tree a33f49fd5c107c0dc9101217e48602cea3376b32
parent 54a56ac583ac66f3f4bc2c4cc3ef9b0676770742
author Michel Daenzer <michel@tungstengraphics.com> 1158863195 +1000
committer Dave Airlie <airlied@linux.ie> 1158867154 +1000

drm: Use register writes instead of BITBLT_MULTI packets for buffer swap blits

This takes up two more ring buffer entries per rectangle blitted but makes sure
the blit is performed top to bottom, reducing the likelyhood of tearing.

Signed-off-by: Dave Airlie <airlied@linux.ie>