1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv04_fb.c b/drivers/gpu/drm/nouveau/nv04_fb.c
new file mode 100644
index 000000000000..638cf601c427
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv04_fb.c
@@ -0,0 +1,21 @@
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_drm.h"
+
+int
+nv04_fb_init(struct drm_device *dev)
+{
+        /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
+         * nvidia reading PFB_CFG_0, then writing back its original value.
+         * (which was 0x701114 in this case)
+         */
+
+        nv_wr32(dev, NV04_PFB_CFG0, 0x1114);
+        return 0;
+}
+
+void
+nv04_fb_takedown(struct drm_device *dev)
+{
+}