diff options
| author | Frank Min <Frank.Min@amd.com> | 2017-05-02 19:49:32 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-24 17:40:22 -0400 |
| commit | b48622b088ec4292e59e661d84323d7c1e6374db (patch) | |
| tree | 8f3d5470af0af9e5437ccee70062cbdaef9d368b /drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | |
| parent | 034b6867a4029bfdf5645949ded8443a3b96987a (diff) | |
drm/amdgpu: clean doorbell after sending init table to mmsch
According to HW design, need to clean doorbell after setup MMSCH
table.
Signed-off-by: Frank Min <Frank.Min@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vce_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c index a7af08a35342..77f1b60ab416 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c @@ -190,6 +190,7 @@ static int vce_v4_0_mmsch_start(struct amdgpu_device *adev, dev_err(adev->dev, "failed to init MMSCH, mmVCE_MMSCH_VF_MAILBOX_RESP = %x\n", data); return -EBUSY; } + WDOORBELL32(adev->vce.ring[0].doorbell_index, 0); return 0; } |