drm/nouveau/ttm: allow tiled memtype on system memory buffer objects

Compression not supported, and will be silently dropped. Original G80 can't handle this either and requires LINEAR memtype, though it's still possible to correctly texture and m2mf to/from these objects anyway. Signed-off-by: Ben Skeggs <[email protected]>
o11s · Apr 26, 2013 · de7b7d5 · de7b7d5
1 parent 7092a8d
commit de7b7d5
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -164,6 +164,8 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
 			 struct ttm_placement *placement,
 			 struct ttm_mem_reg *mem)
 {
+	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
+	struct nouveau_bo *nvbo = nouveau_bo(bo);
 	struct nouveau_mem *node;
 
 	if (unlikely((mem->num_pages << PAGE_SHIFT) >= 512 * 1024 * 1024))
@@ -174,6 +176,20 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
 		return -ENOMEM;
 	node->page_shift = 12;
 
+	switch (nv_device(drm->device)->card_type) {
+	case NV_50:
+		if (nv_device(drm->device)->chipset != 0x50)
+			node->memtype = (nvbo->tile_flags & 0x7f00) >> 8;
+		break;
+	case NV_C0:
+	case NV_D0:
+	case NV_E0:
+		node->memtype = (nvbo->tile_flags & 0xff00) >> 8;
+		break;
+	default:
+		break;
+	}
+
 	mem->mm_node = node;
 	mem->start   = 0;
 	return 0;