[PATCH] drm/amd/display: Restore backlight brightness after system resume

[Sasha Levin]

Hi,

[This is an automated email]

This commit has been processed because it contains a -stable tag.
The stable tag indicates that it's relevant for the following trees: all

The bot has tested the following trees: v5.2.11, v4.19.69, v4.14.141, v4.9.190, v4.4.190.

v5.2.11: Build OK!
v4.19.69: Build OK!
v4.14.141: Failed to apply! Possible dependencies:
    1b0c0f9dc5ca ("drm/amdgpu: move userptr BOs to CPU domain during CS v2")
    1ed3d2567c80 ("drm/amdgpu: keep the MMU lock until the update ends v4")
    3fe89771cb0a ("drm/amdgpu: stop reserving the BO in the MMU callback v3")
    4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
    60de1c1740f3 ("drm/amdgpu: use a rw_semaphore for MMU notifiers")
    9a18999640fa ("drm/amdgpu: move MMU notifier related defines to amdgpu_mn.h")
    9cca0b8e5df0 ("drm/amdgpu: move amdgpu_cs_sysvm_access_required into find_mapping")
    a216ab09955d ("drm/amdgpu: fix userptr put_page handling")
    b72cf4fca2bb ("drm/amdgpu: move taking mmap_sem into get_user_pages v2")
    ca666a3c298f ("drm/amdgpu: stop using BO status for user pages")

v4.9.190: Failed to apply! Possible dependencies:
    1cec20f0ea0e ("dma-buf: Restart reservation_object_wait_timeout_rcu() after writes")
    3fe89771cb0a ("drm/amdgpu: stop reserving the BO in the MMU callback v3")
    4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
    4df654d293c6 ("drm/amdgpu: move amdgpu_uvd structure to uvd header")
    5e5681788bef ("drm/amdgpu: move amdgpu_vce structure to vce header")
    660e855813f7 ("amdgpu: use drm sync objects for shared semaphores (v6)")
    78010cd9736e ("dma-buf/fence: add an lockdep_assert_held()")
    95aa13f6b196 ("drm/amdgpu: move amdgpu_vcn structure to vcn header")
    95d0906f8506 ("drm/amdgpu: add initial vcn support and decode tests")
    9a18999640fa ("drm/amdgpu: move MMU notifier related defines to amdgpu_mn.h")
    b636922553ee ("drm/amdgpu: only move VM BOs in the LRU during validation v2")
    b72cf4fca2bb ("drm/amdgpu: move taking mmap_sem into get_user_pages v2")
    f54d1867005c ("dma-buf: Rename struct fence to dma_fence")
    fedf54132d24 ("dma-buf: Restart reservation_object_get_fences_rcu() after writes")

v4.4.190: Failed to apply! Possible dependencies:
    1f7371b2a5fa ("drm/amd/powerplay: add basic powerplay framework")
    288912cb95d1 ("drm/amdgpu: use $(src) in Makefile (v2)")
    37cd0ca204a5 ("drm/amdgpu: unify AMDGPU_CTX_MAX_CS_PENDING and amdgpu_sched_jobs")
    3c0eea6c35d9 ("drm/amdgpu: put VM page tables directly into duplicates list")
    3f99dd814a6f ("drm/amdgpu: save and restore UVD context with suspend and resume")
    4325198180e5 ("drm/amdgpu: remove GART page addr array")
    4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
    4acabfe3793e ("drm/amdgpu: fix num_ibs check")
    4df654d293c6 ("drm/amdgpu: move amdgpu_uvd structure to uvd header")
    50838c8cc413 ("drm/amdgpu: add proper job alloc/free functions")
    56467ebfb254 ("drm/amdgpu: split VM PD and PT handling during CS")
    5e5681788bef ("drm/amdgpu: move amdgpu_vce structure to vce header")
    7270f8391df1 ("drm/amdgpu: add amdgpu_set_ib_value helper (v2)")
    95aa13f6b196 ("drm/amdgpu: move amdgpu_vcn structure to vcn header")
    9a18999640fa ("drm/amdgpu: move MMU notifier related defines to amdgpu_mn.h")
    a1d29476d666 ("drm/amdgpu: optionally enable GART debugfs file")
    a8fe58cec351 ("drm/amd: add ACP driver support")
    c036554170fc ("drm/amdgpu: handle more than 10 UVD sessions (v2)")
    c3cca41e6249 ("drm/amdgpu: cleanup amdgpu_cs_parser structure")
    cadf97b196a1 ("drm/amdgpu: clean up non-scheduler code path (v2)")
    cd75dc6887f1 ("drm/amdgpu: separate pushing CS to scheduler")
    d71518b5aa7c ("drm/amdgpu: cleanup in kernel job submission")
    d7af97dbccf0 ("drm/amdgpu: send UVD IB tests directly to the ring again")
    d8e0cae64550 ("drm/amdgpu: validate duplicates first")
    f69f90a113f2 ("drm/amdgpu: fix amdgpu_cs_get_threshold_for_moves handling")
    fdba11f4079e ("drm/amdgpu: move all Kconfig options to amdgpu/Kconfig")


NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

--
Thanks,
Sasha