drm/nouveau: Use WC memory on the AGP GART.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index f4ee43db00aaf2db1a08e0b023ffb98e839de54e..f6f51b4259e7ebecbcd43080aff025678833a931 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -424,8 +424,9 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
                switch (dev_priv->gart_info.type) {
                case NOUVEAU_GART_AGP:
                        man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
-                       man->available_caching = TTM_PL_FLAG_UNCACHED;
-                       man->default_caching = TTM_PL_FLAG_UNCACHED;
+                       man->available_caching = TTM_PL_FLAG_UNCACHED |
+                               TTM_PL_FLAG_WC;
+                       man->default_caching = TTM_PL_FLAG_WC;
                        break;
                case NOUVEAU_GART_SGDMA:
                        man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |