From 5370102729c6ecb280712c40b92ff7b9f58c6e1e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 11 Jun 2021 14:34:50 +0200 Subject: [PATCH] drm/nouveau: check dma_address array for CPU/GPU sync MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit AGP for example doesn't have a dma_address array. Signed-off-by: Christian König --- 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 085023624fb0..1a52590f5303 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -551,7 +551,7 @@ 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); @@ -587,7 +587,7 @@ 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); -- 2.25.1