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Commit b48622b0 authored by Frank Min's avatar Frank Min Committed by Alex Deucher
Browse files

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: default avatarFrank Min <Frank.Min@amd.com>
Signed-off-by: default avatarXiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: default avatarMonk Liu <Monk.Liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 034b6867

drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/amd/amdgpu/vce_v4_0.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

}