Commit bbb10e63 authored Nov 01, 2017 by Ben Skeggs

drm/nouveau: fix handling of GART OOM on pre-NV50 chipsets



The correct thing to do on OOM is to return 0 and set mm_node to NULL,
otherwise TTM will assume some other kind of error, and not attempt to
evict other buffers to make space.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

parent 9551efcf

drivers/gpu/drm/nouveau/nouveau_ttm.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -243,6 +243,10 @@ nv04_gart_manager_new(struct ttm_mem_type_manager *man,
		ret = nvkm_vm_get(man->priv, reg->num_pages << 12, node->page_shift,
		NV_MEM_ACCESS_RW, &node->vma[0]);
		if (ret) {
		if (ret == -ENOSPC) {
		reg->mm_node = NULL;
		ret = 0;
		}
		kfree(node);
		return ret;
		}