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-rw-r--r--drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vce_v4_0.c6
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index 987b958368ac..e2b17cbb2e79 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -685,6 +685,11 @@ static int uvd_v7_0_mmsch_start(struct amdgpu_device *adev,
/* 4, set resp to zero */
WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP, 0);
+ WDOORBELL32(adev->uvd.ring_enc[0].doorbell_index, 0);
+ adev->wb.wb[adev->uvd.ring_enc[0].wptr_offs] = 0;
+ adev->uvd.ring_enc[0].wptr = 0;
+ adev->uvd.ring_enc[0].wptr_old = 0;
+
/* 5, kick off the initialization and wait until VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero */
WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_HOST, 0x10000001);
@@ -702,7 +707,6 @@ 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;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
index 1ecd6bb90c1f..9b1de6be3923 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -173,6 +173,11 @@ static int vce_v4_0_mmsch_start(struct amdgpu_device *adev,
/* 4, set resp to zero */
WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP), 0);
+ WDOORBELL32(adev->vce.ring[0].doorbell_index, 0);
+ adev->wb.wb[adev->vce.ring[0].wptr_offs] = 0;
+ adev->vce.ring[0].wptr = 0;
+ adev->vce.ring[0].wptr_old = 0;
+
/* 5, kick off the initialization and wait until VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero */
WREG32(SOC15_REG_OFFSET(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_HOST), 0x10000001);
@@ -190,7 +195,6 @@ 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;
}