diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2017-02-08 17:17:55 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-02-13 12:43:04 -0500 |
| commit | 254cd2e08dd0c44f9de6424f10390343a34b4f5a (patch) | |
| tree | aba1e2a28c4bc6070652943576b974da209f0e54 /drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | |
| parent | d50e5c24480f8a6e2918ecd998e65f990f88b0ee (diff) | |
drm/amdgpu: read hw register to check pg status.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index 46e715193924..ad8c02e423d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -825,12 +825,10 @@ static int uvd_v5_0_set_powergating_state(void *handle, if (state == AMD_PG_STATE_GATE) { uvd_v5_0_stop(adev); - adev->uvd.is_powergated = true; } else { ret = uvd_v5_0_start(adev); if (ret) goto out; - adev->uvd.is_powergated = false; } out: @@ -844,7 +842,8 @@ static void uvd_v5_0_get_clockgating_state(void *handle, u32 *flags) mutex_lock(&adev->pm.mutex); - if (adev->uvd.is_powergated) { + if (RREG32_SMC(ixCURRENT_PG_STATUS) & + CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { DRM_INFO("Cannot get clockgating state when UVD is powergated.\n"); goto out; } |