1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index f24a27c4dd17..6d9080a3ca7e 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -32,6 +32,7 @@
 #include "drm.h"
 #include "radeon_drm.h"
 #include "radeon_drv.h"
+#include "r300_reg.h"
 
 #define RADEON_FIFO_DEBUG       0
 
@@ -1151,6 +1152,8 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
 
 #if __OS_HAS_AGP
         if ( !dev_priv->is_pci ) {
+                /* set RADEON_AGP_BASE here instead of relying on X from user space */
+                RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base);
                 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
                               dev_priv->ring_rptr->offset
                               - dev->agp->base
@@ -1626,6 +1629,9 @@ int radeon_cp_init( DRM_IOCTL_ARGS )
 
         DRM_COPY_FROM_USER_IOCTL( init, (drm_radeon_init_t __user *)data, sizeof(init) );
 
+        if(init.func == RADEON_INIT_R300_CP)
+                r300_init_reg_flags();
+
         switch ( init.func ) {
         case RADEON_INIT_CP:
         case RADEON_INIT_R200_CP:
@@ -2040,12 +2046,19 @@ int radeon_driver_preinit(struct drm_device *dev, unsigned long flags)
         case CHIP_RV200:
         case CHIP_R200:
         case CHIP_R300:
+        case CHIP_R420:
                 dev_priv->flags |= CHIP_HAS_HIERZ;
                 break;
         default:
         /* all other chips have no hierarchical z buffer */
                 break;
         }
+
+        if (drm_device_is_agp(dev))
+                dev_priv->flags |= CHIP_IS_AGP;
+        
+        DRM_DEBUG("%s card detected\n",
+                  ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : "PCI"));
         return ret;
 }