From: Chris Wilson Subject: Re: [PATCH 3.0-rc3] i915: Fix gen6 (SNB) GPU stalling Date: Tue, 14 Jun 2011 18:23:16 +0100 Message-ID: References: <1308070307-2630-1-git-send-email-daniel.blueman@gmail.com> Return-path: In-Reply-To: <1308070307-2630-1-git-send-email-daniel.blueman@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Eric Anholt Cc: Keith Packard , Dave Airlie , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Daniel J Blueman List-Id: intel-gfx@lists.freedesktop.org On Wed, 15 Jun 2011 00:51:47 +0800, Daniel J Blueman wrote: > True; that is quite heavy handed delay looping. > > It's a pity the usual Intel font didn't make it to the programmer's > reference manuals. Anyway, unmasking the blitter user interrupt in the hardware > status mask register addresses the root cause. Out of reset it's FFFFFFFFh, > so we don't need to read it here. > > It would be good to get this into -rc4. -stable probably needs some additional > tweaks. > > Signed-off-by: Daniel J Blueman Tested-by: Chris Wilson Should apply as is and be equally effective for stable. -Chris -- Chris Wilson, Intel Open Source Technology Centre