drm/nv50: fix iommu errors caused by device reading from address 0

[safe/jmp/linux-2.6] / drivers / gpu / drm / nouveau / nv04_instmem.c

diff --git a/drivers/gpu/drm/nouveau/nv04_instmem.c b/drivers/gpu/drm/nouveau/nv04_instmem.c
index a20c206..a3b9563 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv04_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv04_instmem.c
@@ -30,7 +30,7 @@ nv04_instmem_determine_amount(struct drm_device *dev)
                 * of vram.  For now, only reserve a small piece until we know
                 * more about what each chipset requires.
                 */
-               switch (dev_priv->chipset & 0xf0) {
+               switch (dev_priv->chipset) {
                case 0x40:
                case 0x47:
                case 0x49: