diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_sgdma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_sgdma.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index 05e542254e1f..21fb92770ea2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -33,6 +33,9 @@ nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_re struct nouveau_mem *mem = nouveau_mem(reg); int ret; + if (nvbe->mem) + return 0; + ret = nouveau_mem_host(reg, &nvbe->ttm); if (ret) return ret; @@ -53,7 +56,10 @@ void nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm) { struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm; - nouveau_mem_fini(nvbe->mem); + if (nvbe->mem) { + nouveau_mem_fini(nvbe->mem); + nvbe->mem = NULL; + } } struct ttm_tt * |