From patchwork Wed Aug 11 09:31:34 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 118779 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o7B9YPsY028921 for ; Wed, 11 Aug 2010 09:35:00 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BCA4A9F36C for ; Wed, 11 Aug 2010 02:34:25 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (server109-228-4-14.live-servers.net [109.228.4.14]) by gabe.freedesktop.org (Postfix) with ESMTP id 7FFB79F00F for ; Wed, 11 Aug 2010 02:32:32 -0700 (PDT) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.66.37; Received: from arrandale.alporthouse.com (unverified [78.156.66.37]) by fireflyinternet.com (Firefly Internet SMTP) with ESMTP id 2853363-1500048 for multiple; Wed, 11 Aug 2010 10:34:08 +0100 From: Chris Wilson To: jbarnes@virtuousgeek.org Date: Wed, 11 Aug 2010 10:31:34 +0100 Message-Id: <1281519096-5152-10-git-send-email-chris@chris-wilson.co.uk> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1281519096-5152-1-git-send-email-chris@chris-wilson.co.uk> References: <1281519096-5152-1-git-send-email-chris@chris-wilson.co.uk> X-Originating-IP: 78.156.66.37 Cc: intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH 09/11] drm/i915/crt: Flush register prior to waiting for vblank. 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-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 11 Aug 2010 09:35:01 +0000 (UTC) diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 236a63d..4846c51 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -328,6 +328,7 @@ intel_crt_load_detect(struct drm_crtc *crtc, struct intel_encoder *intel_encoder if (IS_I9XX(dev)) { uint32_t pipeconf = I915_READ(pipeconf_reg); I915_WRITE(pipeconf_reg, pipeconf | PIPECONF_FORCE_BORDER); + POSTING_READ(pipeconf_reg); /* Wait for next Vblank to substitue * border color for Color info */ intel_wait_for_vblank(dev);