRM_GEM_CMA_FOPS(repaper_fops); static struct drm_driver repaper_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &repaper_fops, - .release = repaper_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .name = "repaper", .desc = "Pervasive Displays RePaper e-ink panels", @@ -1024,8 +1013,11 @@ static int repaper_probe(struct spi_device *spi) kfree(epd); return ret; } + drmm_add_final_kfree(drm, epd); - drm_mode_config_init(drm); + ret = drmm_mode_config_init(drm); + if (ret) + return ret; drm->mode_config.funcs = &repaper_mode_config_funcs; epd->spi = spi; diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c index 9ef559dd3191..c3295c717ba6 100644 --- a/drivers/gpu/drm/tiny/st7586.c +++ b/drivers/gpu/drm/tiny/st7586.c @@ -21,6 +21,7 @@ #include <drm/drm_format_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_rect.h> @@ -284,7 +285,6 @@ DEFINE_DRM_GEM_CMA_FOPS(st7586_fops); static struct drm_driver st7586_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &st7586_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "st7586", @@ -328,8 +328,7 @@ static int st7586_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); bufsize = (st7586_mode.vdisplay + 2) / 3 * st7586_mode.hdisplay; diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c index 3cd9b8d9888d..c2c7dc0224dd 100644 --- a/drivers/gpu/drm/tiny/st7735r.c +++ b/drivers/gpu/drm/tiny/st7735r.c @@ -21,6 +21,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #define ST7735R_FRMCTR1 0xb1 @@ -156,7 +157,6 @@ DEFINE_DRM_GEM_CMA_FOPS(st7735r_fops); static struct drm_driver st7735r_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &st7735r_fops, - .release = mipi_dbi_release, DRM_GEM_CMA_VMAP_DRIVER_OPS, .debugfs_init = mipi_dbi_debugfs_init, .name = "st7735r", @@ -209,8 +209,7 @@ static int st7735r_probe(struct spi_device *spi) kfree(dbidev); return ret; } - - drm_mode_config_init(drm); + drmm_add_final_kfree(drm, dbidev); dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(dbi->reset)) { diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 9e07c3f75156..f73b81c2576e 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -588,7 +588,8 @@ static void ttm_bo_release(struct kref *kref) ttm_mem_io_unlock(man); } - if (!dma_resv_test_signaled_rcu(bo->base.resv, true)) { + if (!dma_resv_test_signaled_rcu(bo->base.resv, true) || + !dma_resv_trylock(bo->base.resv)) { /* The BO is not idle, resurrect it for delayed destroy */ ttm_bo_flush_all_fences(bo); bo->deleted = true; @@ -621,6 +622,7 @@ static void ttm_bo_release(struct kref *kref) spin_unlock(&ttm_bo_glob.lru_lock); ttm_bo_cleanup_memtype_use(bo); + dma_resv_unlock(bo->base.resv); BUG_ON(bo->mem.mm_node != NULL); atomic_dec(&ttm_bo_glob.bo_count); diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index e6c1cd77d4d4..9cc6d075cb40 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -10,6 +10,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_file.h> #include <drm/drm_gem_shmem_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_ioctl.h> #include <drm/drm_probe_helper.h> #include <drm/drm_print.h> @@ -33,17 +34,8 @@ static int udl_usb_resume(struct usb_interface *interface) DEFINE_DRM_GEM_FOPS(udl_driver_fops); -static void udl_driver_release(struct drm_device *dev) -{ - udl_fini(dev); - udl_modeset_cleanup(dev); - drm_dev_fini(dev); - kfree(dev); -} - static struct drm_driver driver = { .driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET, - .release = udl_driver_release, /* gem hooks */ .gem_create_object = udl_driver_gem_create_object, @@ -77,11 +69,11 @@ static struct udl_device *udl_driver_create(struct usb_interface *interface) udl->udev = udev; udl->drm.dev_private = udl; + drmm_add_final_kfree(&udl->drm, udl); r = udl_init(udl); if (r) { - drm_dev_fini(&udl->drm); - kfree(udl); + drm_dev_put(&udl->drm); return ERR_PTR(r); } @@ -105,14 +97,10 @@ static int udl_usb_probe(struct usb_interface *interface, DRM_INFO("Initialized udl on minor %d\n", udl->drm.primary->index); - r = drm_fbdev_generic_setup(&udl->drm, 0); - if (r) - goto err_drm_dev_unregister; + drm_fbdev_generic_setup(&udl->drm, 0); return 0; -err_drm_dev_unregister: - drm_dev_unregister(&udl->drm); err_free: drm_dev_put(&udl->drm); return r; @@ -122,7 +110,7 @@ static void udl_usb_disconnect(struct usb_interface *interface) { struct drm_device *dev = usb_get_intfdata(interface); - drm_kms_helper_poll_disable(dev); + drm_kms_helper_poll_fini(dev); udl_drop_usb(dev); drm_dev_unplug(dev); drm_dev_put(dev); diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index e67227c44cc4..2642f94a63fc 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -68,7 +68,6 @@ struct udl_device { /* modeset */ int udl_modeset_init(struct drm_device *dev); -void udl_modeset_cleanup(struct drm_device *dev); struct drm_connector *udl_connector_init(struct drm_device *dev); struct urb *udl_get_urb(struct drm_device *dev); @@ -77,7 +76,6 @@ int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len); void udl_urb_completion(struct urb *urb); int udl_init(struct udl_device *udl); -void udl_fini(struct drm_device *dev); int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr, const char *front, char **urb_buf_ptr, diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 538718919916..f5d27f2a5654 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -351,13 +351,3 @@ int udl_drop_usb(struct drm_device *dev) udl_free_urb_list(dev); return 0; } - -void udl_fini(struct drm_device *dev) -{ - struct udl_device *udl = to_udl(dev); - - drm_kms_helper_poll_fini(dev); - - if (udl->urbs.count) - udl_free_urb_list(dev); -} diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index d59ebac70b15..8cad01f3d163 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -468,7 +468,9 @@ int udl_modeset_init(struct drm_device *dev) struct drm_connector *connector; int ret; - drm_mode_config_init(dev); + ret = drmm_mode_config_init(dev); + if (ret) + return ret; dev->mode_config.min_width = 640; dev->mode_config.min_height = 480; @@ -482,10 +484,8 @@ int udl_modeset_init(struct drm_device *dev) dev->mode_config.funcs = &udl_mode_funcs; connector = udl_connector_init(dev); - if (IS_ERR(connector)) { - ret = PTR_ERR(connector); - goto err_drm_mode_config_cleanup; - } + if (IS_ERR(connector)) + return PTR_ERR(connector); format_count = ARRAY_SIZE(udl_simple_display_pipe_formats); @@ -494,18 +494,9 @@ int udl_modeset_init(struct drm_device *dev) udl_simple_display_pipe_formats, format_count, NULL, connector); if (ret) - goto err_drm_mode_config_cleanup; + return ret; drm_mode_config_reset(dev); return 0; - -err_drm_mode_config_cleanup: - drm_mode_config_cleanup(dev); - return ret; -} - -void udl_modeset_cleanup(struct drm_device *dev) -{ - drm_mode_config_cleanup(dev); } diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c index 9e953ce64ef7..2b0ea5f8febd 100644 --- a/drivers/gpu/drm/v3d/v3d_debugfs.c +++ b/drivers/gpu/drm/v3d/v3d_debugfs.c @@ -258,10 +258,10 @@ static const struct drm_info_list v3d_debugfs_list[] = { {"bo_stats", v3d_debugfs_bo_stats, 0}, }; -int +void v3d_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(v3d_debugfs_list, - ARRAY_SIZE(v3d_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(v3d_debugfs_list, + ARRAY_SIZE(v3d_debugfs_list), + minor->debugfs_root, minor); } diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index eaa8e9682373..8d0c0daaac81 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -25,6 +25,7 @@ #include <drm/drm_drv.h> #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_managed.h> #include <uapi/drm/v3d_drm.h> #include "v3d_drv.h" @@ -257,13 +258,23 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) v3d->pdev = pdev; drm = &v3d->drm; + ret = drm_dev_init(&v3d->drm, &v3d_drm_driver, dev); + if (ret) { + kfree(v3d); + return ret; + } + + platform_set_drvdata(pdev, drm); + drm->dev_private = v3d; + drmm_add_final_kfree(drm, v3d); + ret = map_regs(v3d, &v3d->hub_regs, "hub"); if (ret) - goto dev_free; + goto dev_destroy; ret = map_regs(v3d, &v3d->core_regs[0], "core0"); if (ret) - goto dev_free; + goto dev_destroy; mmu_debug = V3D_READ(V3D_MMU_DEBUG_INFO); dev->coherent_dma_mask = @@ -281,21 +292,21 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) ret = PTR_ERR(v3d->reset); if (ret == -EPROBE_DEFER) - goto dev_free; + goto dev_destroy; v3d->reset = NULL; ret = map_regs(v3d, &v3d->bridge_regs, "bridge"); if (ret) { dev_err(dev, "Failed to get reset control or bridge regs\n"); - goto dev_free; + goto dev_destroy; } } if (v3d->ver < 41) { ret = map_regs(v3d, &v3d->gca_regs, "gca"); if (ret) - goto dev_free; + goto dev_destroy; } v3d->mmu_scratch = dma_alloc_wc(dev, 4096, &v3d->mmu_scratch_paddr, @@ -303,23 +314,16 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) if (!v3d->mmu_scratch) { dev_err(dev, "Failed to allocate MMU scratch page\n"); ret = -ENOMEM; - goto dev_free; + goto dev_destroy; } pm_runtime_use_autosuspend(dev); pm_runtime_set_autosuspend_delay(dev, 50); pm_runtime_enable(dev); - ret = drm_dev_init(&v3d->drm, &v3d_drm_driver, dev); - if (ret) - goto dma_free; - - platform_set_drvdata(pdev, drm); - drm->dev_private = v3d; - ret = v3d_gem_init(drm); if (ret) - goto dev_destroy; + goto dma_free; ret = v3d_irq_init(v3d); if (ret) @@ -335,12 +339,10 @@ irq_disable: v3d_irq_disable(v3d); gem_destroy: v3d_gem_destroy(drm); -dev_destroy: - drm_dev_put(drm); dma_free: dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr); -dev_free: - kfree(v3d); +dev_destroy: + drm_dev_put(drm); return ret; } diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index ac2603334587..e0775c884553 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -316,7 +316,7 @@ struct drm_gem_object *v3d_prime_import_sg_table(struct drm_device *dev, struct sg_table *sgt); /* v3d_debugfs.c */ -int v3d_debugfs_init(struct drm_minor *minor); +void v3d_debugfs_init(struct drm_minor *minor); /* v3d_fence.c */ extern const struct dma_fence_ops v3d_fence_ops; diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c index ac8f75db2ecd..282348e071fe 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_drv.c +++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c @@ -17,6 +17,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_file.h> #include <drm/drm_ioctl.h> +#include <drm/drm_managed.h> #include "vbox_drv.h" @@ -58,6 +59,7 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) vbox->ddev.pdev = pdev; vbox->ddev.dev_private = vbox; pci_set_drvdata(pdev, vbox); + drmm_add_final_kfree(&vbox->ddev, vbox); mutex_init(&vbox->hw_mutex); ret = pci_enable_device(pdev); @@ -80,14 +82,12 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto err_mode_fini; - ret = drm_fbdev_generic_setup(&vbox->ddev, 32); - if (ret) - goto err_irq_fini; - ret = drm_dev_register(&vbox->ddev, 0); if (ret) goto err_irq_fini; + drm_fbdev_generic_setup(&vbox->ddev, 32); + return 0; err_irq_fini: diff --git a/drivers/gpu/drm/vc4/vc4_debugfs.c b/drivers/gpu/drm/vc4/vc4_debugfs.c index b61b2d3407b5..4fbbf980a299 100644 --- a/drivers/gpu/drm/vc4/vc4_debugfs.c +++ b/drivers/gpu/drm/vc4/vc4_debugfs.c @@ -20,7 +20,7 @@ struct vc4_debugfs_info_entry { * Called at drm_dev_register() time on each of the minors registered * by the DRM device, to attach the debugfs files. */ -int +void vc4_debugfs_init(struct drm_minor *minor) { struct vc4_dev *vc4 = to_vc4_dev(minor->dev); @@ -30,14 +30,9 @@ vc4_debugfs_init(struct drm_minor *minor) minor->debugfs_root, &vc4->load_tracker_enabled); list_for_each_entry(entry, &vc4->debugfs_list, link) { - int ret = drm_debugfs_create_files(&entry->info, 1, - minor->debugfs_root, minor); - - if (ret) - return ret; + drm_debugfs_create_files(&entry->info, 1, + minor->debugfs_root, minor); } - - return 0; } static int vc4_debugfs_regset32(struct seq_file *m, void *unused) diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 6dfede03396e..a90f2545baee 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -17,6 +17,7 @@ #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <linux/clk.h> #include <linux/component.h> #include <linux/of_graph.h> @@ -114,10 +115,6 @@ static const struct debugfs_reg32 dpi_regs[] = { VC4_REG32(DPI_ID), }; -static const struct drm_encoder_funcs vc4_dpi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static void vc4_dpi_encoder_disable(struct drm_encoder *encoder) { struct vc4_dpi_encoder *vc4_encoder = to_vc4_dpi_encoder(encoder); @@ -309,8 +306,7 @@ static int vc4_dpi_bind(struct device *dev, struct device *master, void *data) if (ret) DRM_ERROR("Failed to turn on core clock: %d\n", ret); - drm_encoder_init(drm, dpi->encoder, &vc4_dpi_encoder_funcs, - DRM_MODE_ENCODER_DPI, NULL); + drm_simple_encoder_init(drm, dpi->encoder, DRM_MODE_ENCODER_DPI); drm_encoder_helper_add(dpi->encoder, &vc4_dpi_encoder_helper_funcs); ret = vc4_dpi_init_bridge(dpi); diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 139d25a8328e..3b1f02efefbe 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -759,7 +759,7 @@ void vc4_crtc_get_margins(struct drm_crtc_state *state, unsigned int *top, unsigned int *bottom); /* vc4_debugfs.c */ -int vc4_debugfs_init(struct drm_minor *minor); +void vc4_debugfs_init(struct drm_minor *minor); #ifdef CONFIG_DEBUG_FS void vc4_debugfs_add_file(struct drm_device *drm, const char *filename, diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c index d99b1d526651..eaf276978ee7 100644 --- a/drivers/gpu/drm/vc4/vc4_dsi.c +++ b/drivers/gpu/drm/vc4/vc4_dsi.c @@ -37,6 +37,7 @@ #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "vc4_drv.h" #include "vc4_regs.h" @@ -652,15 +653,6 @@ static const struct debugfs_reg32 dsi1_regs[] = { VC4_REG32(DSI1_ID), }; -static void vc4_dsi_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs vc4_dsi_encoder_funcs = { - .destroy = vc4_dsi_encoder_destroy, -}; - static void vc4_dsi_latch_ulps(struct vc4_dsi *dsi, bool latch) { u32 afec0 = DSI_PORT_READ(PHY_AFEC0); @@ -1615,8 +1607,7 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) if (dsi->port == 1) vc4->dsi1 = dsi; - drm_encoder_init(drm, dsi->encoder, &vc4_dsi_encoder_funcs, - DRM_MODE_ENCODER_DSI, NULL); + drm_simple_encoder_init(drm, dsi->encoder, DRM_MODE_ENCODER_DSI); drm_encoder_helper_add(dsi->encoder, &vc4_dsi_encoder_helper_funcs); ret = drm_bridge_attach(dsi->encoder, dsi->bridge, NULL, 0); @@ -1656,7 +1647,7 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master, * normally. */ list_splice_init(&dsi->bridge_chain, &dsi->encoder->bridge_chain); - vc4_dsi_encoder_destroy(dsi->encoder); + drm_encoder_cleanup(dsi->encoder); if (dsi->port == 1) vc4->dsi1 = NULL; diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 340719238753..625bfcf52dc4 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -34,6 +34,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_edid.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <linux/clk.h> #include <linux/component.h> #include <linux/i2c.h> @@ -306,15 +307,6 @@ static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, return connector; } -static void vc4_hdmi_encoder_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs vc4_hdmi_encoder_funcs = { - .destroy = vc4_hdmi_encoder_destroy, -}; - static int vc4_hdmi_stop_packet(struct drm_encoder *encoder, enum hdmi_infoframe_type type) { @@ -1406,8 +1398,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) } pm_runtime_enable(dev); - drm_encoder_init(drm, hdmi->encoder, &vc4_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, hdmi->encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(hdmi->encoder, &vc4_hdmi_encoder_helper_funcs); hdmi->connector = @@ -1465,7 +1456,7 @@ err_destroy_conn: vc4_hdmi_connector_destroy(hdmi->connector); #endif err_destroy_encoder: - vc4_hdmi_encoder_destroy(hdmi->encoder); + drm_encoder_cleanup(hdmi->encoder); err_unprepare_hsm: clk_disable_unprepare(hdmi->hsm_clock); pm_runtime_disable(dev); @@ -1484,7 +1475,7 @@ static void vc4_hdmi_unbind(struct device *dev, struct device *master, cec_unregister_adapter(hdmi->cec_adap); vc4_hdmi_connector_destroy(hdmi->connector); - vc4_hdmi_encoder_destroy(hdmi->encoder); + drm_encoder_cleanup(hdmi->encoder); clk_disable_unprepare(hdmi->hsm_clock); pm_runtime_disable(dev); diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c index 7402bc768664..bd5b8eb58b18 100644 --- a/drivers/gpu/drm/vc4/vc4_vec.c +++ b/drivers/gpu/drm/vc4/vc4_vec.c @@ -17,6 +17,7 @@ #include <drm/drm_edid.h> #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include <linux/clk.h> #include <linux/component.h> #include <linux/of_graph.h> @@ -374,10 +375,6 @@ static struct drm_connector *vc4_vec_connector_init(struct drm_device *dev, return connector; } -static const struct drm_encoder_funcs vc4_vec_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static void vc4_vec_encoder_disable(struct drm_encoder *encoder) { struct vc4_vec_encoder *vc4_vec_encoder = to_vc4_vec_encoder(encoder); @@ -566,8 +563,7 @@ static int vc4_vec_bind(struct device *dev, struct device *master, void *data) pm_runtime_enable(dev); - drm_encoder_init(drm, vec->encoder, &vc4_vec_encoder_funcs, - DRM_MODE_ENCODER_TVDAC, NULL); + drm_simple_encoder_init(drm, vec->encoder, DRM_MODE_ENCODER_TVDAC); drm_encoder_helper_add(vec->encoder, &vc4_vec_encoder_helper_funcs); vec->connector = vc4_vec_connector_init(drm, vec); diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index 909eba43664a..ec1a8ebb6f1b 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -39,6 +39,7 @@ #include <drm/drm_drv.h> #include <drm/drm_file.h> #include <drm/drm_ioctl.h> +#include <drm/drm_managed.h> #include <drm/drm_prime.h> #include "vgem_drv.h" @@ -431,9 +432,6 @@ static void vgem_release(struct drm_device *dev) struct vgem_device *vgem = container_of(dev, typeof(*vgem), drm); platform_device_unregister(vgem->platform); - drm_dev_fini(&vgem->drm); - - kfree(vgem); } static struct drm_driver vgem_driver = { @@ -489,16 +487,19 @@ static int __init vgem_init(void) &vgem_device->platform->dev); if (ret) goto out_unregister; + drmm_add_final_kfree(&vgem_device->drm, vgem_device); /* Final step: expose the device/driver to userspace */ - ret = drm_dev_register(&vgem_device->drm, 0); + ret = drm_dev_register(&vgem_device->drm, 0); if (ret) - goto out_fini; + goto out_put; return 0; -out_fini: - drm_dev_fini(&vgem_device->drm); +out_put: + drm_dev_put(&vgem_device->drm); + return ret; + out_unregister: platform_device_unregister(vgem_device->platform); out_free: diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c index e27120d512b0..3221520f61f0 100644 --- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c +++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c @@ -72,11 +72,10 @@ static struct drm_info_list virtio_gpu_debugfs_list[] = { #define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list) -int +void virtio_gpu_debugfs_init(struct drm_minor *minor) { drm_debugfs_create_files(virtio_gpu_debugfs_list, VIRTIO_GPU_DEBUGFS_ENTRIES, minor->debugfs_root, minor); - return 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 2b7e6ae65546..cc7fd957a307 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -30,6 +30,7 @@ #include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "virtgpu_drv.h" @@ -240,10 +241,6 @@ static const struct drm_connector_funcs virtio_gpu_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -static const struct drm_encoder_funcs virtio_gpu_enc_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index) { struct drm_device *dev = vgdev->ddev; @@ -276,8 +273,7 @@ static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index) if (vgdev->has_edid) drm_connector_attach_edid_property(connector); - drm_encoder_init(dev, encoder, &virtio_gpu_enc_funcs, - DRM_MODE_ENCODER_VIRTUAL, NULL); + drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL); drm_encoder_helper_add(encoder, &virtio_gpu_enc_helper_funcs); encoder->possible_crtcs = 1 << index; diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index c1824bdf2418..49bebdee6d91 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -218,26 +218,18 @@ struct virtio_gpu_fpriv { struct mutex context_lock; }; -/* virtio_ioctl.c */ +/* virtgpu_ioctl.c */ #define DRM_VIRTIO_NUM_IOCTLS 10 extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS]; -/* virtio_kms.c */ +/* virtgpu_kms.c */ int virtio_gpu_init(struct drm_device *dev); void virtio_gpu_deinit(struct drm_device *dev); void virtio_gpu_release(struct drm_device *dev); int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file); void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file); -/* virtio_gem.c */ -void virtio_gpu_gem_free_object(struct drm_gem_object *gem_obj); -int virtio_gpu_gem_init(struct virtio_gpu_device *vgdev); -void virtio_gpu_gem_fini(struct virtio_gpu_device *vgdev); -int virtio_gpu_gem_create(struct drm_file *file, - struct drm_device *dev, - struct virtio_gpu_object_params *params, - struct drm_gem_object **obj_p, - uint32_t *handle_p); +/* virtgpu_gem.c */ int virtio_gpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file); void virtio_gpu_gem_object_close(struct drm_gem_object *obj, @@ -263,7 +255,7 @@ void virtio_gpu_array_put_free_delayed(struct virtio_gpu_device *vgdev, struct virtio_gpu_object_array *objs); void virtio_gpu_array_put_free_work(struct work_struct *work); -/* virtio vg */ +/* virtgpu_vq.c */ int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev); void virtio_gpu_free_vbufs(struct virtio_gpu_device *vgdev); void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, @@ -287,10 +279,10 @@ void virtio_gpu_cmd_set_scanout(struct virtio_gpu_device *vgdev, uint32_t scanout_id, uint32_t resource_id, uint32_t width, uint32_t height, uint32_t x, uint32_t y); -int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, - struct virtio_gpu_object *obj, - struct virtio_gpu_mem_entry *ents, - unsigned int nents); +void virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object *obj, + struct virtio_gpu_mem_entry *ents, + unsigned int nents); int virtio_gpu_attach_status_page(struct virtio_gpu_device *vgdev); int virtio_gpu_detach_status_page(struct virtio_gpu_device *vgdev); void virtio_gpu_cursor_ping(struct virtio_gpu_device *vgdev, @@ -343,17 +335,17 @@ void virtio_gpu_dequeue_fence_func(struct work_struct *work); void virtio_gpu_notify(struct virtio_gpu_device *vgdev); -/* virtio_gpu_display.c */ +/* virtgpu_display.c */ void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev); void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev); -/* virtio_gpu_plane.c */ +/* virtgpu_plane.c */ uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc); struct drm_plane *virtio_gpu_plane_init(struct virtio_gpu_device *vgdev, enum drm_plane_type type, int index); -/* virtio_gpu_fence.c */ +/* virtgpu_fence.c */ struct virtio_gpu_fence *virtio_gpu_fence_alloc( struct virtio_gpu_device *vgdev); void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, @@ -362,7 +354,7 @@ void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev, u64 last_seq); -/* virtio_gpu_object */ +/* virtgpu_object.c */ void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo); struct drm_gem_object *virtio_gpu_create_object(struct drm_device *dev, size_t size); @@ -378,7 +370,7 @@ struct drm_gem_object *virtgpu_gem_prime_import_sg_table( struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); -/* virgl debugfs */ -int virtio_gpu_debugfs_init(struct drm_minor *minor); +/* virtgpu_debugfs.c */ +void virtio_gpu_debugfs_init(struct drm_minor *minor); #endif diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c index 0d6152c99a27..1025658be4df 100644 --- a/drivers/gpu/drm/virtio/virtgpu_gem.c +++ b/drivers/gpu/drm/virtio/virtgpu_gem.c @@ -28,11 +28,11 @@ #include "virtgpu_drv.h" -int virtio_gpu_gem_create(struct drm_file *file, - struct drm_device *dev, - struct virtio_gpu_object_params *params, - struct drm_gem_object **obj_p, - uint32_t *handle_p) +static int virtio_gpu_gem_create(struct drm_file *file, + struct drm_device *dev, + struct virtio_gpu_object_params *params, + struct drm_gem_object **obj_p, + uint32_t *handle_p) { struct virtio_gpu_device *vgdev = dev->dev_private; struct virtio_gpu_object *obj; @@ -114,7 +114,7 @@ int virtio_gpu_gem_object_open(struct drm_gem_object *obj, struct virtio_gpu_object_array *objs; if (!vgdev->has_virgl_3d) - return 0; + goto out_notify; objs = virtio_gpu_array_alloc(1); if (!objs) @@ -123,6 +123,7 @@ int virtio_gpu_gem_object_open(struct drm_gem_object *obj, virtio_gpu_cmd_context_attach_resource(vgdev, vfpriv->ctx_id, objs); +out_notify: virtio_gpu_notify(vgdev); return 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 336cc9143205..867c5e239d55 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -47,7 +47,6 @@ static void virtio_gpu_create_context(struct drm_device *dev, get_task_comm(dbgname, current); virtio_gpu_cmd_context_create(vgdev, vfpriv->ctx_id, strlen(dbgname), dbgname); - virtio_gpu_notify(vgdev); vfpriv->context_created = true; out_unlock: diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index d9039bb7c5e3..6ccbd01cd888 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -235,13 +235,8 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, return ret; } - ret = virtio_gpu_object_attach(vgdev, bo, ents, nents); - if (ret != 0) { - virtio_gpu_free_object(&shmem_obj->base); - return ret; - } + virtio_gpu_object_attach(vgdev, bo, ents, nents); - virtio_gpu_notify(vgdev); *bo_ptr = bo; return 0; diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 73854915ec34..9e663a5d9952 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -1087,14 +1087,13 @@ void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev, virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence); } -int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, - struct virtio_gpu_object *obj, - struct virtio_gpu_mem_entry *ents, - unsigned int nents) +void virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object *obj, + struct virtio_gpu_mem_entry *ents, + unsigned int nents) { virtio_gpu_cmd_resource_attach_backing(vgdev, obj->hw_res_handle, ents, nents, NULL); - return 0; } void virtio_gpu_cursor_ping(struct virtio_gpu_device *vgdev, diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index 860de052e820..eef85f1a0ce5 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -21,6 +21,7 @@ #include <drm/drm_file.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_ioctl.h> +#include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> @@ -63,7 +64,6 @@ static void vkms_release(struct drm_device *dev) platform_device_unregister(vkms->platform); drm_atomic_helper_shutdown(&vkms->drm); drm_mode_config_cleanup(&vkms->drm); - drm_dev_fini(&vkms->drm); destroy_workqueue(vkms->output.composer_workq); } @@ -158,13 +158,14 @@ static int __init vkms_init(void) &vkms_device->platform->dev); if (ret) goto out_unregister; + drmm_add_final_kfree(&vkms_device->drm, vkms_device); ret = dma_coerce_mask_and_coherent(vkms_device->drm.dev, DMA_BIT_MASK(64)); if (ret) { DRM_ERROR("Could not initialize DMA support\n"); - goto out_fini; + goto out_put; } vkms_device->drm.irq_enabled = true; @@ -172,25 +173,25 @@ static int __init vkms_init(void) ret = drm_vblank_init(&vkms_device->drm, 1); if (ret) { DRM_ERROR("Failed to vblank\n"); - goto out_fini; + goto out_put; } ret = vkms_modeset_init(vkms_device); if (ret) - goto out_fini; + goto out_put; ret = drm_dev_register(&vkms_device->drm, 0); if (ret) - goto out_fini; + goto out_put; return 0; -out_fini: - drm_dev_fini(&vkms_device->drm); +out_put: + drm_dev_put(&vkms_device->drm); + return ret; out_unregister: platform_device_unregister(vkms_device->platform); - out_free: kfree(vkms_device); return ret; @@ -205,8 +206,6 @@ static void __exit vkms_exit(void) drm_dev_unregister(&vkms_device->drm); drm_dev_put(&vkms_device->drm); - - kfree(vkms_device); } module_init(vkms_init); diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c index fb1941a6522c..85afb77e97f0 100644 --- a/drivers/gpu/drm/vkms/vkms_output.c +++ b/drivers/gpu/drm/vkms/vkms_output.c @@ -3,6 +3,7 @@ #include "vkms_drv.h" #include <drm/drm_atomic_helper.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> static void vkms_connector_destroy(struct drm_connector *connector) { @@ -17,10 +18,6 @@ static const struct drm_connector_funcs vkms_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -static const struct drm_encoder_funcs vkms_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int vkms_conn_get_modes(struct drm_connector *connector) { int count; @@ -70,8 +67,7 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index) drm_connector_helper_add(connector, &vkms_conn_helper_funcs); - ret = drm_encoder_init(dev, encoder, &vkms_encoder_funcs, - DRM_MODE_ENCODER_VIRTUAL, NULL); + ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL); if (ret) { DRM_ERROR("Failed to init encoder\n"); goto err_encoder; diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c index 374142018171..1fd458e877ca 100644 --- a/drivers/gpu/drm/xen/xen_drm_front.c +++ b/drivers/gpu/drm/xen/xen_drm_front.c @@ -460,9 +460,6 @@ static void xen_drm_drv_release(struct drm_device *dev) drm_atomic_helper_shutdown(dev); drm_mode_config_cleanup(dev); - drm_dev_fini(dev); - kfree(dev); - if (front_info->cfg.be_alloc) xenbus_switch_state(front_info->xb_dev, XenbusStateInitialising); @@ -561,6 +558,7 @@ fail_register: fail_modeset: drm_kms_helper_poll_fini(drm_dev); drm_mode_config_cleanup(drm_dev); + drm_dev_put(drm_dev); fail: kfree(drm_info); return ret; diff --git a/drivers/gpu/drm/zte/zx_hdmi.c b/drivers/gpu/drm/zte/zx_hdmi.c index b98a1420dcd3..76a16d997a23 100644 --- a/drivers/gpu/drm/zte/zx_hdmi.c +++ b/drivers/gpu/drm/zte/zx_hdmi.c @@ -20,6 +20,7 @@ #include <drm/drm_of.h> #include <drm/drm_probe_helper.h> #include <drm/drm_print.h> +#include <drm/drm_simple_kms_helper.h> #include <sound/hdmi-codec.h> @@ -254,10 +255,6 @@ static const struct drm_encoder_helper_funcs zx_hdmi_encoder_helper_funcs = { .mode_set = zx_hdmi_encoder_mode_set, }; -static const struct drm_encoder_funcs zx_hdmi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int zx_hdmi_connector_get_modes(struct drm_connector *connector) { struct zx_hdmi *hdmi = to_zx_hdmi(connector); @@ -313,8 +310,7 @@ static int zx_hdmi_register(struct drm_device *drm, struct zx_hdmi *hdmi) encoder->possible_crtcs = VOU_CRTC_MASK; - drm_encoder_init(drm, encoder, &zx_hdmi_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); drm_encoder_helper_add(encoder, &zx_hdmi_encoder_helper_funcs); hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; diff --git a/drivers/gpu/drm/zte/zx_tvenc.c b/drivers/gpu/drm/zte/zx_tvenc.c index c598b7daf1f1..d8a89ba383bc 100644 --- a/drivers/gpu/drm/zte/zx_tvenc.c +++ b/drivers/gpu/drm/zte/zx_tvenc.c @@ -14,6 +14,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "zx_drm_drv.h" #include "zx_tvenc_regs.h" @@ -218,10 +219,6 @@ static const struct drm_encoder_helper_funcs zx_tvenc_encoder_helper_funcs = { .mode_set = zx_tvenc_encoder_mode_set, }; -static const struct drm_encoder_funcs zx_tvenc_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int zx_tvenc_connector_get_modes(struct drm_connector *connector) { struct zx_tvenc *tvenc = to_zx_tvenc(connector); @@ -285,8 +282,7 @@ static int zx_tvenc_register(struct drm_device *drm, struct zx_tvenc *tvenc) */ encoder->possible_crtcs = BIT(1); - drm_encoder_init(drm, encoder, &zx_tvenc_encoder_funcs, - DRM_MODE_ENCODER_TVDAC, NULL); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TVDAC); drm_encoder_helper_add(encoder, &zx_tvenc_encoder_helper_funcs); connector->interlace_allowed = true; diff --git a/drivers/gpu/drm/zte/zx_vga.c b/drivers/gpu/drm/zte/zx_vga.c index c4fa3bbaba78..a7ed7f5ca837 100644 --- a/drivers/gpu/drm/zte/zx_vga.c +++ b/drivers/gpu/drm/zte/zx_vga.c @@ -14,6 +14,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "zx_drm_drv.h" #include "zx_vga_regs.h" @@ -72,10 +73,6 @@ static const struct drm_encoder_helper_funcs zx_vga_encoder_helper_funcs = { .disable = zx_vga_encoder_disable, }; -static const struct drm_encoder_funcs zx_vga_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - static int zx_vga_connector_get_modes(struct drm_connector *connector) { struct zx_vga *vga = to_zx_vga(connector); @@ -154,8 +151,7 @@ static int zx_vga_register(struct drm_device *drm, struct zx_vga *vga) encoder->possible_crtcs = VOU_CRTC_MASK; - ret = drm_encoder_init(drm, encoder, &zx_vga_encoder_funcs, - DRM_MODE_ENCODER_DAC, NULL); + ret = drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_DAC); if (ret) { DRM_DEV_ERROR(dev, "failed to init encoder: %d\n", ret); return ret; diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index d567f5d56c13..1e252192569a 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -1114,7 +1114,6 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) sinfo->irq_base = platform_get_irq(pdev, 0); if (sinfo->irq_base < 0) { - dev_err(dev, "unable to get irq\n"); ret = sinfo->irq_base; goto stop_clk; } diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c index 175d2598f28e..49d192869cf5 100644 --- a/drivers/video/fbdev/aty/atyfb_base.c +++ b/drivers/video/fbdev/aty/atyfb_base.c @@ -126,7 +126,7 @@ #ifdef DEBUG #define DPRINTK(fmt, args...) printk(KERN_DEBUG "atyfb: " fmt, ## args) #else -#define DPRINTK(fmt, args...) +#define DPRINTK(fmt, args...) no_printk(fmt, ##args) #endif #define PRINTKI(fmt, args...) printk(KERN_INFO "atyfb: " fmt, ## args) diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index 8e2e19f3bf44..d62a1e43864e 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -44,7 +44,7 @@ #ifdef DEBUG #define DPRINTK(fmt, args...) printk(fmt,## args) #else -#define DPRINTK(fmt, args...) +#define DPRINTK(fmt, args...) no_printk(fmt, ##args) #endif #define FBMON_FIX_HEADER 1 diff --git a/drivers/video/fbdev/cyber2000fb.c b/drivers/video/fbdev/cyber2000fb.c index 460826a7ad55..513f58f28b0f 100644 --- a/drivers/video/fbdev/cyber2000fb.c +++ b/drivers/video/fbdev/cyber2000fb.c @@ -1160,12 +1160,14 @@ EXPORT_SYMBOL(cyber2000fb_detach); #define DDC_SDA_IN (1 << 6) static void cyber2000fb_enable_ddc(struct cfb_info *cfb) + __acquires(&cfb->reg_b0_lock) { spin_lock(&cfb->reg_b0_lock); cyber2000fb_writew(0x1bf, 0x3ce, cfb); } static void cyber2000fb_disable_ddc(struct cfb_info *cfb) + __releases(&cfb->reg_b0_lock) { cyber2000fb_writew(0x0bf, 0x3ce, cfb); spin_unlock(&cfb->reg_b0_lock); diff --git a/drivers/video/fbdev/matrox/g450_pll.c b/drivers/video/fbdev/matrox/g450_pll.c index c15f8a57498e..ff8e321a22ce 100644 --- a/drivers/video/fbdev/matrox/g450_pll.c +++ b/drivers/video/fbdev/matrox/g450_pll.c @@ -333,11 +333,9 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, unsigned int *deltaarray) { unsigned int mnpcount; - unsigned int pixel_vco; const struct matrox_pll_limits* pi; struct matrox_pll_cache* ci; - pixel_vco = 0; switch (pll) { case M_PIXEL_PLL_A: case M_PIXEL_PLL_B: @@ -420,7 +418,6 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, mnp = matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) << 16; mnp |= matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) << 8; - pixel_vco = g450_mnp2vco(minfo, mnp); matroxfb_DAC_unlock_irqrestore(flags); } pi = &minfo->limits.video; @@ -441,25 +438,6 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, unsigned int delta; vco = g450_mnp2vco(minfo, mnp); -#if 0 - if (pll == M_VIDEO_PLL) { - unsigned int big, small; - - if (vco < pixel_vco) { - small = vco; - big = pixel_vco; - } else { - small = pixel_vco; - big = vco; - } - while (big > small) { - big >>= 1; - } - if (big == small) { - continue; - } - } -#endif delta = pll_freq_delta(fout, g450_vco2f(mnp, vco)); for (idx = mnpcount; idx > 0; idx--) { /* == is important; due to nextpll algorithm we get diff --git a/drivers/video/fbdev/matrox/matroxfb_base.h b/drivers/video/fbdev/matrox/matroxfb_base.h index f85ad25659e5..759dee996af1 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.h +++ b/drivers/video/fbdev/matrox/matroxfb_base.h @@ -86,7 +86,7 @@ #ifdef DEBUG #define dprintk(X...) printk(X) #else -#define dprintk(X...) +#define dprintk(X...) no_printk(X) #endif #ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c index 42569264801f..d40b806461ca 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c @@ -184,7 +184,6 @@ static void mb86290fb_imageblit16(u32 *cmd, u16 step, u16 dx, u16 dy, static void mb86290fb_imageblit(struct fb_info *info, const struct fb_image *image) { - int mdr; u32 *cmd = NULL; void (*cmdfn) (u32 *, u16, u16, u16, u16, u16, u32, u32, const struct fb_image *, struct fb_info *) = NULL; @@ -196,7 +195,6 @@ static void mb86290fb_imageblit(struct fb_info *info, u16 dx = image->dx, dy = image->dy; int x2, y2, vxres, vyres; - mdr = (GDC_ROP_COPY << 9); x2 = image->dx + image->width; y2 = image->dy + image->height; vxres = info->var.xres_virtual; diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c index 4af28e4421e5..603731a5a72e 100644 --- a/drivers/video/fbdev/mx3fb.c +++ b/drivers/video/fbdev/mx3fb.c @@ -509,7 +509,7 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, uint16_t h_start_width, uint16_t h_sync_width, uint16_t h_end_width, uint16_t v_start_width, uint16_t v_sync_width, uint16_t v_end_width, - struct ipu_di_signal_cfg sig) + const struct ipu_di_signal_cfg *sig) { unsigned long lock_flags; uint32_t reg; @@ -591,17 +591,17 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, /* DI settings */ old_conf = mx3fb_read_reg(mx3fb, DI_DISP_IF_CONF) & 0x78FFFFFF; - old_conf |= sig.datamask_en << DI_D3_DATAMSK_SHIFT | - sig.clksel_en << DI_D3_CLK_SEL_SHIFT | - sig.clkidle_en << DI_D3_CLK_IDLE_SHIFT; + old_conf |= sig->datamask_en << DI_D3_DATAMSK_SHIFT | + sig->clksel_en << DI_D3_CLK_SEL_SHIFT | + sig->clkidle_en << DI_D3_CLK_IDLE_SHIFT; mx3fb_write_reg(mx3fb, old_conf, DI_DISP_IF_CONF); old_conf = mx3fb_read_reg(mx3fb, DI_DISP_SIG_POL) & 0xE0FFFFFF; - old_conf |= sig.data_pol << DI_D3_DATA_POL_SHIFT | - sig.clk_pol << DI_D3_CLK_POL_SHIFT | - sig.enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT | - sig.Hsync_pol << DI_D3_HSYNC_POL_SHIFT | - sig.Vsync_pol << DI_D3_VSYNC_POL_SHIFT; + old_conf |= sig->data_pol << DI_D3_DATA_POL_SHIFT | + sig->clk_pol << DI_D3_CLK_POL_SHIFT | + sig->enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT | + sig->Hsync_pol << DI_D3_HSYNC_POL_SHIFT | + sig->Vsync_pol << DI_D3_VSYNC_POL_SHIFT; mx3fb_write_reg(mx3fb, old_conf, DI_DISP_SIG_POL); map = &di_mappings[mx3fb->disp_data_fmt]; @@ -855,7 +855,7 @@ static int __set_par(struct fb_info *fbi, bool lock) fbi->var.upper_margin, fbi->var.vsync_len, fbi->var.lower_margin + - fbi->var.vsync_len, sig_cfg) != 0) { + fbi->var.vsync_len, &sig_cfg) != 0) { dev_err(fbi->device, "mx3fb: Error initializing panel.\n"); return -EINVAL; diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index e8a304f84ea8..1a9d6242916e 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1247,7 +1247,7 @@ static ssize_t omapfb_show_caps_num(struct device *dev, size = 0; while (size < PAGE_SIZE && plane < OMAPFB_PLANE_NUM) { omapfb_get_caps(fbdev, plane, &caps); - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, "plane#%d %#010x %#010x %#010x\n", plane, caps.ctrl, caps.plane_color, caps.wnd_color); plane++; @@ -1268,28 +1268,28 @@ static ssize_t omapfb_show_caps_text(struct device *dev, size = 0; while (size < PAGE_SIZE && plane < OMAPFB_PLANE_NUM) { omapfb_get_caps(fbdev, plane, &caps); - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, "plane#%d:\n", plane); for (i = 0; i < ARRAY_SIZE(ctrl_caps) && size < PAGE_SIZE; i++) { if (ctrl_caps[i].flag & caps.ctrl) - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, " %s\n", ctrl_caps[i].name); } - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, " plane colors:\n"); for (i = 0; i < ARRAY_SIZE(color_caps) && size < PAGE_SIZE; i++) { if (color_caps[i].flag & caps.plane_color) - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, " %s\n", color_caps[i].name); } - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, " window colors:\n"); for (i = 0; i < ARRAY_SIZE(color_caps) && size < PAGE_SIZE; i++) { if (color_caps[i].flag & caps.wnd_color) - size += snprintf(&buf[size], PAGE_SIZE - size, + size += scnprintf(&buf[size], PAGE_SIZE - size, " %s\n", color_caps[i].name); } diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c index ce37da85cc45..4a16798b2ecd 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c @@ -557,11 +557,6 @@ u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel) } EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq); -u32 dispc_wb_get_framedone_irq(void) -{ - return DISPC_IRQ_FRAMEDONEWB; -} - bool dispc_mgr_go_busy(enum omap_channel channel) { return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1; @@ -579,30 +574,6 @@ void dispc_mgr_go(enum omap_channel channel) } EXPORT_SYMBOL(dispc_mgr_go); -bool dispc_wb_go_busy(void) -{ - return REG_GET(DISPC_CONTROL2, 6, 6) == 1; -} - -void dispc_wb_go(void) -{ - enum omap_plane plane = OMAP_DSS_WB; - bool enable, go; - - enable = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1; - - if (!enable) - return; - - go = REG_GET(DISPC_CONTROL2, 6, 6) == 1; - if (go) { - DSSERR("GO bit not down for WB\n"); - return; - } - - REG_FLD_MOD(DISPC_CONTROL2, 1, 6, 6); -} - static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value) { dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value); @@ -1028,13 +999,6 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane) } } -void dispc_wb_set_channel_in(enum dss_writeback_channel channel) -{ - enum omap_plane plane = OMAP_DSS_WB; - - REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16); -} - static void dispc_ovl_set_burst_size(enum omap_plane plane, enum omap_burst_size burst_size) { @@ -2805,74 +2769,6 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi, } EXPORT_SYMBOL(dispc_ovl_setup); -int dispc_wb_setup(const struct omap_dss_writeback_info *wi, - bool mem_to_mem, const struct omap_video_timings *mgr_timings) -{ - int r; - u32 l; - enum omap_plane plane = OMAP_DSS_WB; - const int pos_x = 0, pos_y = 0; - const u8 zorder = 0, global_alpha = 0; - const bool replication = false; - bool truncation; - int in_width = mgr_timings->x_res; - int in_height = mgr_timings->y_res; - enum omap_overlay_caps caps = - OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA; - - DSSDBG("dispc_wb_setup, pa %x, pa_uv %x, %d,%d -> %dx%d, cmode %x, " - "rot %d, mir %d\n", wi->paddr, wi->p_uv_addr, in_width, - in_height, wi->width, wi->height, wi->color_mode, wi->rotation, - wi->mirror); - - r = dispc_ovl_setup_common(plane, caps, wi->paddr, wi->p_uv_addr, - wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width, - wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder, - wi->pre_mult_alpha, global_alpha, wi->rotation_type, - replication, mgr_timings, mem_to_mem); - - switch (wi->color_mode) { - case OMAP_DSS_COLOR_RGB16: - case OMAP_DSS_COLOR_RGB24P: - case OMAP_DSS_COLOR_ARGB16: - case OMAP_DSS_COLOR_RGBA16: - case OMAP_DSS_COLOR_RGB12U: - case OMAP_DSS_COLOR_ARGB16_1555: - case OMAP_DSS_COLOR_XRGB16_1555: - case OMAP_DSS_COLOR_RGBX16: - truncation = true; - break; - default: - truncation = false; - break; - } - - /* setup extra DISPC_WB_ATTRIBUTES */ - l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane)); - l = FLD_MOD(l, truncation, 10, 10); /* TRUNCATIONENABLE */ - l = FLD_MOD(l, mem_to_mem, 19, 19); /* WRITEBACKMODE */ - if (mem_to_mem) - l = FLD_MOD(l, 1, 26, 24); /* CAPTUREMODE */ - else - l = FLD_MOD(l, 0, 26, 24); /* CAPTUREMODE */ - dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l); - - if (mem_to_mem) { - /* WBDELAYCOUNT */ - REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0); - } else { - int wbdelay; - - wbdelay = min(mgr_timings->vfp + mgr_timings->vsw + - mgr_timings->vbp, 255); - - /* WBDELAYCOUNT */ - REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0); - } - - return r; -} - int dispc_ovl_enable(enum omap_plane plane, bool enable) { DSSDBG("dispc_enable_plane %d, %d\n", plane, enable); @@ -2903,16 +2799,6 @@ bool dispc_mgr_is_enabled(enum omap_channel channel) } EXPORT_SYMBOL(dispc_mgr_is_enabled); -void dispc_wb_enable(bool enable) -{ - dispc_ovl_enable(OMAP_DSS_WB, enable); -} - -bool dispc_wb_is_enabled(void) -{ - return dispc_ovl_enabled(OMAP_DSS_WB); -} - static void dispc_lcd_enable_signal_polarity(bool act_high) { if (!dss_has_feature(FEAT_LCDENABLEPOL)) diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.h b/drivers/video/fbdev/omap2/omapfb/dss/dss.h index a2269008590f..21cfcbf74a6d 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/dss.h +++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.h @@ -89,17 +89,6 @@ enum dss_dsi_content_type { DSS_DSI_CONTENT_GENERIC, }; -enum dss_writeback_channel { - DSS_WB_LCD1_MGR = 0, - DSS_WB_LCD2_MGR = 1, - DSS_WB_TV_MGR = 2, - DSS_WB_OVL0 = 3, - DSS_WB_OVL1 = 4, - DSS_WB_OVL2 = 5, - DSS_WB_OVL3 = 6, - DSS_WB_LCD3_MGR = 7, -}; - enum dss_pll_id { DSS_PLL_DSI1, DSS_PLL_DSI2, @@ -403,15 +392,6 @@ int dispc_mgr_get_clock_div(enum omap_channel channel, struct dispc_clock_info *cinfo); void dispc_set_tv_pclk(unsigned long pclk); -u32 dispc_wb_get_framedone_irq(void); -bool dispc_wb_go_busy(void); -void dispc_wb_go(void); -void dispc_wb_enable(bool enable); -bool dispc_wb_is_enabled(void); -void dispc_wb_set_channel_in(enum dss_writeback_channel channel); -int dispc_wb_setup(const struct omap_dss_writeback_info *wi, - bool mem_to_mem, const struct omap_video_timings *timings); - u32 dispc_read_irqstatus(void); void dispc_clear_irqstatus(u32 mask); u32 dispc_read_irqenable(void); diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c index 4a5db170ef59..2d39dbfa742e 100644 --- a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c @@ -147,11 +147,11 @@ static ssize_t show_overlays(struct device *dev, if (ovl == fbdev->overlays[ovlnum]) break; - l += snprintf(buf + l, PAGE_SIZE - l, "%s%d", + l += scnprintf(buf + l, PAGE_SIZE - l, "%s%d", t == 0 ? "" : ",", ovlnum); } - l += snprintf(buf + l, PAGE_SIZE - l, "\n"); + l += scnprintf(buf + l, PAGE_SIZE - l, "\n"); omapfb_unlock(fbdev); unlock_fb_info(fbi); @@ -328,11 +328,11 @@ static ssize_t show_overlays_rotate(struct device *dev, lock_fb_info(fbi); for (t = 0; t < ofbi->num_overlays; t++) { - l += snprintf(buf + l, PAGE_SIZE - l, "%s%d", + l += scnprintf(buf + l, PAGE_SIZE - l, "%s%d", t == 0 ? "" : ",", ofbi->rotation[t]); } - l += snprintf(buf + l, PAGE_SIZE - l, "\n"); + l += scnprintf(buf + l, PAGE_SIZE - l, "\n"); unlock_fb_info(fbi); diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index fe2cadeb1b66..c7c98d8e2359 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -54,7 +54,7 @@ #define DPRINTK(a, b...) \ printk(KERN_DEBUG "pm2fb: %s: " a, __func__ , ## b) #else -#define DPRINTK(a, b...) +#define DPRINTK(a, b...) no_printk(a, ##b) #endif #define PM2_PIXMAP_SIZE (1600 * 4) diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c index 2f5e23c8f8ec..7497bd36334c 100644 --- a/drivers/video/fbdev/pm3fb.c +++ b/drivers/video/fbdev/pm3fb.c @@ -44,7 +44,7 @@ #define DPRINTK(a, b...) \ printk(KERN_DEBUG "pm3fb: %s: " a, __func__ , ## b) #else -#define DPRINTK(a, b...) +#define DPRINTK(a, b...) no_printk(a, ##b) #endif #define PM3_PIXMAP_SIZE (2048 * 4) @@ -306,7 +306,7 @@ static void pm3fb_init_engine(struct fb_info *info) PM3PixelSize_GLOBAL_32BIT); break; default: - DPRINTK(1, "Unsupported depth %d\n", + DPRINTK("Unsupported depth %d\n", info->var.bits_per_pixel); break; } @@ -349,8 +349,8 @@ static void pm3fb_init_engine(struct fb_info *info) (1 << 10) | (0 << 3)); break; default: - DPRINTK(1, "Unsupported depth %d\n", - info->current_par->depth); + DPRINTK("Unsupported depth %d\n", + info->var.bits_per_pixel); break; } } diff --git a/drivers/video/fbdev/savage/savagefb.h b/drivers/video/fbdev/savage/savagefb.h index aba04afe712d..3314d5b6b43b 100644 --- a/drivers/video/fbdev/savage/savagefb.h +++ b/drivers/video/fbdev/savage/savagefb.h @@ -21,7 +21,7 @@ #ifdef SAVAGEFB_DEBUG # define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x)); #else -# define DBG(x) +# define DBG(x) no_printk(x) # define SavagePrintRegs(...) #endif diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c index 53d08d1b56f5..1b385cf76110 100644 --- a/drivers/video/fbdev/uvesafb.c +++ b/drivers/video/fbdev/uvesafb.c @@ -1560,7 +1560,7 @@ static ssize_t uvesafb_show_vbe_modes(struct device *dev, int ret = 0, i; for (i = 0; i < par->vbe_modes_cnt && ret < PAGE_SIZE; i++) { - ret += snprintf(buf + ret, PAGE_SIZE - ret, + ret += scnprintf(buf + ret, PAGE_SIZE - ret, "%dx%d-%d, 0x%.4x\n", par->vbe_modes[i].x_res, par->vbe_modes[i].y_res, par->vbe_modes[i].depth, par->vbe_modes[i].mode_id); diff --git a/drivers/video/fbdev/via/debug.h b/drivers/video/fbdev/via/debug.h index 6a320bd76936..80fdfe4171c5 100644 --- a/drivers/video/fbdev/via/debug.h +++ b/drivers/video/fbdev/via/debug.h @@ -7,6 +7,8 @@ #ifndef __DEBUG_H__ #define __DEBUG_H__ +#include <linux/printk.h> + #ifndef VIAFB_DEBUG #define VIAFB_DEBUG 0 #endif @@ -14,14 +16,14 @@ #if VIAFB_DEBUG #define DEBUG_MSG(f, a...) printk(f, ## a) #else -#define DEBUG_MSG(f, a...) +#define DEBUG_MSG(f, a...) no_printk(f, ## a) #endif #define VIAFB_WARN 0 #if VIAFB_WARN #define WARN_MSG(f, a...) printk(f, ## a) #else -#define WARN_MSG(f, a...) +#define WARN_MSG(f, a...) no_printk(f, ## a) #endif #endif /* __DEBUG_H__ */ diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index 852673c40a2f..22deb340a048 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -1144,7 +1144,7 @@ static ssize_t viafb_dvp0_proc_write(struct file *file, if (value != NULL) { if (kstrtou8(value, 0, ®_val) < 0) return -EINVAL; - DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i, + DEBUG_MSG(KERN_INFO "DVP0:reg_val[%lu]=:%x\n", i, reg_val); switch (i) { case 0: diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index 3ed5dee899fd..7402f852d3c4 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -188,6 +188,6 @@ int drm_client_modeset_dpms(struct drm_client_dev *client, int mode); drm_for_each_connector_iter(connector, iter) \ if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) -int drm_client_debugfs_init(struct drm_minor *minor); +void drm_client_debugfs_init(struct drm_minor *minor); #endif diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 19ae6bb5c85b..fd543d1db9b2 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1617,9 +1617,9 @@ struct drm_tile_group { }; struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, - char topology[8]); + const char topology[8]); struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, - char topology[8]); + const char topology[8]); void drm_mode_put_tile_group(struct drm_device *dev, struct drm_tile_group *tg); diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h index 7501e323d383..2188dc83957f 100644 --- a/include/drm/drm_debugfs.h +++ b/include/drm/drm_debugfs.h @@ -80,18 +80,16 @@ struct drm_info_node { }; #if defined(CONFIG_DEBUG_FS) -int drm_debugfs_create_files(const struct drm_info_list *files, - int count, struct dentry *root, - struct drm_minor *minor); +void drm_debugfs_create_files(const struct drm_info_list *files, + int count, struct dentry *root, + struct drm_minor *minor); int drm_debugfs_remove_files(const struct drm_info_list *files, int count, struct drm_minor *minor); #else -static inline int drm_debugfs_create_files(const struct drm_info_list *files, - int count, struct dentry *root, - struct drm_minor *minor) -{ - return 0; -} +static inline void drm_debugfs_create_files(const struct drm_info_list *files, + int count, struct dentry *root, + struct drm_minor *minor) +{} static inline int drm_debugfs_remove_files(const struct drm_info_list *files, int count, struct drm_minor *minor) diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h index bb60a949f416..d39132b477dd 100644 --- a/include/drm/drm_device.h +++ b/include/drm/drm_device.h @@ -67,6 +67,21 @@ struct drm_device { /** @dev: Device structure of bus-device */ struct device *dev; + /** + * @managed: + * + * Managed resources linked to the lifetime of this &drm_device as + * tracked by @ref. + */ + struct { + /** @managed.resources: managed resources list */ + struct list_head resources; + /** @managed.final_kfree: pointer for final kfree() call */ + void *final_kfree; + /** @managed.lock: protects @managed.resources */ + spinlock_t lock; + } managed; + /** @driver: DRM driver managing the device */ struct drm_driver *driver; diff --git a/include/drm/drm_displayid.h b/include/drm/drm_displayid.h index 9d3b745c3107..27bdd273fc4e 100644 --- a/include/drm/drm_displayid.h +++ b/include/drm/drm_displayid.h @@ -97,7 +97,7 @@ struct displayid_detailed_timing_block { (idx) + sizeof(struct displayid_block) <= (length) && \ (idx) + sizeof(struct displayid_block) + (block)->num_bytes <= (length) && \ (block)->num_bytes > 0; \ - (idx) += (block)->num_bytes + sizeof(struct displayid_block), \ + (idx) += sizeof(struct displayid_block) + (block)->num_bytes, \ (block) = (struct displayid_block *)&(displayid)[idx]) #endif diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index 3cde42b333c3..2d7c26592c05 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -157,9 +157,38 @@ struct drm_dp_mst_port { */ bool has_audio; + /** + * @fec_capable: bool indicating if FEC can be supported up to that + * point in the MST topology. + */ bool fec_capable; }; +/* sideband msg header - not bit struct */ +struct drm_dp_sideband_msg_hdr { + u8 lct; + u8 lcr; + u8 rad[8]; + bool broadcast; + bool path_msg; + u8 msg_len; + bool somt; + bool eomt; + bool seqno; +}; + +struct drm_dp_sideband_msg_rx { + u8 chunk[48]; + u8 msg[256]; + u8 curchunk_len; + u8 curchunk_idx; /* chunk we are parsing now */ + u8 curchunk_hdrlen; + u8 curlen; /* total length of the msg */ + bool have_somt; + bool have_eomt; + struct drm_dp_sideband_msg_hdr initial_hdr; +}; + /** * struct drm_dp_mst_branch - MST branch device. * @rad: Relative Address to talk to this branch device. @@ -232,24 +261,16 @@ struct drm_dp_mst_branch { int last_seqno; bool link_address_sent; + /** + * @down_rep_recv: Message receiver state for down replies. + */ + struct drm_dp_sideband_msg_rx down_rep_recv[2]; + /* global unique identifier to identify branch devices */ u8 guid[16]; }; -/* sideband msg header - not bit struct */ -struct drm_dp_sideband_msg_hdr { - u8 lct; - u8 lcr; - u8 rad[8]; - bool broadcast; - bool path_msg; - u8 msg_len; - bool somt; - bool eomt; - bool seqno; -}; - struct drm_dp_nak_reply { u8 guid[16]; u8 reason; @@ -306,18 +327,6 @@ struct drm_dp_remote_i2c_write_ack_reply { }; -struct drm_dp_sideband_msg_rx { - u8 chunk[48]; - u8 msg[256]; - u8 curchunk_len; - u8 curchunk_idx; /* chunk we are parsing now */ - u8 curchunk_hdrlen; - u8 curlen; /* total length of the msg */ - bool have_somt; - bool have_eomt; - struct drm_dp_sideband_msg_hdr initial_hdr; -}; - #define DRM_DP_MAX_SDP_STREAMS 16 struct drm_dp_allocate_payload { u8 port_number; @@ -479,8 +488,6 @@ struct drm_dp_mst_topology_mgr; struct drm_dp_mst_topology_cbs { /* create a connector for a port */ struct drm_connector *(*add_connector)(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *path); - void (*destroy_connector)(struct drm_dp_mst_topology_mgr *mgr, - struct drm_connector *connector); }; #define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8) @@ -556,10 +563,6 @@ struct drm_dp_mst_topology_mgr { int conn_base_id; /** - * @down_rep_recv: Message receiver state for down replies. - */ - struct drm_dp_sideband_msg_rx down_rep_recv; - /** * @up_req_recv: Message receiver state for up requests. */ struct drm_dp_sideband_msg_rx up_req_recv; @@ -590,11 +593,6 @@ struct drm_dp_mst_topology_mgr { bool payload_id_table_cleared : 1; /** - * @is_waiting_for_dwn_reply: whether we're waiting for a down reply. - */ - bool is_waiting_for_dwn_reply : 1; - - /** * @mst_primary: Pointer to the primary/first branch device. */ struct drm_dp_mst_branch *mst_primary; @@ -734,8 +732,6 @@ drm_dp_mst_detect_port(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port); -bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr, - struct drm_dp_mst_port *port); struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port); diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 97109df5beac..e0ea577559ff 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -262,9 +262,11 @@ struct drm_driver { * @release: * * Optional callback for destroying device data after the final - * reference is released, i.e. the device is being destroyed. Drivers - * using this callback are responsible for calling drm_dev_fini() - * to finalize the device and then freeing the struct themselves. + * reference is released, i.e. the device is being destroyed. + * + * This is deprecated, clean up all memory allocations associated with a + * &drm_device using drmm_add_action(), drmm_kmalloc() and related + * managed resources functions. */ void (*release) (struct drm_device *); @@ -323,7 +325,7 @@ struct drm_driver { * * Allows drivers to create driver-specific debugfs files. */ - int (*debugfs_init)(struct drm_minor *minor); + void (*debugfs_init)(struct drm_minor *minor); /** * @gem_free_object: deconstructor for drm_gem_objects @@ -620,7 +622,6 @@ int drm_dev_init(struct drm_device *dev, int devm_drm_dev_init(struct device *parent, struct drm_device *dev, struct drm_driver *driver); -void drm_dev_fini(struct drm_device *dev); struct drm_device *drm_dev_alloc(struct drm_driver *driver, struct device *parent); diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h index 4370e039c015..a60f5f1555ac 100644 --- a/include/drm/drm_encoder.h +++ b/include/drm/drm_encoder.h @@ -142,7 +142,7 @@ struct drm_encoder { * the bits for all &drm_crtc objects this encoder can be connected to * before calling drm_dev_register(). * - * In reality almost every driver gets this wrong. + * You will get a WARN if you get this wrong in the driver. * * Note that since CRTC objects can't be hotplugged the assigned indices * are stable and hence known before registering all objects. @@ -159,7 +159,11 @@ struct drm_encoder { * encoders can be used in a cloned configuration, they both should have * each another bits set. * - * In reality almost every driver gets this wrong. + * As an exception to the above rule if the driver doesn't implement + * any cloning it can leave @possible_clones set to 0. The core will + * automagically fix this up by setting the bit for the encoder itself. + * + * You will get a WARN if you get this wrong in the driver. * * Note that since encoder objects can't be hotplugged the assigned indices * are stable and hence known before registering all objects. diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 208dbf87afa3..306aa3a60be9 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -269,7 +269,8 @@ int drm_fb_helper_debug_leave(struct fb_info *info); void drm_fb_helper_lastclose(struct drm_device *dev); void drm_fb_helper_output_poll_changed(struct drm_device *dev); -int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp); +void drm_fbdev_generic_setup(struct drm_device *dev, + unsigned int preferred_bpp); #else static inline void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, @@ -443,10 +444,9 @@ static inline void drm_fb_helper_output_poll_changed(struct drm_device *dev) { } -static inline int +static inline void drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) { - return 0; } #endif diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h index 5aaf1c4593a9..716990bace10 100644 --- a/include/drm/drm_file.h +++ b/include/drm/drm_file.h @@ -202,6 +202,17 @@ struct drm_file { bool writeback_connectors; /** + * @was_master: + * + * This client has or had, master capability. Protected by struct + * &drm_device.master_mutex. + * + * This is used to ensure that CAP_SYS_ADMIN is not enforced, if the + * client is or was master in the past. + */ + bool was_master; + + /** * @is_master: * * This client is the creator of @master. Protected by struct diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h index c0e0256e3e98..be658ebbec72 100644 --- a/include/drm/drm_framebuffer.h +++ b/include/drm/drm_framebuffer.h @@ -297,4 +297,42 @@ int drm_framebuffer_plane_width(int width, int drm_framebuffer_plane_height(int height, const struct drm_framebuffer *fb, int plane); +/** + * struct drm_afbc_framebuffer - a special afbc frame buffer object + * + * A derived class of struct drm_framebuffer, dedicated for afbc use cases. + */ +struct drm_afbc_framebuffer { + /** + * @base: base framebuffer structure. + */ + struct drm_framebuffer base; + /** + * @block_width: width of a single afbc block + */ + u32 block_width; + /** + * @block_height: height of a single afbc block + */ + u32 block_height; + /** + * @aligned_width: aligned frame buffer width + */ + u32 aligned_width; + /** + * @aligned_height: aligned frame buffer height + */ + u32 aligned_height; + /** + * @offset: offset of the first afbc header + */ + u32 offset; + /** + * @afbc_size: minimum size of afbc buffer + */ + u32 afbc_size; +}; + +#define fb_to_afbc_fb(x) container_of(x, struct drm_afbc_framebuffer, base) + #endif diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h index d9f13fd25b0a..6b013154911d 100644 --- a/include/drm/drm_gem_framebuffer_helper.h +++ b/include/drm/drm_gem_framebuffer_helper.h @@ -1,6 +1,7 @@ #ifndef __DRM_GEM_FB_HELPER_H__ #define __DRM_GEM_FB_HELPER_H__ +struct drm_afbc_framebuffer; struct drm_device; struct drm_fb_helper_surface_size; struct drm_file; @@ -12,12 +13,19 @@ struct drm_plane; struct drm_plane_state; struct drm_simple_display_pipe; +#define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52) + struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb, unsigned int plane); void drm_gem_fb_destroy(struct drm_framebuffer *fb); int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file, unsigned int *handle); +int drm_gem_fb_init_with_funcs(struct drm_device *dev, + struct drm_framebuffer *fb, + struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd, + const struct drm_framebuffer_funcs *funcs); struct drm_framebuffer * drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd, @@ -29,6 +37,13 @@ struct drm_framebuffer * drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); +#define drm_is_afbc(modifier) \ + (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0)) + +int drm_gem_fb_afbc_init(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_afbc_framebuffer *afbc_fb); + int drm_gem_fb_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state); int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe, diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 0f6e47213d8d..b63bcd1b996d 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -196,7 +196,7 @@ static inline struct drm_vram_mm *drm_vram_mm_of_bdev( return container_of(bdev, struct drm_vram_mm, bdev); } -int drm_vram_mm_debugfs_init(struct drm_minor *minor); +void drm_vram_mm_debugfs_init(struct drm_minor *minor); /* * Helpers for integration with struct drm_device diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h index aed382c17b26..852d7451eeb1 100644 --- a/include/drm/drm_legacy.h +++ b/include/drm/drm_legacy.h @@ -194,11 +194,26 @@ void drm_legacy_idlelock_release(struct drm_lock_data *lock); #ifdef CONFIG_PCI +struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size, + size_t align); +void drm_pci_free(struct drm_device *dev, struct drm_dma_handle *dmah); + int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); #else +static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, + size_t size, size_t align) +{ + return NULL; +} + +static inline void drm_pci_free(struct drm_device *dev, + struct drm_dma_handle *dmah) +{ +} + static inline int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver) { diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h new file mode 100644 index 000000000000..ca4114633bf9 --- /dev/null +++ b/include/drm/drm_managed.h @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0 + +#ifndef _DRM_MANAGED_H_ +#define _DRM_MANAGED_H_ + +#include <linux/gfp.h> +#include <linux/overflow.h> +#include <linux/types.h> + +struct drm_device; + +typedef void (*drmres_release_t)(struct drm_device *dev, void *res); + +/** + * drmm_add_action - add a managed release action to a &drm_device + * @dev: DRM device + * @action: function which should be called when @dev is released + * @data: opaque pointer, passed to @action + * + * This function adds the @release action with optional parameter @data to the + * list of cleanup actions for @dev. The cleanup actions will be run in reverse + * order in the final drm_dev_put() call for @dev. + */ +#define drmm_add_action(dev, action, data) \ + __drmm_add_action(dev, action, data, #action) + +int __must_check __drmm_add_action(struct drm_device *dev, + drmres_release_t action, + void *data, const char *name); + +/** + * drmm_add_action_or_reset - add a managed release action to a &drm_device + * @dev: DRM device + * @action: function which should be called when @dev is released + * @data: opaque pointer, passed to @action + * + * Similar to drmm_add_action(), with the only difference that upon failure + * @action is directly called for any cleanup work necessary on failures. + */ +#define drmm_add_action_or_reset(dev, action, data) \ + __drmm_add_action_or_reset(dev, action, data, #action) + +int __must_check __drmm_add_action_or_reset(struct drm_device *dev, + drmres_release_t action, + void *data, const char *name); + +void drmm_add_final_kfree(struct drm_device *dev, void *container); + +void *drmm_kmalloc(struct drm_device *dev, size_t size, gfp_t gfp) __malloc; + +/** + * drmm_kzalloc - &drm_device managed kzalloc() + * @dev: DRM device + * @size: size of the memory allocation + * @gfp: GFP allocation flags + * + * This is a &drm_device managed version of kzalloc(). The allocated memory is + * automatically freed on the final drm_dev_put(). Memory can also be freed + * before the final drm_dev_put() by calling drmm_kfree(). + */ +static inline void *drmm_kzalloc(struct drm_device *dev, size_t size, gfp_t gfp) +{ + return drmm_kmalloc(dev, size, gfp | __GFP_ZERO); +} + +/** + * drmm_kmalloc_array - &drm_device managed kmalloc_array() + * @dev: DRM device + * @n: number of array elements to allocate + * @size: size of array member + * @flags: GFP allocation flags + * + * This is a &drm_device managed version of kmalloc_array(). The allocated + * memory is automatically freed on the final drm_dev_put() and works exactly + * like a memory allocation obtained by drmm_kmalloc(). + */ +static inline void *drmm_kmalloc_array(struct drm_device *dev, + size_t n, size_t size, gfp_t flags) +{ + size_t bytes; + + if (unlikely(check_mul_overflow(n, size, &bytes))) + return NULL; + + return drmm_kmalloc(dev, bytes, flags); +} + +/** + * drmm_kcalloc - &drm_device managed kcalloc() + * @dev: DRM device + * @n: number of array elements to allocate + * @size: size of array member + * @flags: GFP allocation flags + * + * This is a &drm_device managed version of kcalloc(). The allocated memory is + * automatically freed on the final drm_dev_put() and works exactly like a + * memory allocation obtained by drmm_kmalloc(). + */ +static inline void *drmm_kcalloc(struct drm_device *dev, + size_t n, size_t size, gfp_t flags) +{ + return drmm_kmalloc_array(dev, n, size, flags | __GFP_ZERO); +} + +char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp); + +void drmm_kfree(struct drm_device *dev, void *data); + +#endif diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h index 33f325f5af2b..4d0e49c0ed2c 100644 --- a/include/drm/drm_mipi_dbi.h +++ b/include/drm/drm_mipi_dbi.h @@ -152,7 +152,6 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev, int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, const struct drm_simple_display_pipe_funcs *funcs, const struct drm_display_mode *mode, unsigned int rotation); -void mipi_dbi_release(struct drm_device *drm); void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_plane_state *old_state); void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev, @@ -170,7 +169,8 @@ int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz, int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val); int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len); -int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len); +int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data, + size_t len); int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, struct drm_rect *clip, bool swap); /** @@ -187,12 +187,12 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, */ #define mipi_dbi_command(dbi, cmd, seq...) \ ({ \ - u8 d[] = { seq }; \ + const u8 d[] = { seq }; \ mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \ }) #ifdef CONFIG_DEBUG_FS -int mipi_dbi_debugfs_init(struct drm_minor *minor); +void mipi_dbi_debugfs_init(struct drm_minor *minor); #else #define mipi_dbi_debugfs_init NULL #endif diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 3bcbe30339f0..6c3ef49b46b3 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -929,7 +929,23 @@ struct drm_mode_config { const struct drm_mode_config_helper_funcs *helper_private; }; -void drm_mode_config_init(struct drm_device *dev); +int __must_check drmm_mode_config_init(struct drm_device *dev); + +/** + * drm_mode_config_init - DRM mode_configuration structure initialization + * @dev: DRM device + * + * This is the unmanaged version of drmm_mode_config_init() for drivers which + * still explicitly call drm_mode_config_cleanup(). + * + * FIXME: This function is deprecated and drivers should be converted over to + * drmm_mode_config_init(). + */ +static inline int drm_mode_config_init(struct drm_device *dev) +{ + return drmm_mode_config_init(dev); +} + void drm_mode_config_reset(struct drm_device *dev); void drm_mode_config_cleanup(struct drm_device *dev); diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h index 7c20b1c8b6a7..421a30f08463 100644 --- a/include/drm/drm_modeset_helper_vtables.h +++ b/include/drm/drm_modeset_helper_vtables.h @@ -1075,8 +1075,35 @@ struct drm_connector_helper_funcs { void (*atomic_commit)(struct drm_connector *connector, struct drm_connector_state *state); + /** + * @prepare_writeback_job: + * + * As writeback jobs contain a framebuffer, drivers may need to + * prepare and clean them up the same way they can prepare and + * clean up framebuffers for planes. This optional connector operation + * is used to support the preparation of writeback jobs. The job + * prepare operation is called from drm_atomic_helper_prepare_planes() + * for struct &drm_writeback_connector connectors only. + * + * This operation is optional. + * + * This callback is used by the atomic modeset helpers. + */ int (*prepare_writeback_job)(struct drm_writeback_connector *connector, struct drm_writeback_job *job); + /** + * @cleanup_writeback_job: + * + * This optional connector operation is used to support the + * cleanup of writeback jobs. The job cleanup operation is called + * from the existing drm_writeback_cleanup_job() function, invoked + * both when destroying the job as part of an aborted commit, or when + * the job completes. + * + * This operation is optional. + * + * This callback is used by the atomic modeset helpers. + */ void (*cleanup_writeback_job)(struct drm_writeback_connector *connector, struct drm_writeback_job *job); }; diff --git a/include/drm/drm_pci.h b/include/drm/drm_pci.h deleted file mode 100644 index 3941b0255ecf..000000000000 --- a/include/drm/drm_pci.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Internal Header for the Direct Rendering Manager - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * Copyright (c) 2009-2010, Code Aurora Forum. - * All rights reserved. - * - * Author: Rickard E. (Rik) Faith <faith@valinux.com> - * Author: Gareth Hughes <gareth@valinux.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef _DRM_PCI_H_ -#define _DRM_PCI_H_ - -#include <linux/pci.h> - -struct drm_dma_handle; -struct drm_device; -struct drm_driver; -struct drm_master; - -#ifdef CONFIG_PCI - -struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size, - size_t align); -void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah); - -#else - -static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, - size_t size, size_t align) -{ - return NULL; -} - -static inline void drm_pci_free(struct drm_device *dev, - struct drm_dma_handle *dmah) -{ -} - -#endif - -#endif /* _DRM_PCI_H_ */ diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index ca7cee8e728a..1c9417430d08 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -313,6 +313,10 @@ enum drm_debug_category { * @DRM_UT_DP: Used in the DP code. */ DRM_UT_DP = 0x100, + /** + * @DRM_UT_DRMRES: Used in the drm managed resources code. + */ + DRM_UT_DRMRES = 0x200, }; static inline bool drm_debug_enabled(enum drm_debug_category category) @@ -442,6 +446,8 @@ void drm_dev_dbg(const struct device *dev, enum drm_debug_category category, drm_dev_dbg((drm)->dev, DRM_UT_LEASE, fmt, ##__VA_ARGS__) #define drm_dbg_dp(drm, fmt, ...) \ drm_dev_dbg((drm)->dev, DRM_UT_DP, fmt, ##__VA_ARGS__) +#define drm_dbg_drmres(drm, fmt, ...) \ + drm_dev_dbg((drm)->dev, DRM_UT_DRMRES, fmt, ##__VA_ARGS__) /* diff --git a/include/drm/drm_writeback.h b/include/drm/drm_writeback.h index 777c14c847f0..9697d2714d2a 100644 --- a/include/drm/drm_writeback.h +++ b/include/drm/drm_writeback.h @@ -15,7 +15,13 @@ #include <drm/drm_encoder.h> #include <linux/workqueue.h> +/** + * struct drm_writeback_connector - DRM writeback connector + */ struct drm_writeback_connector { + /** + * @base: base drm_connector object + */ struct drm_connector base; /** @@ -78,6 +84,9 @@ struct drm_writeback_connector { char timeline_name[32]; }; +/** + * struct drm_writeback_job - DRM writeback job + */ struct drm_writeback_job { /** * @connector: diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 26b04ff62676..a21b3b92135a 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -56,6 +56,7 @@ enum drm_sched_priority { * Jobs from this entity can be scheduled on any scheduler * on this list. * @num_sched_list: number of drm_gpu_schedulers in the sched_list. + * @priority: priority of the entity * @rq_lock: lock to modify the runqueue to which this entity belongs. * @job_queue: the list of jobs of this entity. * @fence_seq: a linearly increasing seqno incremented with each diff --git a/include/drm/ttm/ttm_debug.h b/include/drm/ttm/ttm_debug.h deleted file mode 100644 index b5e460fa5086..000000000000 --- a/include/drm/ttm/ttm_debug.h +++ /dev/null @@ -1,31 +0,0 @@ -/************************************************************************** - * - * Copyright (c) 2017 Advanced Micro Devices, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ -/* - * Authors: Tom St Denis <tom.stdenis@amd.com> - */ -extern void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt); -extern void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt); diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 1ade486fc2bb..82e0a4a64601 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -335,6 +335,14 @@ struct dma_buf { */ struct dma_buf_attach_ops { /** + * @allow_peer2peer: + * + * If this is set to true the importer must be able to handle peer + * resources without struct pages. + */ + bool allow_peer2peer; + + /** * @move_notify * * If this callback is provided the framework can avoid pinning the @@ -362,6 +370,7 @@ struct dma_buf_attach_ops { * @node: list of dma_buf_attachment, protected by dma_resv lock of the dmabuf. * @sgt: cached mapping. * @dir: direction of cached mapping. + * @peer2peer: true if the importer can handle peer resources without pages. * @priv: exporter specific attachment data. * @importer_ops: importer operations for this attachment, if provided * dma_buf_map/unmap_attachment() must be called with the dma_resv lock held. @@ -382,6 +391,7 @@ struct dma_buf_attachment { struct list_head node; struct sg_table *sgt; enum dma_data_direction dir; + bool peer2peer; const struct dma_buf_attach_ops *importer_ops; void *importer_priv; void *priv; diff --git a/mm/slob.c b/mm/slob.c index fa53e9f73893..ac2aecfbc7a8 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -524,6 +524,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfp, unsigned long caller) { return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, caller); } +EXPORT_SYMBOL(__kmalloc_track_caller); #ifdef CONFIG_NUMA void *__kmalloc_node_track_caller(size_t size, gfp_t gfp, @@ -531,6 +532,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfp, { return __do_kmalloc_node(size, gfp, node, caller); } +EXPORT_SYMBOL(__kmalloc_node_track_caller); #endif void kfree(const void *block) diff --git a/mm/slub.c b/mm/slub.c index 332d4b459a90..7002af0f013f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4385,6 +4385,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller) return ret; } +EXPORT_SYMBOL(__kmalloc_track_caller); #ifdef CONFIG_NUMA void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, @@ -4415,6 +4416,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, return ret; } +EXPORT_SYMBOL(__kmalloc_node_track_caller); #endif #ifdef CONFIG_SYSFS |