drm: radeon: Fix calculation of RB_RPTR_ADDR in non-AGP case.

The address needs to be a GART relative address, rather than a PCI
DMA address.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
David Miller 2009-02-12 02:15:44 -08:00 • committed by Dave Airlie
commit e8a894372b