From: Christian König <christian.koe...@amd.com>
Not allowing errors here is completely pointless and actually dangerous
cause trying to continue on an error can cause an endless loop.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b5038c5..6683399 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1291,7 +1291,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
EXPORT_SYMBOL(ttm_bo_create);
static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
- unsigned mem_type, bool allow_errors)
+ unsigned mem_type)
{
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
struct ttm_bo_global *glob = bdev->glob;
@@ -1306,13 +1306,8 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device
*bdev,
while (!list_empty(&man->lru)) {
spin_unlock(&glob->lru_lock);
ret = ttm_mem_evict_first(bdev, mem_type, NULL, false, false);
- if (ret) {
- if (allow_errors) {
- return ret;
- } else {
- pr_err("Cleanup eviction failed\n");
- }
- }
+ if (ret)
+ return ret;
spin_lock(&glob->lru_lock);
}
spin_unlock(&glob->lru_lock);
@@ -1324,13 +1319,8 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device
*bdev,
if (fence) {
ret = fence_wait(fence, false);
fence_put(fence);
- if (ret) {
- if (allow_errors) {
- return ret;
- } else {
- pr_err("Cleanup eviction failed\n");
- }
- }
+ if (ret)
+ return ret;
}
return 0;
@@ -1359,7 +1349,11 @@ int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned
mem_type)
ret = 0;
if (mem_type > 0) {
- ttm_bo_force_list_clean(bdev, mem_type, false);
+ ret = ttm_bo_force_list_clean(bdev, mem_type);
+ if (ret) {
+ pr_err("Cleanup eviction failed\n");
+ return ret;
+ }
ret = (*man->func->takedown)(man);
}
@@ -1382,7 +1376,7 @@ int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned
mem_type)
return 0;
}
- return ttm_bo_force_list_clean(bdev, mem_type, true);
+ return ttm_bo_force_list_clean(bdev, mem_type);
}
EXPORT_SYMBOL(ttm_bo_evict_mm);
--
2.7.4
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