drm/amdgpu: be consistent with uvd cg flags

Don't do anything if the uvd cg flags are not set.

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 23:33:56 -05:00
parent 0fd4af9e32
commit 35e5912d08
2 changed files with 8 additions and 0 deletions

View file

@ -830,6 +830,9 @@ static int uvd_v4_2_set_clockgating_state(void *handle,
bool gate = false; bool gate = false;
struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG))
return 0;
if (state == AMD_CG_STATE_GATE) if (state == AMD_CG_STATE_GATE)
gate = true; gate = true;

View file

@ -774,6 +774,11 @@ static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev,
static int uvd_v5_0_set_clockgating_state(void *handle, static int uvd_v5_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state) enum amd_clockgating_state state)
{ {
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->cg_flags & AMDGPU_CG_SUPPORT_UVD_MGCG))
return 0;
return 0; return 0;
} }