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authorChristian König <christian.koenig@amd.com>2021-06-11 14:34:50 +0200
committerSasha Levin <sashal@kernel.org>2021-07-07 08:22:58 -0400
commitcf5eb82097234b5c77107a58eccf0509c925fa8c (patch)
tree3eead066904a4210dc56e3eadb1739d23e1fc262
parent3edfd34f1338a6c5e105499287a93dec2a80284f (diff)
drm/nouveau: fix dma_address check for CPU/GPU sync
[ Upstream commit d330099115597bbc238d6758a4930e72b49ea9ba ] AGP for example doesn't have a dma_address array. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210614110517.1624-1-christian.koenig@amd.com Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index f8015e0318d7..f7603be569fc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -542,7 +542,7 @@ nouveau_bo_sync_for_device(struct nouveau_bo *nvbo)
struct ttm_dma_tt *ttm_dma = (struct ttm_dma_tt *)nvbo->bo.ttm;
int i;
- if (!ttm_dma)
+ if (!ttm_dma || !ttm_dma->dma_address)
return;
/* Don't waste time looping if the object is coherent */
@@ -562,7 +562,7 @@ nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
struct ttm_dma_tt *ttm_dma = (struct ttm_dma_tt *)nvbo->bo.ttm;
int i;
- if (!ttm_dma)
+ if (!ttm_dma || !ttm_dma->dma_address)
return;
/* Don't waste time looping if the object is coherent */