diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-11-23 18:09:22 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-12-06 18:08:23 -0500 |
| commit | 3c3a7e616c02cbf0ffcd5888ceffb24e7ac73ad6 (patch) | |
| tree | 59e8742878eef9b3a54379ae6429e17a500f07d4 /drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | |
| parent | 805b3ba87dfa7273567aed6e9c730e9b89b450d7 (diff) | |
drm/amdgpu: fix bug mclk can't change on Polaris
the root cause is we gate the clock to uvd vcpu.
mclk's change should need the response from uvd if
it is power on.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@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_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index c697a73b872b..ba0bbf7138dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -879,10 +879,13 @@ static void uvd_v6_0_enable_clock_gating(struct amdgpu_device *adev, bool enable UVD_CGC_GATE__UDEC_DB_MASK | UVD_CGC_GATE__UDEC_MP_MASK | UVD_CGC_GATE__WCB_MASK | - UVD_CGC_GATE__VCPU_MASK | UVD_CGC_GATE__JPEG_MASK | UVD_CGC_GATE__SCPU_MASK | UVD_CGC_GATE__JPEG2_MASK); + /* only in pg enabled, we can gate clock to vcpu*/ + if (adev->pg_flags & AMD_PG_SUPPORT_UVD) + data3 |= UVD_CGC_GATE__VCPU_MASK; + data3 &= ~UVD_CGC_GATE__REGS_MASK; } else { data3 = 0; |