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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2019-06-26 09:32:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-27 19:19:36 +0300 |
| commit | f6319596535f157ce95504b193e0bfc3da7119e6 (patch) | |
| tree | 6867f99a9921823bae3b36a58a658b8ac1e84510 /drivers | |
| parent | 687ac4a702ea92873fb8c45acec0c30eae9acfa9 (diff) | |
| download | linux-f6319596535f157ce95504b193e0bfc3da7119e6.tar.xz | |
drm/ttm: return -EBUSY if waiting for busy BO fails
Returning -EAGAIN prevents ttm_bo_mem_space from trying alternate
placements and can lead to live-locks in amdgpu_cs, retrying
indefinitely and never succeeding.
Fixes: d367bd2a5e2b12 ("drm/ttm: fix busy memory to fail other user v10")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 6953dd264172..a7fd5a4955c9 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -827,7 +827,7 @@ static int ttm_mem_evict_wait_busy(struct ttm_buffer_object *busy_bo, if (!r) reservation_object_unlock(busy_bo->resv); - return r == -EDEADLK ? -EAGAIN : r; + return r == -EDEADLK ? -EBUSY : r; } static int ttm_mem_evict_first(struct ttm_bo_device *bdev, |