From patchwork Tue Apr 26 23:51:04 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 734961 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3QNqumc025123 for ; Tue, 26 Apr 2011 23:53:17 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E79499EF3F for ; Tue, 26 Apr 2011 16:52:55 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy5-pub.bluehost.com (oproxy5-pub.bluehost.com [67.222.39.38]) by gabe.freedesktop.org (Postfix) with SMTP id 09F969ED24 for ; Tue, 26 Apr 2011 16:51:12 -0700 (PDT) Received: (qmail 9086 invoked by uid 0); 26 Apr 2011 23:51:12 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by cpoproxy2.bluehost.com with SMTP; 26 Apr 2011 23:51:12 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer:In-Reply-To:References:X-Identified-User; b=QZAAucutZd7ZuessYhUlfvAX4sA6f/SsPxo3XoNfh1iecgBlKcsHZbCfTYmgQ3Whti8bIdQs80HBFR18LcTzhqgz+97rtYGF2+suR+mZcutKLAzEpB7FncxYdA2WPAQF; Received: from c-67-161-37-189.hsd1.ca.comcast.net ([67.161.37.189] helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1QEs2A-0003LA-N4; Tue, 26 Apr 2011 17:51:10 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Tue, 26 Apr 2011 16:51:04 -0700 Message-Id: <1303861868-8805-3-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1303861868-8805-1-git-send-email-jbarnes@virtuousgeek.org> References: <1303861868-8805-1-git-send-email-jbarnes@virtuousgeek.org> X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 3/7] drm/i915: treat Ivy Bridge watermarks like Sandy Bridge 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]); Tue, 26 Apr 2011 23:53:17 +0000 (UTC) Not fully tested. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/intel_display.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 866abe5..908c4d9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7229,7 +7229,7 @@ void intel_enable_clock_gating(struct drm_device *dev) _3D_CHICKEN2_WM_READ_PIPELINED); } - if (IS_GEN6(dev)) { + if (IS_GEN6(dev) || IS_IVYBRIDGE(dev)) { I915_WRITE(WM3_LP_ILK, 0); I915_WRITE(WM2_LP_ILK, 0); I915_WRITE(WM1_LP_ILK, 0); @@ -7491,6 +7491,13 @@ static void intel_init_display(struct drm_device *dev) dev_priv->display.train_fdi = ivb_fdi_link_train; else dev_priv->display.train_fdi = ivb_manual_fdi_link_train; + if (SNB_READ_WM0_LATENCY()) { + dev_priv->display.update_wm = sandybridge_update_wm; + } else { + DRM_DEBUG_KMS("Failed to read display plane latency. " + "Disable CxSR\n"); + dev_priv->display.update_wm = NULL; + } } else dev_priv->display.update_wm = NULL; } else if (IS_PINEVIEW(dev)) {