Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933245Ab3CRV1r (ORCPT ); Mon, 18 Mar 2013 17:27:47 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:45938 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756336Ab3CRVIG (ORCPT ); Mon, 18 Mar 2013 17:08:06 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?ISO-8859-15?q?St=C3=A9phane=20Marchesin?= , Jesse Barnes , Daniel Vetter Subject: [ 36/48] drm/i915: Increase the RC6p threshold. Date: Mon, 18 Mar 2013 14:08:44 -0700 Message-Id: <20130318210812.797825940@linuxfoundation.org> X-Mailer: git-send-email 1.8.1.2.434.g9a6c84e.dirty In-Reply-To: <20130318210810.247845918@linuxfoundation.org> References: <20130318210810.247845918@linuxfoundation.org> User-Agent: quilt/0.60-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1429 Lines: 39 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stéphane Marchesin commit 0920a48719f1ceefc909387a64f97563848c7854 upstream. This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some reason this avoids the gen6_gt_check_fifodbg.isra warnings and associated GPU lockups, which makes my ivy bridge machine stable. Signed-off-by: Stéphane Marchesin Acked-by: Jesse Barnes Signed-off-by: Daniel Vetter Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/intel_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8364,7 +8364,7 @@ void gen6_enable_rps(struct drm_i915_pri I915_WRITE(GEN6_RC_SLEEP, 0); I915_WRITE(GEN6_RC1e_THRESHOLD, 1000); I915_WRITE(GEN6_RC6_THRESHOLD, 50000); - I915_WRITE(GEN6_RC6p_THRESHOLD, 100000); + I915_WRITE(GEN6_RC6p_THRESHOLD, 150000); I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */ rc6_mode = intel_enable_rc6(dev_priv->dev); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/