drm/amdgpu/mmhub_v1: bypass clockgating setting
authorXiangliang Yu <Xiangliang.Yu@amd.com>
Fri, 14 Apr 2017 09:40:57 +0000 (17:40 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 28 Apr 2017 21:32:42 +0000 (17:32 -0400)
For SRIOV doesn't need CG, so bypass it.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

index 62684510ddcdb579629ab707b2f098cc788810f1..dbfe48d1207ab6a492314c94f0fab079bf6447b6 100644 (file)
@@ -511,6 +511,9 @@ static int mmhub_v1_0_set_clockgating_state(void *handle,
 {
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+       if (amdgpu_sriov_vf(adev))
+               return 0;
+
        switch (adev->asic_type) {
        case CHIP_VEGA10:
                mmhub_v1_0_update_medium_grain_clock_gating(adev,