redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
James Zhu 2018-12-12 14:48:33 -05:00 committed by Alex Deucher
parent 5d65cab6c6
commit e0d460a4d2
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
View File

@ -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 */