drm/i915: initialize fence registers to zero when loading GEM
authorGrégoire Henry <Gregoire.Henry@pps.jussieu.fr>
Tue, 23 Jun 2009 13:41:02 +0000 (15:41 +0200)
committerEric Anholt <eric@anholt.net>
Tue, 23 Jun 2009 16:22:11 +0000 (09:22 -0700)
Unitialized fence register could leads to corrupted display. Problem
encountered on MacBooks (revision 1 and 2), directly booting from EFI
or through BIOS emulation.

(bug #21710 at freedestop.org)

Signed-off-by: Grégoire Henry <henry@pps.jussieu.fr>
Signed-off-by: Eric Anholt <eric@anholt.net>

No differences found