tree 407abe86ecdda635a5b60ac8826472316343c5dd
parent db099c8f963fe656108e0a068274c5580a17f69b
author Kenneth Graunke <kenneth@whitecape.org> 1328734432 -0800
committer Jesse Barnes <jbarnes@virtuousgeek.org> 1328912357 -0800

drm/i915: gen7: Disable the RHWO optimization as it can cause GPU hangs.

The BSpec Workarounds page states that bits 10 and 26 must be set to
avoid 3D ring hangs.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41353
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44610
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>