[PATCH] drm/ttm: fix logic inversion in ttm_eu_reserve_buffers

Christian König ckoenig.leichtzumerken at gmail.com
Mon Apr 11 13:45:37 UTC 2022


That should have been max, not min.

Signed-off-by: Christian König <christian.koenig at amd.com>
Fixes: 73511edf8b19 ("dma-buf: specify usage while adding fences to dma_resv obj v7")
---
 drivers/gpu/drm/ttm/ttm_execbuf_util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index 0eb995d25df1..dbee34a058df 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -101,7 +101,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 			continue;
 		}
 
-		num_fences = min(entry->num_shared, 1u);
+		num_fences = max(entry->num_shared, 1u);
 		if (!ret) {
 			ret = dma_resv_reserve_fences(bo->base.resv,
 						      num_fences);
-- 
2.25.1



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