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>

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 9cb5287..c982524 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -830,6 +830,9 @@ static int uvd_v4_2_set_clockgating_state(void *handle,
        bool gate = false;
        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)
                gate = true;
 

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index b4623de..aad1ab5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -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,
                                          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;
 }