diff options
| author | Bokun Zhang <Bokun.Zhang@amd.com> | 2020-11-10 15:15:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-13 00:13:51 -0500 |
| commit | 3617e579eba427ed1f6b86050fe678623184db74 (patch) | |
| tree | 28d4a2a83029cc72f7591f571403c1c7ab8be457 /drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | |
| parent | 6bfbfe8c4591c53bf8435af1a0f45b575ba5f53e (diff) | |
| download | linux-3617e579eba427ed1f6b86050fe678623184db74.tar.bz2 | |
drm/amd/amdgpu: Update VCN initizalization behvaior
- Issue:
In the original vcn3.0 code, it assumes that the VCN's
init_status is always 1, even after the MMSCH
updates the header.
This is incorrect since by default, it should be set to 0,
and MMSCH will update it to 1 if VCN is ready.
- Fix:
We need to read back the table header after send it to MMSCH.
After that, if a VCN instance is not ready (host disabled it),
we needs to disable the ring buffer as well.
Signed-off-by: Bokun Zhang <Bokun.Zhang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
0 files changed, 0 insertions, 0 deletions