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drm/amdgpu: Only disable prefer_shadow on hawaii

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We changed it for all asics due to a hibernation regression
on hawaii, but the workaround breaks suspend on a polaris12.
Just disable it for hawaii.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=216119
Fixes: 3a4b1cc28f ("drm/amdgpu/display: disable prefer_shadow for generic fb helpers")
Reviewed-and-tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher
2022-08-09 11:44:05 -04:00
parent acc96ae0d1
commit a6250bdb6c
6 changed files with 14 additions and 12 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
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@@ -496,8 +496,7 @@ static int amdgpu_vkms_sw_init(void *handle)
adev_to_drm(adev)->mode_config.max_height = YRES_MAX;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
/* disable prefer shadow for now due to hibernation issues */
adev_to_drm(adev)->mode_config.prefer_shadow = 0;
adev_to_drm(adev)->mode_config.prefer_shadow = 1;
adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;