diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2022-08-09 11:44:05 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-10 15:41:23 -0400 |
| commit | a6250bdb6c4677ee77d699b338e077b900f94c0c (patch) | |
| tree | 2940057901628166831a1deb825d39484554362c /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | acc96ae0d12783e9781428b17e34fd662a904f0a (diff) | |
| download | lwn-a6250bdb6c4677ee77d699b338e077b900f94c0c.tar.gz lwn-a6250bdb6c4677ee77d699b338e077b900f94c0c.zip | |
drm/amdgpu: Only disable prefer_shadow on hawaii
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: 3a4b1cc28fbd ("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
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 08906c7778b4..5140d9c2bf3b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3825,8 +3825,11 @@ 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; - /* disable prefer shadow for now due to hibernation issues */ - adev_to_drm(adev)->mode_config.prefer_shadow = 0; + if (adev->asic_type == CHIP_HAWAII) + /* disable prefer shadow for now due to hibernation issues */ + adev_to_drm(adev)->mode_config.prefer_shadow = 0; + else + adev_to_drm(adev)->mode_config.prefer_shadow = 1; /* indicates support for immediate flip */ adev_to_drm(adev)->mode_config.async_page_flip = true; |