linux-stable.git/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c, branch v6.0 Linux kernel stable tree drm/amd/display: fix memory leak when using debugfs_lookup() 2022-09-08T02:51:38+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2022-09-02T13:01:05+00:00 cbfac7fa491651c57926c99edeb7495c6c1aeac2 When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. Fix this up by properly calling dput(). Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Wayne Lin <Wayne.Lin@amd.com> Cc: hersen wu <hersenxs.wu@amd.com> Cc: Wenjing Liu <wenjing.liu@amd.com> Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Cc: Thelford Williams <tdwilliamsiv@gmail.com> Cc: Fangzhi Zuo <Jerry.Zuo@amd.com> Cc: Yongzhi Liu <lyz_cs@pku.edu.cn> Cc: Mikita Lipski <mikita.lipski@amd.com> Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time.  Fix this up by properly
calling dput().

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: hersen wu <hersenxs.wu@amd.com>
Cc: Wenjing Liu <wenjing.liu@amd.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Thelford Williams <tdwilliamsiv@gmail.com>
Cc: Fangzhi Zuo <Jerry.Zuo@amd.com>
Cc: Yongzhi Liu <lyz_cs@pku.edu.cn>
Cc: Mikita Lipski <mikita.lipski@amd.com>
Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: stable@vger.kernel.org
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Clean up some inconsistent indenting 2022-07-28T20:05:16+00:00 Jiapeng Chong jiapeng.chong@linux.alibaba.com 2022-07-26T07:25:55+00:00 e3b0079be8f0a2ccb533f7e38757b27ab6b6018c No functional modification involved. smatch warnings: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1372 dp_dsc_clock_en_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1478 dp_dsc_clock_en_write() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1563 dp_dsc_slice_width_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1667 dp_dsc_slice_width_write() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1752 dp_dsc_slice_height_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1856 dp_dsc_slice_height_write() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1937 dp_dsc_bits_per_pixel_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2038 dp_dsc_bits_per_pixel_write() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2117 dp_dsc_pic_width_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2178 dp_dsc_pic_height_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2254 dp_dsc_chunk_size_read() warn: inconsistent indenting. drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2330 dp_dsc_slice_bpg_offset_read() warn: inconsistent indenting. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
No functional modification involved.

smatch warnings:

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1372 dp_dsc_clock_en_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1478 dp_dsc_clock_en_write() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1563 dp_dsc_slice_width_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1667 dp_dsc_slice_width_write() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1752 dp_dsc_slice_height_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1856 dp_dsc_slice_height_write() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:1937 dp_dsc_bits_per_pixel_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2038 dp_dsc_bits_per_pixel_write() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2117 dp_dsc_pic_width_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2178 dp_dsc_pic_height_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2254 dp_dsc_chunk_size_read() warn: inconsistent indenting.
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:2330 dp_dsc_slice_bpg_offset_read() warn: inconsistent indenting.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Add tags for indicating mst progress status 2022-07-20T20:04:42+00:00 Wayne Lin Wayne.Lin@amd.com 2022-07-20T19:11:56+00:00 25f7cde8bad9fe5943851d3d602e9fddb7977961 [Why & How] In order to leverage igt tool to maintain mst feature, expose new debugfs entry "mst_progress_status". In our dm flow, record down the result of each phase of mst and user can examine the mst result by checking whether each phase get completed successfully. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
In order to leverage igt tool to maintain mst feature, expose new
debugfs entry "mst_progress_status".

In our dm flow, record down the result of each phase of mst and user
can examine the mst result by checking whether each phase get completed
successfully.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: Add is_mst_connector debugfs entry 2022-07-20T20:04:39+00:00 Wayne Lin Wayne.Lin@amd.com 2021-08-17T10:58:31+00:00 8b076fa7c5befd1d3e1d892ae466f5334e4c6c99 [Why & How] Add "is_mst_connector" debugfs entry to help distinguish whether a connector is in a mst topology or not. Access it with the following command: cat /sys/kernel/debug/dri/0/DP-X/is_mst_connector Result: - "root" stands for the root connector of the topology - "branch" stands for branch device of the topology - "end" stands for leaf node connector of the topology - "no" stands for the connector is not a device of a mst topology Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
Add "is_mst_connector" debugfs entry to help distinguish whether
a connector is in a mst topology or not.

Access it with the following command:
    cat /sys/kernel/debug/dri/0/DP-X/is_mst_connector

Result:
- "root" stands for the root connector of the topology
- "branch" stands for branch device of the topology
- "end" stands for leaf node connector of the topology
- "no" stands for the connector is not a device of a mst topology

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/display: fix trigger_hotplug to support mst case 2022-07-20T20:04:35+00:00 Wayne Lin Wayne.Lin@amd.com 2021-08-17T10:14:42+00:00 c8a58ce18ca36b62749e326411176554462a5e2c [Why & How] Correct few problems below to have debugfs trigger_hotplug entry supports mst case * Adjust the place for acquiring the hpd_lock. We'll also access dc_link when simulate unplug * When detect the connector is a mst root, call reset_cur_dp_mst_topology() to simulate unplug * Don't support hotplug caused by CSN message since we can't change mst topology info directly. We can't simulate that * Clean up redundant code Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
Correct few problems below to have debugfs trigger_hotplug entry
supports mst case

* Adjust the place for acquiring the hpd_lock. We'll also access
  dc_link when simulate unplug
* When detect the connector is a mst root, call
  reset_cur_dp_mst_topology() to simulate unplug
* Don't support hotplug caused by CSN message since we can't change
  mst topology info directly. We can't simulate that
* Clean up redundant code

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Merge tag 'amd-drm-next-5.20-2022-07-14' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-07-15T05:07:26+00:00 Dave Airlie airlied@redhat.com 2022-07-15T05:07:24+00:00 60693e3a38903e39e4fac0a9849b698fc36228bd amd-drm-next-5.20-2022-07-14: amdgpu: - DCN3.2 updates - DC SubVP support - DP MST fixes - Audio fixes - DC code cleanup - SMU13 updates - Adjust GART size on newer APUs for S/G display - Soft reset for GFX 11 - Soft reset for SDMA 6 - Add gfxoff status query for vangogh - Improve BO domain pinning - Fix timestamps for cursor only commits - MES fixes - DCN 3.1.4 support - Misc fixes - Misc code cleanup amdkfd: - Simplify GPUVM validation - Unified memory for CWSR save/restore area - fix possible list corruption on queue failure radeon: - Fix bogus power of two warning UAPI: - Unified memory for CWSR save/restore area for KFD Proposed userspace: https://lists.freedesktop.org/archives/amd-gfx/2022-June/080952.html Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220714214716.8203-1-alexander.deucher@amd.com 
amd-drm-next-5.20-2022-07-14:

amdgpu:
- DCN3.2 updates
- DC SubVP support
- DP MST fixes
- Audio fixes
- DC code cleanup
- SMU13 updates
- Adjust GART size on newer APUs for S/G display
- Soft reset for GFX 11
- Soft reset for SDMA 6
- Add gfxoff status query for vangogh
- Improve BO domain pinning
- Fix timestamps for cursor only commits
- MES fixes
- DCN 3.1.4 support
- Misc fixes
- Misc code cleanup

amdkfd:
- Simplify GPUVM validation
- Unified memory for CWSR save/restore area
- fix possible list corruption on queue failure

radeon:
- Fix bogus power of two warning

UAPI:
- Unified memory for CWSR save/restore area for KFD
  Proposed userspace: https://lists.freedesktop.org/archives/amd-gfx/2022-June/080952.html

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220714214716.8203-1-alexander.deucher@amd.com
drm/amd/display: Grab dc_lock before detecting link 2022-07-13T15:25:17+00:00 Wayne Lin Wayne.Lin@amd.com 2022-05-31T09:46:24+00:00 15c735e7990fdabb466a3341b6b2dfefd987127e [Why & How] There is chance we change dc state while calling dc_link_detect(). As the result of that, grab the dm.dc_lock before detecting link. Reviewed-by: Hersen Wu <hersen.wu@amd.com> Acked-by: Solomon Chiu <solomon.chiu@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[Why & How]
There is chance we change dc state while calling dc_link_detect().
As the result of that, grab the dm.dc_lock before detecting link.

Reviewed-by: Hersen Wu <hersen.wu@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Merge tag 'amd-drm-next-5.20-2022-07-05' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-07-12T01:07:32+00:00 Dave Airlie airlied@redhat.com 2022-07-12T01:07:30+00:00 344feb7ccf764756937cfd74fa4ac5caba069c99 amd-drm-next-5.20-2022-07-05: amdgpu: - Various spelling and grammer fixes - Various eDP fixes - Various DMCUB fixes - VCN fixes - GMC 11 fixes - RAS fixes - TMZ support for GC 10.3.7 - GPUVM TLB flush fixes - SMU 13.0.x updates - DCN 3.2 Support - DCN 3.2.1 Support - MES updates - GFX11 modifiers support - USB-C fixes - MMHUB 3.0.1 support - SDMA 6.0 doorbell fixes - Initial devcoredump support - Enable high priority gfx queue on asics which support it - Enable GPU reset for SMU 13.0.4 - OLED display fixes - MPO fixes - DC frame size fixes - ASPM support for PCIE 7.4/7.6 - GPU reset support for SMU 13.0.0 - GFX11 updates - VCN JPEG fix - BACO support for SMU 13.0.7 - VCN instance handling fix - GFX8 GPUVM TLB flush fix - GPU reset rework - VCN 4.0.2 support - GTT size fixes - DP link training fixes - LSDMA 6.0.1 support - Various backlight fixes - Color encoding fixes - Backlight config cleanup - VCN 4.x unified queue cleanup amdkfd: - MMU notifier fixes - Updates for GC 10.3.6 and 10.3.7 - P2P DMA support using dma-buf - Add available memory IOCTL - SDMA 6.0.1 fix - MES fixes - HMM profiler support radeon: - License fix - Backlight config cleanup UAPI: - Add available memory IOCTL to amdkfd Proposed userspace: https://www.mail-archive.com/amd-gfx@lists.freedesktop.org/msg75743.html - HMM profiler support for amdkfd Proposed userspace: https://lists.freedesktop.org/archives/amd-gfx/2022-June/080805.html Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220705212633.6037-1-alexander.deucher@amd.com 
amd-drm-next-5.20-2022-07-05:

amdgpu:
- Various spelling and grammer fixes
- Various eDP fixes
- Various DMCUB fixes
- VCN fixes
- GMC 11 fixes
- RAS fixes
- TMZ support for GC 10.3.7
- GPUVM TLB flush fixes
- SMU 13.0.x updates
- DCN 3.2 Support
- DCN 3.2.1 Support
- MES updates
- GFX11 modifiers support
- USB-C fixes
- MMHUB 3.0.1 support
- SDMA 6.0 doorbell fixes
- Initial devcoredump support
- Enable high priority gfx queue on asics which support it
- Enable GPU reset for SMU 13.0.4
- OLED display fixes
- MPO fixes
- DC frame size fixes
- ASPM support for PCIE 7.4/7.6
- GPU reset support for SMU 13.0.0
- GFX11 updates
- VCN JPEG fix
- BACO support for SMU 13.0.7
- VCN instance handling fix
- GFX8 GPUVM TLB flush fix
- GPU reset rework
- VCN 4.0.2 support
- GTT size fixes
- DP link training fixes
- LSDMA 6.0.1 support
- Various backlight fixes
- Color encoding fixes
- Backlight config cleanup
- VCN 4.x unified queue cleanup

amdkfd:
- MMU notifier fixes
- Updates for GC 10.3.6 and 10.3.7
- P2P DMA support using dma-buf
- Add available memory IOCTL
- SDMA 6.0.1 fix
- MES fixes
- HMM profiler support

radeon:
- License fix
- Backlight config cleanup

UAPI:
- Add available memory IOCTL to amdkfd
  Proposed userspace: https://www.mail-archive.com/amd-gfx@lists.freedesktop.org/msg75743.html
- HMM profiler support for amdkfd
  Proposed userspace: https://lists.freedesktop.org/archives/amd-gfx/2022-June/080805.html

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220705212633.6037-1-alexander.deucher@amd.com
drm/amd/display: rename lane_settings to hw_lane_settings 2022-06-21T22:17:23+00:00 Wenjing Liu wenjing.liu@amd.com 2021-09-12T03:06:31+00:00 2b96b036a6a5767b84f87edc2c0a1c70c91ebac0 [why] This is one of the major steps to decouple hw lane settings from dpcd lane settings. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
[why]
This is one of the major steps to decouple hw lane settings
from dpcd lane settings.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Merge tag 'drm-misc-next-2022-06-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-next 2022-06-15T17:12:17+00:00 Daniel Vetter daniel.vetter@ffwll.ch 2022-06-15T17:12:17+00:00 0f95ee9a0c579ebed0309657f6918673927189f2 drm-misc-next for 5.20: UAPI Changes: * connector: export bpc limits in debugfs * dma-buf: Print buffer name in debugfs Cross-subsystem Changes: * dma-buf: Improve dma-fence handling; Cleanups * fbdev: Device-unregistering fixes Core Changes: * client: Only use driver-validated modes to avoid blank screen * dp-aux: Make probing more reliable; Small fixes * edit: CEA data-block iterators; Introduce struct drm_edid; Many cleanups * gem: Don't use framebuffer format's non-exising color planes * probe-helper: Use 640x480 as DisplayPort fallback; Refactoring * scheduler: Don't kill jobs in interrupt context Driver Changes: * amdgpu: Use atomic fence helpers in DM; Fix VRAM address calculation; Export CRTC bpc settings via debugfs * bridge: Add TI-DLPC3433; anx7625: Fixes; fy07024di26a30d: Optional GPIO reset; icn6211: Cleanups; ldb: Add reg and reg-name properties to bindings, Kconfig fixes; lt9611: Fix display sensing; lt9611uxc: Fixes; nwl-dsi: Fixes; ps8640: Cleanups; st7735r: Fixes; tc358767: DSI/DPI refactoring and DSI-to-eDP support, Fixes; ti-sn65dsi83: Fixes; * gma500: Cleanup connector I2C handling * hyperv: Unify VRAM allocation of Gen1 and Gen2 * i915: export CRTC bpc settings via debugfs * 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; Cleanups * nouveau: Fixes and Cleanups * panel: Kconfig fixes * panfrost: Valhall support * r128: Fix bit-shift overflow * rockchip: Locking fixes in error path; Minor cleanups * ssd130x: Fix built-in linkage * ttm: Cleanups * udl; Always advertize VGA connector * fbdev/vesa: Support COMPILE_TEST Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YqBtumw05JZDEZE2@linux-uq9g 
drm-misc-next for 5.20:

UAPI Changes:

 * connector: export bpc limits in debugfs

 * dma-buf: Print buffer name in debugfs

Cross-subsystem Changes:

 * dma-buf: Improve dma-fence handling; Cleanups

 * fbdev: Device-unregistering fixes

Core Changes:

 * client: Only use driver-validated modes to avoid blank screen

 * dp-aux: Make probing more reliable; Small fixes

 * edit: CEA data-block iterators; Introduce struct drm_edid; Many cleanups

 * gem: Don't use framebuffer format's non-exising color planes

 * probe-helper: Use 640x480 as DisplayPort fallback; Refactoring

 * scheduler: Don't kill jobs in interrupt context

Driver Changes:

 * amdgpu: Use atomic fence helpers in DM; Fix VRAM address calculation;
   Export CRTC bpc settings via debugfs

 * bridge: Add TI-DLPC3433;  anx7625: Fixes;  fy07024di26a30d: Optional
   GPIO reset;  icn6211: Cleanups;  ldb: Add reg and reg-name properties
   to bindings, Kconfig fixes;  lt9611: Fix display sensing;  lt9611uxc:
   Fixes;  nwl-dsi: Fixes;  ps8640: Cleanups;  st7735r: Fixes;  tc358767:
   DSI/DPI refactoring and DSI-to-eDP support, Fixes; ti-sn65dsi83:
   Fixes;

 * gma500: Cleanup connector I2C handling

 * hyperv: Unify VRAM allocation of Gen1 and Gen2

 * i915: export CRTC bpc settings via debugfs

 * 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; Cleanups

 * nouveau: Fixes and Cleanups

 * panel: Kconfig fixes

 * panfrost: Valhall support

 * r128: Fix bit-shift overflow

 * rockchip: Locking fixes in error path; Minor cleanups

 * ssd130x: Fix built-in linkage

 * ttm: Cleanups

 * udl; Always advertize VGA connector

 * fbdev/vesa: Support COMPILE_TEST

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YqBtumw05JZDEZE2@linux-uq9g