drm/radeon/kms: AGP systems need PCI bus mastering enabled
We might not hit this yet, but when if we do any sort of writeback
we really need to enable PCI bus mastering on these systems from
what I can see.
This enables PCI BM on all radeons that require it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 224506a2..9cb81a8 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1029,6 +1029,7 @@
extern int r100_cs_packet_parse(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx);
+extern void r100_enable_bm(struct radeon_device *rdev);
/* rv200,rv250,rv280 */
extern void r200_set_safe_registers(struct radeon_device *rdev);