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authorJames Zhu <James.Zhu@amd.com>2018-12-12 14:48:33 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-12-18 17:38:37 -0500
commite0d460a4d2d160afbfad4ac2b9acd17ccb3d110b (patch)
treeb3bb24faaa7fba5785274f0619a0aec7f8e0d42a /drivers/gpu
parent5d65cab6c614f95549b19416b2aad824c6d9283a (diff)
drm/amdgpu/vcn:Update ring point to JPEG before init JPEG wptr
It is a bug fix. Signed-off-by: James Zhu <James.Zhu@amd.com> Acked-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 775204315888..5df6ea9e87e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1088,7 +1088,8 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev)
WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,
~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
- /* initialize wptr */
+ /* initialize JPEG wptr */
+ ring = &adev->vcn.ring_jpeg;
ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
/* copy patch commands to the jpeg ring */