[PATCH] fix radeon_cp_init_ring_buffer()

I've seen similar failure on alpha.

Obviously, someone forgot to convert sg->handle stuff for
PCI gart case.

Signed-off-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 6d9080a3ca7e97fefb3302959bb445ce3dc0aac0..12ef13ff04ca1a8b71a72871dbbf22b585f3af6c 100644 (file)
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1133,10 +1133,10 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
                ring_start = (dev_priv->cp_ring->offset
                              - dev->agp->base
                              + dev_priv->gart_vm_start);
-       } else
+       } else
 #endif
                ring_start = (dev_priv->cp_ring->offset
-                             - dev->sg->handle
+                             - (unsigned long)dev->sg->virtual
                              + dev_priv->gart_vm_start);
 
        RADEON_WRITE( RADEON_CP_RB_BASE, ring_start );
@@ -1164,7 +1164,8 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
                drm_sg_mem_t *entry = dev->sg;
                unsigned long tmp_ofs, page_ofs;
 
-               tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
+               tmp_ofs = dev_priv->ring_rptr->offset -
+                               (unsigned long)dev->sg->virtual;
                page_ofs = tmp_ofs >> PAGE_SHIFT;
 
                RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
@@ -1491,8 +1492,8 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
        else
 #endif
                dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
-                                               - dev->sg->handle
-                                               + dev_priv->gart_vm_start);
+                                       - (unsigned long)dev->sg->virtual
+                                       + dev_priv->gart_vm_start);
 
        DRM_DEBUG( "dev_priv->gart_size %d\n",
                   dev_priv->gart_size );