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| author | Philip Yang <[email protected]> | 2021-04-18 02:37:21 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-04-29 03:36:05 +0000 |
| commit | 11dd55d1743881c7c8f62171066292fc034e1c3c (patch) | |
| tree | 0e617d7a70aec81e4d278cb76df6a92722fea039 /drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | |
| parent | drm/amdkfd: retry validation to recover range (diff) | |
| download | kernel-11dd55d1743881c7c8f62171066292fc034e1c3c.tar.gz kernel-11dd55d1743881c7c8f62171066292fc034e1c3c.zip | |
drm/amdgpu: return IH ring drain finished if ring is empty
Sometimes IH do not setup ring wptr overflow flag after wptr exceed
rptr. As a workaround, if IH rptr equals to wptr, ring is empty,
return true to indicate IH ring checkpoint is processed, IH ring drain
is finished.
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c')
0 files changed, 0 insertions, 0 deletions