e6b2931a3e54140e0
parent e2971bdab2b761683353da383c0fd5ac704d1cca
author Ben Widawsky <ben@bwidawsk.net> 1323746518 -0800
committer Keith Packard <keithp@keithp.com> 1325610584 -0800

drm/i915: Force sync command ordering (Gen6+)

The docs say this is required for Gen7, and since the bit was added for
Gen6, we are also setting it there pit pf paranoia. Particularly as
Chris points out, if PIPE_CONTROL counts as a 3d state packet.

This was found through doc inspection by Ken and applies to Gen6+;

Reported-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Keith Packard <keithp@keithp.com>