drm/ati_pcigart: fix the PCIGART to use drm_pci to allocate GART table.

This fixes a problem on 64-bit with 4GB with ATI RS690 chipsets. It
makes sure the pcigart table is allocated in coherent memory for DMA operations.

Signed-off-by: Dave Airlie <airlied@redhat.com>
4 files changed