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/uvd_v7_0.c | |
parent | drm/amdgpu/virt: change AI ack-irq message to debug level (diff) | |
download | linux-dev-b48622b088ec4292e59e661d84323d7c1e6374db.tar.xz linux-dev-b48622b088ec4292e59e661d84323d7c1e6374db.zip |
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/uvd_v7_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index e3cf8e49d336..aaa3662ca63a 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c @@ -702,6 +702,7 @@ static int uvd_v7_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->uvd.ring_enc[0].doorbell_index, 0); return 0; } |