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authorDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-11 02:44:30 -0700
commit4a1032faac94ebbf647460ae3e06fc21146eb280 (patch)
tree7f31b97beb0406faa1523e619289ad0ab07c9787 /drivers/gpu/drm/nouveau/nv50_fb.c
parentae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff)
parent0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fb.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
new file mode 100644
index 000000000000..a95e6941ba88
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_fb.c
@@ -0,0 +1,32 @@
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_drm.h"
+
+int
+nv50_fb_init(struct drm_device *dev)
+{
+ /* This is needed to get meaningful information from 100c90
+ * on traps. No idea what these values mean exactly. */
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ switch (dev_priv->chipset) {
+ case 0x50:
+ nv_wr32(dev, 0x100c90, 0x0707ff);
+ break;
+ case 0xa5:
+ case 0xa8:
+ nv_wr32(dev, 0x100c90, 0x0d0fff);
+ break;
+ default:
+ nv_wr32(dev, 0x100c90, 0x1d07ff);
+ break;
+ }
+
+ return 0;
+}
+
+void
+nv50_fb_takedown(struct drm_device *dev)
+{
+}