From patchwork Thu Oct 25 19:15:43 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 1647191 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id E85F7DF2AB for ; Thu, 25 Oct 2012 19:19:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C58DBA0A99 for ; Thu, 25 Oct 2012 12:19:54 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy12-pub.bluehost.com (oproxy12-pub.bluehost.com [50.87.16.10]) by gabe.freedesktop.org (Postfix) with SMTP id 417E8A0A89 for ; Thu, 25 Oct 2012 12:15:51 -0700 (PDT) Received: (qmail 19986 invoked by uid 0); 25 Oct 2012 19:15:51 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by oproxy12.bluehost.com with SMTP; 25 Oct 2012 19:15:51 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuousgeek.org; s=default; h=References:In-Reply-To:Message-Id:Date:Subject:To:From; bh=lgGfhOsTreV/HnwDYoLR95GPHs0JUNSxUXjQL4g2uiM=; b=nMBp2ecDd30LZzJSOlFD8iYlaDJndZNoD0V3v6DWvrmp2jOHtdUSs4MuwbACGqkjut2gtcc5NMzaQ+VxUah/wkTRxbdkXAl5pokyGi7CMN/Af59AqBIWCRMr0ho1yOdK; Received: from [67.161.37.189] (port=50070 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1TRSuE-0000wA-OT for intel-gfx@lists.freedesktop.org; Thu, 25 Oct 2012 13:15:50 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Thu, 25 Oct 2012 12:15:43 -0700 Message-Id: <1351192548-2992-3-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1351192548-2992-1-git-send-email-jbarnes@virtuousgeek.org> References: <1351192548-2992-1-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 3/8] drm/i915: implement WaForceL3Serialization on VLV and IVB X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 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 References: https://bugs.freedesktop.org/show_bug.cgi?id=50250 Reviewed-by: Ben Widawsky Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a5ae0e7..d04e87f 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3653,6 +3653,10 @@ static void valleyview_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN7_ROW_CHICKEN2, _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE)); + /* WaForceL3Serialization */ + I915_WRITE(GEN7_L3SQCREG4, I915_READ(GEN7_L3SQCREG4) & + ~L3SQ_URB_READ_CAM_MATCH_DISABLE); + /* This is required by WaCatErrorRejectionIssue */ I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) |