From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Thu, 25 Oct 2012 19:15:47 +0000 (-0700)
Subject: drm/i915: PIPE_CONTROL TLB invalidate requires CS stall
X-Git-Tag: v3.8-rc1~82^2~192^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ac7831314eba873d60b58718123c503f6961337;p=pandora-kernel.git

drm/i915: PIPE_CONTROL TLB invalidate requires CS stall

"If ENABLED, PIPE_CONTROL command will flush the in flight data  written
out by render engine to Global Observation point on flush done. Also
Requires stall bit ([20] of DW1) set."

So set the stall bit to ensure proper invalidation.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Antti Koskipää <antti.koskipaa@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

Reading git-diff-tree failed