Reviewed-by: Monk Liu <monk.liu at amd.com> -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Xiangliang Yu Sent: Thursday, May 04, 2017 2:38 PM To: amd-gfx at lists.freedesktop.org Cc: Yu, Xiangliang <Xiangliang.Yu at amd.com>; Min, Frank <Frank.Min at amd.com> Subject: [PATCH 6/6] drm/amdgpu: clean doorbell after sending init table to mmsch From: Frank Min <Frank.Min@xxxxxxx> According to HW design, need to clean doorbell after setup MMSCH table. Signed-off-by: Frank Min <Frank.Min at amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com> --- drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 1 + drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index 6e9359d..8af2921 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c @@ -696,6 +696,7 @@ 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 661f883..9f73cc1 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; } -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
