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Revert "drm/amd/display: Only restore backlight after amdgpu_dm_init or dm_resume"

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This fix regressed the original issue that commit 7875afafba
("drm/amd/display: Fix brightness level not retained over reboot") solved,
so revert it until a different approach to solve the regression that
it caused with AMD_PRIVATE_COLOR is found.

Fixes: a490c8d77d ("drm/amd/display: Only restore backlight after amdgpu_dm_init or dm_resume")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4620
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Matthew Schwartz
2025-10-09 14:19:00 +02:00
committed by Alex Deucher
parent 3a86608788
commit 9858ea4c29
2 changed files with 4 additions and 15 deletions
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7
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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@@ -630,13 +630,6 @@ struct amdgpu_display_manager {
*/
u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP];
/**
* @restore_backlight:
*
* Flag to indicate whether to restore backlight after modeset.
*/
bool restore_backlight;
/**
* @aux_hpd_discon_quirk:
*