From patchwork Fri Aug 28 07:41:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhiyuan Lv X-Patchwork-Id: 7090261 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id F11A1BEEC1 for ; Fri, 28 Aug 2015 07:48:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 22298207F2 for ; Fri, 28 Aug 2015 07:48:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 3BFC1207DE for ; Fri, 28 Aug 2015 07:48:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A05576E8A2; Fri, 28 Aug 2015 00:48:45 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id A5F5B6E8A2 for ; Fri, 28 Aug 2015 00:48:42 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 28 Aug 2015 00:48:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,424,1437462000"; d="scan'208";a="792655996" Received: from zlv-hp-dev.bj.intel.com ([10.238.158.60]) by fmsmga002.fm.intel.com with ESMTP; 28 Aug 2015 00:48:41 -0700 From: Zhiyuan Lv To: intel-gfx@lists.freedesktop.org Date: Fri, 28 Aug 2015 15:41:15 +0800 Message-Id: <1440747679-20716-3-git-send-email-zhiyuan.lv@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440747679-20716-1-git-send-email-zhiyuan.lv@intel.com> References: <1440747679-20716-1-git-send-email-zhiyuan.lv@intel.com> Cc: igvt-g@lists.01.org Subject: [Intel-gfx] [PATCH v2 2/6] drm/i915: Enable full ppgtt for vgpu on Broadwell X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 The full ppgtt is supported now in Intel GVT-g device model. Broadwell is allowed to use it in virtual machines. v2: - Keep backward compatibility on HSW with old device model (daniel) Signed-off-by: Zhiyuan Lv Signed-off-by: Zhi Wang Reviewed-by: Joonas Lahtinen Reviewed-by: Joonas Lahtinen (v1) --- drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index ed10e77..56cc8e8 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -108,8 +108,8 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) has_aliasing_ppgtt = INTEL_INFO(dev)->gen >= 6; has_full_ppgtt = INTEL_INFO(dev)->gen >= 7; - if (intel_vgpu_active(dev)) - has_full_ppgtt = false; /* emulation is too hard */ + if (intel_vgpu_active(dev) && (IS_HASWELL(dev))) + has_full_ppgtt = false; /* * We don't allow disabling PPGTT for gen9+ as it's a requirement for