diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 2b7720f412c1..7aa4286784ae 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1057,9 +1057,12 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *reg) struct nvkm_device *device = nvxx_device(&drm->client.device); struct nouveau_mem *mem = nouveau_mem(reg); struct nvif_mmu *mmu = &drm->client.mmu; - const u8 type = mmu->type[drm->ttm.type_vram].type; + u8 type = 0; int ret; + if (drm->ttm.type_vram >= 0) + type = mmu->type[drm->ttm.type_vram].type; + mutex_lock(&drm->ttm.io_reserve_mutex); retry: switch (reg->mem_type) { |