From: Frank Min Date: Tue, 2 May 2017 11:49:32 +0000 (+0800) Subject: drm/amdgpu: clean doorbell after sending init table to mmsch X-Git-Tag: v4.13-rc1~45^2~24^2~295 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b48622b088ec4292e59e661d84323d7c1e6374db;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: Xiangliang Yu Reviewed-by: Monk Liu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index e3cf8e4..aaa3662 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; } diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c index a7af08a..77f1b60 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; }