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: cfcc52e477e4 ("drm/ttm: fix busy memory to fail other user v10")
CC: Christian Koenig <Christian.Koenig@xxxxxxx>
Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index c7de667d482a..58c403eda04e 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,
--
2.17.1
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