summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nv04_fb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_fb.c21
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)
+{
+}