From: Christian König <christian.koenig@xxxxxxx> [ Upstream commit d330099115597bbc238d6758a4930e72b49ea9ba ] AGP for example doesn't have a dma_address array. Signed-off-by: Christian König <christian.koenig@xxxxxxx> Acked-by: Alex Deucher <alexander.deucher@xxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20210614110517.1624-1-christian.koenig@xxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/nouveau/nouveau_bo.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index f2720a006199..0a47a2a5553d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -549,7 +549,7 @@ nouveau_bo_sync_for_device(struct nouveau_bo *nvbo) struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm; int i, j; - if (!ttm_dma) + if (!ttm_dma || !ttm_dma->dma_address) return; if (!ttm_dma->pages) { NV_DEBUG(drm, "ttm_dma 0x%p: pages NULL\n", ttm_dma); @@ -585,7 +585,7 @@ nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo) struct ttm_tt *ttm_dma = (struct ttm_tt *)nvbo->bo.ttm; int i, j; - if (!ttm_dma) + if (!ttm_dma || !ttm_dma->dma_address) return; if (!ttm_dma->pages) { NV_DEBUG(drm, "ttm_dma 0x%p: pages NULL\n", ttm_dma); -- 2.30.2
