From: Ben Widawsky <ben@bwidawsk.net>
Date: Tue, 13 Dec 2011 03:21:58 +0000 (-0800)
Subject: drm/i915: Force sync command ordering (Gen6+)
X-Git-Tag: v3.2.17~59
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=487020e781b754a33510169f05d08f07ca83979f;p=pandora-kernel.git

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

commit 84f9f938be4156e4baea466688bd6abae1c9e6ba upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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