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drm/amdgpu/display: disable prefer_shadow for generic fb helpers

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Seems to break hibernation.  Disable for now until we can root
cause it.

Fixes: 087451f372 ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's.")
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=216119
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2022-06-21 10:10:37 -04:00
parent 89e2b4373a
commit fc25fd602b
6 changed files with 12 additions and 6 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -3821,7 +3821,8 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
adev_to_drm(adev)->mode_config.max_height = 16384;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
adev_to_drm(adev)->mode_config.prefer_shadow = 1;
/* disable prefer shadow for now due to hibernation issues */
adev_to_drm(adev)->mode_config.prefer_shadow = 0;
/* indicates support for immediate flip */
adev_to_drm(adev)->mode_config.async_page_flip = true;