diff options
| author | Dennis Li <[email protected]> | 2020-08-19 09:23:03 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2020-08-24 16:22:56 +0000 |
| commit | 53b3f8f40e6cff36ae12b11e6d6b308af3c7e53f (patch) | |
| tree | 865f5a2a0f2d69a04dbceb1853672ceef77dcb53 /drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | |
| parent | drm/amd/display: Reject overlay plane configurations in multi-display scenarios (diff) | |
| download | kernel-53b3f8f40e6cff36ae12b11e6d6b308af3c7e53f.tar.gz kernel-53b3f8f40e6cff36ae12b11e6d6b308af3c7e53f.zip | |
drm/amdgpu: refine codes to avoid reentering GPU recovery
if other threads have holden the reset lock, recovery will
fail to try_lock. Therefore we introduce atomic hive->in_reset
and adev->in_gpu_reset, to avoid reentering GPU recovery.
v2:
drop "? true : false" in the definition of amdgpu_in_reset
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Dennis Li <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c index 475ff5df8c87..f27d83f2de78 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c @@ -250,7 +250,7 @@ static void xgpu_ai_mailbox_flr_work(struct work_struct *work) */ locked = mutex_trylock(&adev->lock_reset); if (locked) - adev->in_gpu_reset = true; + atomic_set(&adev->in_gpu_reset, 1); do { if (xgpu_ai_mailbox_peek_msg(adev) == IDH_FLR_NOTIFICATION_CMPL) @@ -262,7 +262,7 @@ static void xgpu_ai_mailbox_flr_work(struct work_struct *work) flr_done: if (locked) { - adev->in_gpu_reset = false; + atomic_set(&adev->in_gpu_reset, 0); mutex_unlock(&adev->lock_reset); } |