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drm/amdgpu: handle vce pg flags properly 

Don't attempt to start/stop the vce 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 23:29:45 -05:00
parent b6df77fc5c
commit 808a934fd4
2 changed files with 6 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
View File

@ -608,6 +608,9 @@ static int vce_v2_0_set_powergating_state(void *handle,
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->pg_flags & AMDGPU_PG_SUPPORT_VCE))
return 0;
if (state == AMD_PG_STATE_GATE)
/* XXX do we need a vce_v2_0_stop()? */
return 0;

3
drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
View File

@ -728,6 +728,9 @@ static int vce_v3_0_set_powergating_state(void *handle,
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->pg_flags & AMDGPU_PG_SUPPORT_VCE))
return 0;
if (state == AMD_PG_STATE_GATE)
/* XXX do we need a vce_v3_0_stop()? */
return 0;