From patchwork Fri Jun 13 16:16:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 4350831 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 274069F314 for ; Fri, 13 Jun 2014 16:16:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0248A2022A for ; Fri, 13 Jun 2014 16:16:39 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id DE73120211 for ; Fri, 13 Jun 2014 16:16:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0823A6EABF; Fri, 13 Jun 2014 09:16:36 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from gproxy8-pub.mail.unifiedlayer.com (gproxy8-pub.mail.unifiedlayer.com [67.222.33.93]) by gabe.freedesktop.org (Postfix) with SMTP id EF47F6EABF for ; Fri, 13 Jun 2014 09:16:34 -0700 (PDT) Received: (qmail 26767 invoked by uid 0); 13 Jun 2014 16:16:34 -0000 Received: from unknown (HELO CMOut01) (10.0.90.82) by gproxy8.mail.unifiedlayer.com with SMTP; 13 Jun 2014 16:16:34 -0000 Received: from box514.bluehost.com ([74.220.219.114]) by CMOut01 with id DsGX1o00h2UhLwi01sGai0; Fri, 13 Jun 2014 10:16:34 -0600 X-Authority-Analysis: v=2.1 cv=d4pml3TE c=1 sm=1 tr=0 a=9W6Fsu4pMcyimqnCr1W0/w==:117 a=9W6Fsu4pMcyimqnCr1W0/w==:17 a=cNaOj0WVAAAA:8 a=f5113yIGAAAA:8 a=tWSkb9OF3cgA:10 a=3ROhxo7VqVMA:10 a=TBVoxVdAAAAA:8 a=QyXUC8HyAAAA:8 a=GhZ5P8ky69gA:10 a=noBwr2J6l1kA:10 a=e5mUnYsNAAAA:8 a=4qkOjymPdG9JvUPdArAA:9 a=rW6DTWptwo0A:10 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=XgTyMG9/uzRJmWxYs1LNhiJnVn43OMjxBULEuZtBkIE=; b=SDVQQ+jyGCsLJD2JEFzAb57mJkuLkv92qXvAiDmIMzIZYxXXf4AFtMdATom8YOx3kebKdWT676tpVaQDuiJI1VagrPSxzxgscY9AF2vVG7i4R/MK6ZnywPqedQ4+pLYv; Received: from [67.161.37.189] (port=56699 helo=jbarnes-desktop.intel.com) by box514.bluehost.com with esmtpsa (TLSv1.1:DHE-RSA-AES256-SHA:256) (Exim 4.82) (envelope-from ) id 1WvU9X-0004vJ-J5 for intel-gfx@lists.freedesktop.org; Fri, 13 Jun 2014 10:16:31 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Fri, 13 Jun 2014 09:16:44 -0700 Message-Id: <1402676204-22111-1-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1402673558-15618-1-git-send-email-jbarnes@virtuousgeek.org> References: <1402673558-15618-1-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] drm/i915/vlv: disable PPGTT on early revs v2 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_BL_SPAMCOP_NET, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Early revs didn't have PPGTT support, so disable there. v2: add debug msg when disabling on early stepping References: https://bugs.freedesktop.org/show_bug.cgi?id=79669 References: https://bugs.freedesktop.org/show_bug.cgi?id=79670 Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_gem_gtt.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 8b3cde7..0f51f83 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -63,6 +63,12 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) } #endif + /* Early VLV doesn't have this */ + if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xc) { + DRM_DEBUG_DRIVER("disabling PPGTT on pre-rev c VLV\n"); + return 0; + } + return HAS_ALIASING_PPGTT(dev) ? 1 : 0; }