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drm/amdgpu: handle uvd pg flags properly

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Don't attempt to start/stop the uvd block if pg is disabled.

Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-02-04 23:26:56 -05:00
parent 50171ebecf
commit b6df77fc5c
3 changed files with 10 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
View File

@ -848,7 +848,10 @@ static int uvd_v4_2_set_powergating_state(void *handle,
* revisit this when there is a cleaner line between
* the smc and the hw blocks
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->pg_flags & AMDGPU_PG_SUPPORT_UVD))
return 0;
if (state == AMD_PG_STATE_GATE) {
uvd_v4_2_stop(adev);

3
drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
View File

@ -789,6 +789,9 @@ static int uvd_v5_0_set_powergating_state(void *handle,
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->pg_flags & AMDGPU_PG_SUPPORT_UVD))
return 0;
if (state == AMD_PG_STATE_GATE) {
uvd_v5_0_stop(adev);
return 0;

3
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
View File

@ -1030,6 +1030,9 @@ static int uvd_v6_0_set_powergating_state(void *handle,
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->pg_flags & AMDGPU_PG_SUPPORT_UVD))
return 0;
if (state == AMD_PG_STATE_GATE) {
uvd_v6_0_stop(adev);
return 0;