Merge tag 'drm-next-2022-08-03' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights:

   - New driver for logicvc - which is a display IP core.

   - EDID parser rework to add new extensions

   - fbcon scrolling improvements

   - i915 has some more DG2 work but not enabled by default, but should
     have enough features for userspace to work now.

  Otherwise it's lots of work all over the place. Detailed summary:

  New driver:
   - logicvc

  vfio:
   - use aperture API

  core:
   - of: Add data-lane helpers and convert drivers
   - connector: Remove deprecated ida_simple_get()

  media:
   - Add various RGB666 and RGB888 format constants

  panel:
   - Add HannStar HSD101PWW
   - Add ETML0700Y5DHA

  dma-buf:
   - add sync-file API
   - set dma mask for udmabuf devices

  fbcon:
   - Improve scrolling performance
   - Sanitize input

  fbdev:
   - device unregistering fixes
   - vesa: Support COMPILE_TEST
   - Disable firmware-device registration when first native driver loads

  aperture:
   - fix segfault during hot-unplug
   - export for use with other subsystems

  client:
   - use driver validated modes

  dp:
   - aux: make probing more reliable
   - mst: Read extended DPCD capabilities during system resume
   - Support waiting for HDP signal
   - Port-validation fixes

  edid:
   - CEA data-block iterators
   - struct drm_edid introduction
   - implement HF-EEODB extension

  gem:
   - don't use fb format non-existing planes

  probe-helper:
   - use 640x480 as displayport fallback

  scheduler:
   - don't kill jobs in interrupt context

  bridge:
   - Add support for i.MX8qxp and i.MX8qm
   - lots of fixes/cleanups
   - Add TI-DLPC3433
   - fy07024di26a30d: Optional GPIO reset
   - ldb: Add reg and reg-name properties to bindings, Kconfig fixes
   - lt9611: Fix display sensing;
   - tc358767: DSI/DPI refactoring and DSI-to-eDP support, DSI lane handling
   - tc358775: Fix clock settings
   - ti-sn65dsi83: Allow GPIO to sleep
   - adv7511: I2C fixes
   - anx7625: Fix error handling; DPI fixes; Implement HDP timeout via callback
   - fsl-ldb: Drop DE flip
   - ti-sn65dsi86: Convert to atomic modesetting

  amdgpu:
   - use atomic fence helpers in DM
   - fix VRAM address calculations
   - export CRTC bpc via debugfs
   - Initial devcoredump support
   - Enable high priority gfx queue on asics which support it
   - Adjust GART size on newer APUs for S/G display
   - Soft reset for GFX 11 / SDMA 6
   - Add gfxoff status query for vangogh
   - Fix timestamps for cursor only commits
   - Adjust GART size on newer APUs for S/G display
   - fix buddy memory corruption

  amdkfd:
   - MMU notifier fixes
   - P2P DMA support using dma-buf
   - Add available memory IOCTL
   - HMM profiler support
   - Simplify GPUVM validation
   - Unified memory for CWSR save/restore area

  i915:
   - General driver clean-up
   - DG2 enabling (still under force probe)
       - DG2 small BAR memory support
       - HuC loading support
       - DG2 workarounds
       - DG2/ATS-M device IDs added
   - Ponte Vecchio prep work and new blitter engines
   - add Meteorlake support
   - Fix sparse warnings
   - DMC MMIO range checks
   - Audio related fixes
   - Runtime PM fixes
   - PSR fixes
   - Media freq factor and per-gt enhancements
   - DSI fixes for ICL+
   - Disable DMC flip queue handlers
   - ADL_P voltage swing updates
   - Use more the VBT for panel information
   - Fix on Type-C ports with TBT mode
   - Improve fastset and allow seamless M/N changes
   - Accept more fixed modes with VRR/DMRRS panels
   - Disable connector polling for a headless SKU
   - ADL-S display PLL w/a
   - Enable THP on Icelake and beyond
   - Fix i915_gem_object_ggtt_pin_ww regression on old platforms
   - Expose per tile media freq factor in sysfs
   - Fix dma_resv fence handling in multi-batch execbuf
   - Improve on suspend / resume time with VT-d enabled
   - export CRTC bpc settings via debugfs

  msm:
   - gpu: a619 support
   - gpu: Fix for unclocked GMU register access
   - gpu: Devcore dump enhancements
   - client utilization via fdinfo support
   - fix fence rollover issue
   - gem: Lockdep false-positive warning fix
   - gem: Switch to pfn mappings
   - WB support on sc7180
   - dp: dropped custom bulk clock implementation
   - fix link retraining on resolution change
   - hdmi: dropped obsolete GPIO support

  tegra:
   - context isolation for host1x engines
   - tegra234 soc support

  mediatek:
   - add vdosys0/1 for mt8195
   - add MT8195 dp_intf driver

  exynos:
   - Fix resume function issue of exynos decon driver by calling
     clk_disable_unprepare() properly if clk_prepare_enable() failed.

  nouveau:
   - set of misc fixes/cleanups
   - display cleanups

  gma500:
   - Cleanup connector I2C handling

  hyperv:
   - Unify VRAM allocation of Gen1 and Gen2

  meson:
   - Support YUV422 output; Refcount fixes

  mgag200:
   - Support damage clipping
   - Support gamma handling
   - Protect concurrent HW access
   - Fixes to connector
   - Store model-specific limits in device-info structure
   - fix PCI register init

  panfrost:
   - Valhall support

  r128:
   - Fix bit-shift overflow

  rockchip:
   - Locking fixes in error path

  ssd130x:
   - Fix built-in linkage

  udl:
   - Always advertize VGA connector

  ast:
   - Support multiple outputs
   - fix black screen on resume

  sun4i:
   - HDMI PHY cleanups

  vc4:
   - Add support for BCM2711

  vkms:
   - Allocate output buffer with vmalloc()

  mcde:
   - Fix ref-count leak

  mxsfb/lcdif:
   - Support i.MX8MP LCD controller

  stm/ltdc:
   - Support dynamic Z order
   - Support mirroring

  ingenic:
   - Fix display at maximum resolution"

* tag 'drm-next-2022-08-03' of git://anongit.freedesktop.org/drm/drm: (1480 commits)
  drm/amd/display: Fix a compilation failure on PowerPC caused by FPU code
  drm/amdgpu: enable support for psp 13.0.4 block
  drm/amdgpu: add files for PSP 13.0.4
  drm/amdgpu: add header files for MP 13.0.4
  drm/amdgpu: correct RLC_RLCS_BOOTLOAD_STATUS offset and index
  drm/amdgpu: send msg to IMU for the front-door loading
  drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b"
  drm/amdgpu: fix hive reference leak when reflecting psp topology info
  drm/amd/pm: enable GFX ULV feature support for SMU13.0.0
  drm/amd/pm: update driver if header for SMU 13.0.0
  drm/amdgpu: move mes self test after drm sched re-started
  drm/amdgpu: drop non-necessary call trace dump
  drm/amdgpu: enable VCN cg and JPEG cg/pg
  drm/amdgpu: vcn_4_0_2 video codec query
  drm/amdgpu: add VCN_4_0_2 firmware support
  drm/amdgpu: add VCN function in NBIO v7.7
  drm/amdgpu: fix a vcn4 boot poll bug in emulation mode
  drm/amd/amdgpu: add memory training support for PSP_V13
  drm/amdkfd: remove an unnecessary amdgpu_bo_ref
  drm/amd/pm: Add get_gfx_off_status interface for yellow carp
  ...

24 files changed, 75 insertions, 50 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_cmm.c b/drivers/gpu/drm/rcar-du/rcar_cmm.c
index 382d53f8a22e..e2a67dda4658 100644
--- a/drivers/gpu/drm/rcar-du/rcar_cmm.c
+++ b/drivers/gpu/drm/rcar-du/rcar_cmm.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_cmm.c -- R-Car Display Unit Color Management Module
+ * R-Car Display Unit Color Management Module
  *
  * Copyright (C) 2019 Jacopo Mondi <jacopo+renesas@jmondi.org>
  */
diff --git a/drivers/gpu/drm/rcar-du/rcar_cmm.h b/drivers/gpu/drm/rcar-du/rcar_cmm.h
index b5f7ec6db04a..628072acc98b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_cmm.h
+++ b/drivers/gpu/drm/rcar-du/rcar_cmm.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_cmm.h -- R-Car Display Unit Color Management Module
+ * R-Car Display Unit Color Management Module
  *
  * Copyright (C) 2019 Jacopo Mondi <jacopo+renesas@jmondi.org>
  */
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index f361a604337f..621bbccb95d4 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_crtc.c  --  R-Car Display Unit CRTCs
+ * R-Car Display Unit CRTCs
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
@@ -300,6 +300,11 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
 	     | DSMR_DIPM_DISP | DSMR_CSPM;
 	rcar_du_crtc_write(rcrtc, DSMR, dsmr);
 
+	/*
+	 * When the CMM is enabled, an additional offset of 25 pixels must be
+	 * subtracted from the HDS (horizontal display start) and HDE
+	 * (horizontal display end) registers.
+	 */
 	hdse_offset = 19;
 	if (rcrtc->group->cmms_mask & BIT(rcrtc->index % 2))
 		hdse_offset += 25;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
index 66e8839db708..d0f38a8b3561 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_crtc.h  --  R-Car Display Unit CRTCs
+ * R-Car Display Unit CRTCs
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 957ea97541d5..70d85610d720 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_drv.c  --  R-Car Display Unit DRM driver
+ * R-Car Display Unit DRM driver
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
@@ -55,6 +55,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7743_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
@@ -77,6 +78,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
 			.port = 1,
 		},
 	},
+	.num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rzg1_du_r8a77470_info = {
@@ -104,6 +106,7 @@ static const struct rcar_du_device_info rzg1_du_r8a77470_info = {
 			.port = 2,
 		},
 	},
+	.num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a774a1_info = {
@@ -133,6 +136,7 @@ static const struct rcar_du_device_info rcar_du_r8a774a1_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 	.dpll_mask =  BIT(1),
 };
 
@@ -163,6 +167,7 @@ static const struct rcar_du_device_info rcar_du_r8a774b1_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 	.dpll_mask =  BIT(1),
 };
 
@@ -190,6 +195,7 @@ static const struct rcar_du_device_info rcar_du_r8a774c0_info = {
 		},
 	},
 	.num_lvds = 2,
+	.num_rpf = 4,
 	.lvds_clk_mask =  BIT(1) | BIT(0),
 };
 
@@ -220,6 +226,7 @@ static const struct rcar_du_device_info rcar_du_r8a774e1_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 	.dpll_mask =  BIT(1),
 };
 
@@ -272,6 +279,7 @@ static const struct rcar_du_device_info rcar_du_r8a7790_info = {
 		},
 	},
 	.num_lvds = 2,
+	.num_rpf = 4,
 };
 
 /* M2-W (r8a7791) and M2-N (r8a7793) are identical */
@@ -297,6 +305,7 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7792_info = {
@@ -317,6 +326,7 @@ static const struct rcar_du_device_info rcar_du_r8a7792_info = {
 			.port = 1,
 		},
 	},
+	.num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7794_info = {
@@ -340,6 +350,7 @@ static const struct rcar_du_device_info rcar_du_r8a7794_info = {
 			.port = 1,
 		},
 	},
+	.num_rpf = 4,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7795_info = {
@@ -373,6 +384,7 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 	.dpll_mask =  BIT(2) | BIT(1),
 };
 
@@ -403,6 +415,7 @@ static const struct rcar_du_device_info rcar_du_r8a7796_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 	.dpll_mask =  BIT(1),
 };
 
@@ -433,6 +446,7 @@ static const struct rcar_du_device_info rcar_du_r8a77965_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 	.dpll_mask =  BIT(1),
 };
 
@@ -459,6 +473,7 @@ static const struct rcar_du_device_info rcar_du_r8a77970_info = {
 		},
 	},
 	.num_lvds = 1,
+	.num_rpf = 5,
 };
 
 static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
@@ -486,6 +501,7 @@ static const struct rcar_du_device_info rcar_du_r8a7799x_info = {
 		},
 	},
 	.num_lvds = 2,
+	.num_rpf = 5,
 	.lvds_clk_mask =  BIT(1) | BIT(0),
 };
 
@@ -505,6 +521,7 @@ static const struct rcar_du_device_info rcar_du_r8a779a0_info = {
 			.port = 1,
 		},
 	},
+	.num_rpf = 5,
 	.dsi_clk_mask =  BIT(1) | BIT(0),
 };
 
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index 101f42df86ea..bfad7775d9a1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_drv.h  --  R-Car Display Unit DRM driver
+ * R-Car Display Unit DRM driver
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
@@ -69,6 +69,7 @@ struct rcar_du_output_routing {
  * @channels_mask: bit mask of available DU channels
  * @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*)
  * @num_lvds: number of internal LVDS encoders
+ * @num_rpf: number of RPFs in VSP
  * @dpll_mask: bit mask of DU channels equipped with a DPLL
  * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot clock
  * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as dot clock
@@ -80,6 +81,7 @@ struct rcar_du_device_info {
 	unsigned int channels_mask;
 	struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX];
 	unsigned int num_lvds;
+	unsigned int num_rpf;
 	unsigned int dpll_mask;
 	unsigned int dsi_clk_mask;
 	unsigned int lvds_clk_mask;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
index 3977aaa1ab5a..60d6be78323b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_encoder.c  --  R-Car Display Unit Encoder
+ * R-Car Display Unit Encoder
  *
  * Copyright (C) 2013-2014 Renesas Electronics Corporation
  *
@@ -8,6 +8,7 @@
  */
 
 #include <linux/export.h>
+#include <linux/of.h>
 #include <linux/slab.h>
 
 #include <drm/drm_bridge.h>
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
index 73560563fb31..e5ec8fbb3979 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_encoder.h  --  R-Car Display Unit Encoder
+ * R-Car Display Unit Encoder
  *
  * Copyright (C) 2013-2014 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c
index 8665a1dd2186..1fe8581577ed 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_group.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_group.c  --  R-Car Display Unit Channels Pair
+ * R-Car Display Unit Channels Pair
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.h b/drivers/gpu/drm/rcar-du/rcar_du_group.h
index e9906609c635..55649ad86a10 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_group.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_group.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_group.c  --  R-Car Display Unit Planes and CRTCs Group
+ * R-Car Display Unit Planes and CRTCs Group
  *
  * Copyright (C) 2013-2014 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 190dbb7f15dd..761451ee5263 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_kms.c  --  R-Car Display Unit Mode Setting
+ * R-Car Display Unit Mode Setting
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
@@ -12,6 +12,7 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_managed.h>
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.h b/drivers/gpu/drm/rcar-du/rcar_du_kms.h
index 789154e19535..f31afeeee05a 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_kms.h  --  R-Car Display Unit Mode Setting
+ * R-Car Display Unit Mode Setting
  *
  * Copyright (C) 2013-2014 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index 5c1c7bb04f3f..501d79367e3e 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_plane.c  --  R-Car Display Unit Planes
+ * R-Car Display Unit Planes
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
@@ -9,10 +9,12 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_blend.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_plane_helper.h>
 
@@ -510,6 +512,18 @@ static void rcar_du_plane_setup_format_gen3(struct rcar_du_group *rgrp,
 
 	rcar_du_plane_write(rgrp, index, PnDDCR4,
 			    state->format->edf | PnDDCR4_CODE);
+
+	/*
+	 * On Gen3, some DU channels have two planes, each being wired to a
+	 * separate VSPD instance. The DU can then blend two planes. While
+	 * this feature isn't used by the driver, issues related to alpha
+	 * blending (such as incorrect colors or planes being invisible) may
+	 * still occur if the PnALPHAR register has a stale value. Set the
+	 * register to 0 to avoid this.
+	 */
+
+	/* TODO: Check if alpha-blending should be disabled in PnMR. */
+	rcar_du_plane_write(rgrp, index, PnALPHAR, 0);
 }
 
 static void rcar_du_plane_setup_format(struct rcar_du_group *rgrp,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
index 81bbf207ad0e..f9893d7d6dfc 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_plane.h  --  R-Car Display Unit Planes
+ * R-Car Display Unit Planes
  *
  * Copyright (C) 2013-2014 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_regs.h b/drivers/gpu/drm/rcar-du/rcar_du_regs.h
index 1cdaa51eb9ac..c1bcb0e8b5b4 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_regs.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_regs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * rcar_du_regs.h  --  R-Car Display Unit Registers Definitions
+ * R-Car Display Unit Registers Definitions
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index 8eb9b2b097ae..dbc68cdabcff 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * rcar_du_vsp.h  --  R-Car Display Unit VSP-Based Compositor
+ * R-Car Display Unit VSP-Based Compositor
  *
  * Copyright (C) 2015 Renesas Electronics Corporation
  *
@@ -9,9 +9,11 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_blend.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_managed.h>
@@ -405,11 +407,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 	if (ret < 0)
 		return ret;
 
-	 /*
-	  * The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to
-	  * 4 RPFs.
-	  */
-	num_planes = rcdu->info->gen >= 3 ? 5 : 4;
+	num_planes = rcdu->info->num_rpf;
 
 	vsp->planes = kcalloc(num_planes, sizeof(*vsp->planes), GFP_KERNEL);
 	if (!vsp->planes)
@@ -435,14 +433,9 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
 		drm_plane_helper_add(&plane->plane,
 				     &rcar_du_vsp_plane_helper_funcs);
 
-		if (type == DRM_PLANE_TYPE_PRIMARY) {
-			drm_plane_create_zpos_immutable_property(&plane->plane,
-								 0);
-		} else {
-			drm_plane_create_alpha_property(&plane->plane);
-			drm_plane_create_zpos_property(&plane->plane, 1, 1,
-						       num_planes - 1);
-		}
+		drm_plane_create_alpha_property(&plane->plane);
+		drm_plane_create_zpos_property(&plane->plane, i, 0,
+					       num_planes - 1);
 
 		vsp->num_planes++;
 	}
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
index 9b4724159378..67630f0b6599 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_vsp.h  --  R-Car Display Unit VSP-Based Compositor
+ * R-Car Display Unit VSP-Based Compositor
  *
  * Copyright (C) 2015 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
index 505a905e3ad1..25f50a297c11 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
@@ -1,13 +1,15 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * rcar_du_writeback.c  --  R-Car Display Unit Writeback Support
+ * R-Car Display Unit Writeback Support
  *
  * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  */
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_device.h>
+#include <drm/drm_edid.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_writeback.h>
 
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.h b/drivers/gpu/drm/rcar-du/rcar_du_writeback.h
index fa87ebf8d21f..a71c9c08cafa 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_writeback.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
- * rcar_du_writeback.h  --  R-Car Display Unit Writeback Support
+ * R-Car Display Unit Writeback Support
  *
  * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  */
diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
index 8dbfbbd3cad1..d85aa4bc7f84 100644
--- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
+++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * rcar_lvds.c  --  R-Car LVDS Encoder
+ * R-Car LVDS Encoder
  *
  * Copyright (C) 2013-2018 Renesas Electronics Corporation
  *
@@ -10,6 +10,7 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/media-bus-format.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.h b/drivers/gpu/drm/rcar-du/rcar_lvds.h
index eb7c6ef03b00..3097bf749bec 100644
--- a/drivers/gpu/drm/rcar-du/rcar_lvds.h
+++ b/drivers/gpu/drm/rcar-du/rcar_lvds.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * rcar_lvds.h  --  R-Car LVDS Encoder
+ * R-Car LVDS Encoder
  *
  * Copyright (C) 2013-2018 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h b/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h
index 87149f2f8056..ab0406a27d33 100644
--- a/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h
+++ b/drivers/gpu/drm/rcar-du/rcar_lvds_regs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * rcar_lvds_regs.h  --  R-Car LVDS Interface Registers Definitions
+ * R-Car LVDS Interface Registers Definitions
  *
  * Copyright (C) 2013-2015 Renesas Electronics Corporation
  *
diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
index 891bb956fd61..62f7eb84ab01 100644
--- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
+++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * rcar_mipi_dsi.c  --  R-Car MIPI DSI Encoder
+ * R-Car MIPI DSI Encoder
  *
  * Copyright (C) 2020 Renesas Electronics Corporation
  */
@@ -679,23 +679,12 @@ static const struct mipi_dsi_host_ops rcar_mipi_dsi_host_ops = {
 
 static int rcar_mipi_dsi_parse_dt(struct rcar_mipi_dsi *dsi)
 {
-	struct device_node *ep;
-	u32 data_lanes[4];
 	int ret;
 
-	ep = of_graph_get_endpoint_by_regs(dsi->dev->of_node, 1, 0);
-	if (!ep) {
-		dev_dbg(dsi->dev, "unconnected port@1\n");
-		return -ENODEV;
-	}
-
-	ret = of_property_read_variable_u32_array(ep, "data-lanes", data_lanes,
-						  1, 4);
-	of_node_put(ep);
-
+	ret = drm_of_get_data_lanes_count_ep(dsi->dev->of_node, 1, 0, 1, 4);
 	if (ret < 0) {
 		dev_err(dsi->dev, "missing or invalid data-lanes property\n");
-		return -ENODEV;
+		return ret;
 	}
 
 	dsi->num_data_lanes = ret;
diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi_regs.h b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi_regs.h
index 0e7a9274749f..2eaca54636f3 100644
--- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi_regs.h
+++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi_regs.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * rcar_mipi_dsi_regs.h  --  R-Car MIPI DSI Interface Registers Definitions
+ * R-Car MIPI DSI Interface Registers Definitions
  *
  * Copyright (C) 2020 Renesas Electronics Corporation
  */