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>

diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
index 52ac7a8..d3ce608 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
@@ -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;

diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index e99af81..797d12c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -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;