drm: add initial r300 3D support.

This adds initial r300 3D support to the radeon DRM.

From: Nicolai Haehnle, Vladimir Dergachev, and others.
Signed-off-by: David Airlie <airlied@linux.ie>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c
index 1f79e249146c..d57accdd8df5 100644
--- a/drivers/char/drm/radeon_state.c
+++ b/drivers/char/drm/radeon_state.c
@@ -2797,6 +2797,17 @@ static int radeon_cp_cmdbuf( DRM_IOCTL_ARGS )
 
         orig_nbox = cmdbuf.nbox;
 
+        if(dev_priv->microcode_version == UCODE_R300) {
+                int temp;
+                temp=r300_do_cp_cmdbuf(dev, filp, filp_priv, &cmdbuf);
+        
+                if (orig_bufsz != 0)
+                        drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
+        
+                return temp;
+        }
+
+        /* microcode_version != r300 */
         while ( cmdbuf.bufsz >= sizeof(header) ) {
 
                 header.i = *(int *)cmdbuf.buf;