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| author | Christian König <[email protected]> | 2022-11-02 13:55:13 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-11-09 22:58:17 +0000 |
| commit | 77c092e054262b594614bad5e5f47e57c5d29639 (patch) | |
| tree | 16371094df3c5af8285e0fcf3f67f5b8232d47d7 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | drm/amdkfd: Fix error handling in criu_checkpoint (diff) | |
| download | kernel-77c092e054262b594614bad5e5f47e57c5d29639.tar.gz kernel-77c092e054262b594614bad5e5f47e57c5d29639.zip | |
drm/amdgpu: workaround for TLB seq race
It can happen that we query the sequence value before the callback
had a chance to run.
Workaround that by grabbing the fence lock and releasing it again.
Should be replaced by hw handling soon.
Signed-off-by: Christian König <[email protected]>
CC: [email protected] # 5.19+
Fixes: 5255e146c99a6 ("drm/amdgpu: rework TLB flushing")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2113
Acked-by: Alex Deucher <[email protected]>
Acked-by: Philip Yang <[email protected]>
Tested-by: Stefan Springer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
0 files changed, 0 insertions, 0 deletions