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drm/amdgpu: clean doorbell after sending init table to mmsch

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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>
This commit is contained in:
Frank Min 2017-05-02 19:49:32 +08:00 committed by Alex Deucher
parent 034b6867a4
commit b48622b088
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
View File

@ -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;
}

1
drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
View File

@ -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;
}