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path: root/drivers/gpu/drm/nouveau/nv04_mc.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_mc.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_mc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_mc.c b/drivers/gpu/drm/nouveau/nv04_mc.c
index 617ed1e05269..2af43a1cb2ec 100644
--- a/drivers/gpu/drm/nouveau/nv04_mc.c
+++ b/drivers/gpu/drm/nouveau/nv04_mc.c
@@ -11,6 +11,10 @@ nv04_mc_init(struct drm_device *dev)
*/
nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
+
+ /* Disable PROM access. */
+ nv_wr32(dev, NV_PBUS_PCI_NV_20, NV_PBUS_PCI_NV_20_ROM_SHADOW_ENABLED);
+
return 0;
}