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2018-07-12drm/vkms: Add framebuffer and plane helpersRodrigo Siqueira2-0/+14
This patch appends the minimum helpers related to framebuffer and plane to make vkms minimally usable. Changes since V1: - None Changes since V2: - Squash "Add plane helper struct" and "Add helper for framebuffer create" Changes since V3: Daniel Vetter: - Remove atomic_check from plane helper Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/d37807da7d3b39444b4c9abb149fe3c518d07c61.1531402095.git.rodrigosiqueiramelo@gmail.com
2018-07-12drm/sun4i: fix build failure with CONFIG_DRM_SUN8I_MIXER=mArnd Bergmann4-3/+13
Having DRM_SUN4I built-in but DRM_SUN8I_MIXER as a loadable module results in a link error, as we try to access a symbol from the sun8i_tcon_top.ko module: ERROR: "sun8i_tcon_top_of_table" [drivers/gpu/drm/sun4i/sun8i-drm-hdmi.ko] undefined! ERROR: "sun8i_tcon_top_of_table" [drivers/gpu/drm/sun4i/sun4i-drm.ko] undefined! This solves the problem by adding a silent symbol for the tcon_top module, building it as a separate module in exactly the cases that we need it, but in a way that it is reachable by the other modules. Fixes: 57e23de02f48 ("drm/sun4i: DW HDMI: Expand algorithm for possible crtcs") Fixes: ef0cf6441fbb ("drm/sun4i: Add support for traversing graph with TCON TOP") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180711144403.1022829-1-arnd@arndb.de
2018-07-12drm/sun4i: mixer: Read id from DTJernej Skrabec1-2/+47
Currently, TCON supports 2 ways to match TCON with engine (mixer in this case). Old way is to just traverse of graph backwards and compare node pointer. New way is to match TCON and engine by their respective ids. All SoCs with DE2 enabled till now used the old way, which means mixer id was never used and thus never implemented. However, for R40, only the new way will be used. To prepare for that, implement mixer id fetching from DT. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180711112706.30222-1-jernej.skrabec@siol.net
2018-07-12drm/sun4i: DW HDMI: Make symbol sun8i_dw_hdmi_pltfm_driver staticWei Yongjun1-1/+1
Fixes the following sparse warning: drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c:228:24: warning: symbol 'sun8i_dw_hdmi_pltfm_driver' was not declared. Should it be static? Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/1531315367-190647-1-git-send-email-weiyongjun1@huawei.com
2018-07-12drm/vkms: Add vblank events simulated by hrtimersRodrigo Siqueira3-0/+119
This commit adds regular vblank events simulated through hrtimers, which is a feature required by VKMS to mimic real hardware. Additionally, all the vblank event send after pageflip is kept in the atomic_flush function. Changes since V1: - Compute the vblank timer interval per interruption Ville Syrjälä and Daniel Vetter: - Removes hardcoded vblank interval to get it from user space Changes since V2: Chris Wilson - Removes unnecessary algorithm to compute the next period Daniel Vetter: - Uses drm_calc_timestamping_constants to get the vblank interval instead of calculating it manually - Adds disable_vblank helper that turns of crtc - Simplifies implementation by using drm_crtc_arm_vblank_event - Replaces the code in atomic_begin to atomic_flush - Removes unnecessary field in vkms_output Changes since V3: Daniel Vetter: - Squash "drm/vkms: Add atomic helpers functions" into the commit that handling vblank events simulated by hrtimers Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/7709bba40782ec06332d57fff337797b272581fc.1531359228.git.rodrigosiqueiramelo@gmail.com
2018-07-12drm/vkms: Add connectors helpersRodrigo Siqueira3-6/+29
This patch adds the struct drm_connector_helper_funcs with some necessary hooks. Additionally, it also adds some missing hooks at drm_connector_funcs. Changes since V1: - None Change since V2: Daniel Vetter: - Remove vkms_conn_mode_valid Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/c8ee28b889234e866ef18bce4216385661c48041.1531359228.git.rodrigosiqueiramelo@gmail.com
2018-07-12drm: gma500: Changed __attribute__((packed)) to __packedEames Trinh1-19/+19
Signed-off-by: Eames Trinh <eamestrinh@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20180710130021.4499-1-eamestrinh@gmail.com
2018-07-12drm/vkms: Add dumb operationsRodrigo Siqueira4-1/+213
VKMS currently does not handle dumb data, and as a consequence, it does not provide mechanisms for handling gem. This commit adds the necessary support for gem object/handler and the dumb functions. Changes since V1: Daniel Vetter: - Add dumb buffer support to the same patchset Changes since V2: Haneen: - Add missing gem_free_object_unlocked callback to fix the warning "Memory manager not clean during takedown" Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/70b7becc91c6a323dbc15cb5fc912cbdfe4ef7d9.1531359228.git.rodrigosiqueiramelo@gmail.com
2018-07-11drm/client: Fix: drm_client_new: Don't require DRM to be registeredNoralf Trønnes1-10/+1
Commit 894a677f4b3e ("drm/cma-helper: Use the generic fbdev emulation") broke almost all drivers that use the CMA helper. The reason is that drm_client_new() requires that the DRM device has been registered, but the drivers register fbdev before registering DRM. Remove the requirement that DRM should be registered when creating a new client. Fixes: c76f0f7cb546 ("drm: Begin an API for in-kernel clients") Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Icenowy Zheng <icenowy@aosc.io> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Icenowy Zheng <icenowy@aosc.io> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20180711155632.37437-1-noralf@tronnes.org
2018-07-11drm/tinydrm: Fix doc build warningsNoralf Trønnes2-4/+21
include/drm/tinydrm/tinydrm.h:34: warning: Function parameter or member 'fb_dirty' not described in 'tinydrm_device' drivers/gpu/drm/tinydrm/mipi-dbi.c:272: warning: Function parameter or member 'crtc_state' not described in 'mipi_dbi_enable_flush' drivers/gpu/drm/tinydrm/mipi-dbi.c:272: warning: Function parameter or member 'plane_state' not described in 'mipi_dbi_enable_flush' Move struct member docs inline so it's not missed next time. Cc: David Lechner <david@lechnology.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: David Lechner <david@lechnology.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710150518.10528-1-noralf@tronnes.org
2018-07-11drm/panel: simple: Add Sharp LQ035Q7DB03 panel supportVladimir Zapolskiy2-0/+39
The change adds support for Sharp LQ035Q7DB03 3.5" QVGA TFT panel. Note that this aged panel is already found in the kernel sources, for instance in board mach files mach-mx21ads.c, mach-mx27ads.c, mach-pcm043.c, lpd270.c and imx27-phytec-phycore-rdk.dts. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180706185101.31186-1-vz@mleia.com
2018-07-11dt-bindings: display: sun4i-drm: Fix order of DW HDMI PHY compatiblesJernej Skrabec1-1/+1
They are currently sorted alphabetically. However, they should be sorted by release date of the family and then alphabetically. Fixes: 03c35dbf73e0 ("dt-bindings: display: sun4i-drm: Add description of A64 HDMI PHY") Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-19-jernej.skrabec@siol.net
2018-07-11drm/sun4i: tcon-top: Remove mux configuration at probe timeJernej Skrabec1-75/+1
Now that R40 TCON migrated to runtime mux configuration, old code can be removed. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-18-jernej.skrabec@siol.net
2018-07-11drm/sun4i: tcon-top: Add helpers for mux switchingJernej Skrabec2-0/+78
We want to be able to set TCON TOP muxes at runtime. Add helpers for that. Old, static configuration of muxes at probe time is preserved for now. It will be removed when R40 TCON starts using them. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-12-jernej.skrabec@siol.net
2018-07-11drm/sun4i: mixer: Order includes alphabeticallyJernej Skrabec1-1/+1
Includes are not alphabetically ordered. Reorder them. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-10-jernej.skrabec@siol.net
2018-07-11drm/sun4i: DW HDMI: Release nodes if error happens during CRTC searchJernej Skrabec1-10/+5
If error happens in sun8i_dw_hdmi_find_possible_crtcs(), nodes are not released with of_node_put() before returning. Fix that by calling of_node_put() when necessary. While on it, clean up the code by using of_graph_get_remote_node() which also lowers number of cases where error handling has to be performed. Fixes: 57e23de02f48 ("drm/sun4i: DW HDMI: Expand algorithm for possible crtcs") Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-8-jernej.skrabec@siol.net
2018-07-11dt-bindings: display: sun4i-drm: Add R40 TV TCON descriptionJernej Skrabec1-1/+2
TCON description is expanded with R40 TV TCON compatible. It is a bit special, because it is connected to TCON TOP instead directly to mixer and it needs special handling. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-7-jernej.skrabec@siol.net
2018-07-11drm/sun4i: tcon: Release node when traversing of graphJernej Skrabec1-0/+1
Function sun4i_tcon_find_engine_traverse() doesn't release node if it needs to traverse of graph deeper than 1 level. Fix this by calling of_node_put(). Fixes: 49836b11fe71 ("drm/sun4i: tcon: Generalize engine search algorithm") Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-6-jernej.skrabec@siol.net
2018-07-11drm/sun4i: tcon-top: Cleanup clock handlingJernej Skrabec1-37/+11
There is no need to acquire reference to clock just to get its name. This commit just cleans up the code. There is no functional change. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> [Maxime: Fixed the of_property_match_string error check] Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-5-jernej.skrabec@siol.net
2018-07-11drm/sun4i: Add R40 display engine compatibleJernej Skrabec1-0/+1
R40 has versatile display pipeline. It supports two simultanious outputs on various outputs (TVE, VGA, HDMI, MIPI DSI, LCD). Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-3-jernej.skrabec@siol.net
2018-07-11dt-bindings: display: sun4i-drm: Add R40 display engine compatibleJernej Skrabec1-0/+1
R40 has pretty unique display pipeline. It supports two outputs at the same time. Possible outputs: - 1x HDMI, - 2x TV output - 1x VGA, - 1x MIPI DSI and - 2x LCD outputs That is the biggest number of possible outputs from all Allwinner SoC. Because of that, add new compatible for it. Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-2-jernej.skrabec@siol.net
2018-07-10drm/panel: p079zca: Use of_device_get_match_data()Thierry Reding1-6/+2
Use this helper to get rid of some extra boilerplate code. Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180710110127.12315-1-thierry.reding@gmail.com
2018-07-10drm/panel: type promotion bug in s6e8aa0_read_mtp_id()Dan Carpenter1-1/+1
The ARRAY_SIZE() macro is type size_t. If s6e8aa0_dcs_read() returns a negative error code, then "ret < ARRAY_SIZE(id)" is false because the negative error code is type promoted to a high positive value. Fixes: 02051ca06371 ("drm/panel: add S6E8AA0 driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180704093807.s3lqsb2v6dg2k43d@kili.mountain