diff options
| author | Lewis Huang <[email protected]> | 2022-08-08 05:20:16 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-08-29 21:45:20 +0000 |
| commit | 6ebdaf20fc4dd98e7573dc2a926c81afc8ac7870 (patch) | |
| tree | 1fd55c9605440dc933a953bf7166822bec169979 /drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | |
| parent | drm/amd/display: Fix DCN32 DPSTREAMCLK_CNTL programming (diff) | |
| download | kernel-6ebdaf20fc4dd98e7573dc2a926c81afc8ac7870.tar.gz kernel-6ebdaf20fc4dd98e7573dc2a926c81afc8ac7870.zip | |
drm/amd/display: Refine aux transaction before retrieve caps
[Why]
LTTPR caps will read fail if aux channel is not active.
[How]
1.Perform 600 read upto 10 retry with 1ms delay in between.
2.If fail, return false and trigger another retry detection.
3.If pass, read LTTPR caps in retrieve link caps.
Reviewed-by: Jimmy Kizito <[email protected]>
Acked-by: Brian Chang <[email protected]>
Signed-off-by: Lewis Huang <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_job.c')
0 files changed, 0 insertions, 0 deletions