On Tue, Oct 25, 2005 at 09:28:02AM -0700, Badari Pulavarty wrote:
> On my EM64T machine, X gets killed every time due to
> following GFP. Happens on mainline & -mm kernels.
> Hasn't annoyed me enough to take a look on why ?
I've seen similar failure on alpha.
Obviously, someone forgot to convert sg->handle stuff for
PCI gart case.
Ivan.
--- 2.6.14-rc5/drivers/char/drm/radeon_cp.c Fri Sep 23 23:39:48 2005
+++ linux/drivers/char/drm/radeon_cp.c Sat Sep 24 02:59:22 2005
@@ -1136,7 +1136,7 @@ static void radeon_cp_init_ring_buffer(
} 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_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
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 );
-
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