[PATCH] drm/ttm: use reservation_object_trylock in ttm_bo_individualize_resv
Christian König
deathsimple at vodafone.de
Fri Aug 18 07:52:56 UTC 2017
From: Christian König <christian.koenig at amd.com>
Fixes a false positive from might_sleep(). The reservation object is freshly
initialized, so nobody else can hold the mutex but the function is
called from atomic context.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
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 58e7fce..573ce1e 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -403,7 +403,7 @@ static int ttm_bo_individualize_resv(struct ttm_buffer_object *bo)
return 0;
reservation_object_init(&bo->ttm_resv);
- BUG_ON(reservation_object_lock(&bo->ttm_resv, NULL));
+ BUG_ON(reservation_object_trylock(&bo->ttm_resv));
r = reservation_object_copy_fences(&bo->ttm_resv, bo->resv);
if (r) {
--
2.7.4
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