From patchwork Thu Aug 4 03:23:54 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Packard X-Patchwork-Id: 1033782 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p743OYrJ012332 for ; Thu, 4 Aug 2011 03:24:55 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E7DF59E96C for ; Wed, 3 Aug 2011 20:24:33 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 2BAEB9E773 for ; Wed, 3 Aug 2011 20:24:13 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by keithp.com (Postfix) with ESMTP id D38DBC74010; Wed, 3 Aug 2011 20:24:12 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at keithp.com Received: from keithp.com ([127.0.0.1]) by localhost (keithp.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id F-7CUKJWvA+W; Wed, 3 Aug 2011 20:24:09 -0700 (PDT) Received: by keithp.com (Postfix, from userid 1033) id DBA78C7400C; Wed, 3 Aug 2011 20:24:09 -0700 (PDT) Received: from koto.keithp.com (localhost [127.0.0.1]) by keithp.com (Postfix) with ESMTP id D9E6FB98019; Wed, 3 Aug 2011 20:24:09 -0700 (PDT) Received: by koto.keithp.com (Postfix, from userid 1488) id 7031B6424C6; Wed, 3 Aug 2011 20:24:09 -0700 (PDT) From: Keith Packard To: intel-gfx@lists.freedesktop.org Date: Wed, 3 Aug 2011 20:23:54 -0700 Message-Id: <1312428234-8526-1-git-send-email-keithp@keithp.com> X-Mailer: git-send-email 1.7.5.4 Cc: Pekka Enberg , Gu Rui , Francesco Allertsen Subject: [Intel-gfx] [PATCH] drm/i915: Try enabling RC6 by default (again) X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 04 Aug 2011 03:24:55 +0000 (UTC) Jesse Barnes and I found a couple of issues where incorrect mode setting would cause problems with RC6 enabled. We're hopeful that fixing those will resolve the outstanding issues with a few machines that had trouble before 3.0 with rc6. Cc: Pekka Enberg Cc: Francesco Allertsen Cc: Ted Phelps Cc: Gu Rui Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38567 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=38332 Signed-off-by: Keith Packard --- drivers/gpu/drm/i915/i915_drv.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ce045a8..60e4b9e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -62,7 +62,7 @@ module_param_named(semaphores, i915_semaphores, int, 0600); MODULE_PARM_DESC(semaphores, "Use semaphores for inter-ring sync (default: false)"); -unsigned int i915_enable_rc6 __read_mostly = 0; +unsigned int i915_enable_rc6 __read_mostly = 1; module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); MODULE_PARM_DESC(i915_enable_rc6, "Enable power-saving render C-state 6 (default: true)");