Commit d3300991 authored by Christian König's avatar Christian König
Browse files

drm/nouveau: fix dma_address check for CPU/GPU sync 



AGP for example doesn't have a dma_address array.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210614110517.1624-1-christian.koenig@amd.com
parent 6fd8f323

drivers/gpu/drm/nouveau/nouveau_bo.c

+2 −2
Original line number Diff line number Diff line
@@ -546,7 +546,7 @@ 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);
@@ -582,7 +582,7 @@ 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);