git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Alex Deucher <alexander.deucher@amd.com>
	Tue, 23 Nov 2021 15:44:48 +0000 (10:44 -0500)
committer	Alex Deucher <alexander.deucher@amd.com>
	Wed, 24 Nov 2021 19:06:54 +0000 (14:06 -0500)
commit	61e2db63f094b4794c2bc0aff891ab9348cd3609
tree	cf02f5f8f1e29b09eab50e3045d17b3fac0a14fe	tree \| snapshot
parent	83843602c9280897c3d8748dfe1e1407f29cbe69	commit \| diff

drm/amd/display: update bios scratch when setting backlight

Update the bios scratch register when updating the backlight
level. Some platforms apparently read this scratch register
and do additional operations in their hotkey handlers.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1518
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c		diff \| blob \| history
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h		diff \| blob \| history
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c		diff \| blob \| history

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