From patchwork Mon Mar 31 14:23:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 3915031 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 3F4C59F2B6 for ; Mon, 31 Mar 2014 14:23:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 65612203AB for ; Mon, 31 Mar 2014 14:23:19 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 42AC12039E for ; Mon, 31 Mar 2014 14:23:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E08016E2D0; Mon, 31 Mar 2014 07:23:17 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-wi0-f180.google.com (mail-wi0-f180.google.com [209.85.212.180]) by gabe.freedesktop.org (Postfix) with ESMTP id 629F86E2D0 for ; Mon, 31 Mar 2014 07:23:15 -0700 (PDT) Received: by mail-wi0-f180.google.com with SMTP id q5so3415672wiv.1 for ; Mon, 31 Mar 2014 07:23:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=q7b6ulR93Ama3vxze/TrsHGhm+XlnhIAj/vC7TW39aY=; b=fP8Le4aNa3/Pl8FExw/BVwA5yh4hrK4t7zST2IFqZNtJcouywJG2nn2vRFxzgmboDb uzz36N1fDDG4Oq+sOedl/Lh5Uq6kSofIK6uFFXJ0sMYL5ILAZARN7jwtaQ55pxhJKDn4 nP2RBk+orPHBprbGF64nT5yd0Ime7LEXL7WIM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=q7b6ulR93Ama3vxze/TrsHGhm+XlnhIAj/vC7TW39aY=; b=iW3OWxyPgY+6zuNjKJPyrlsZ81Y+mVWNw3B9VMfkVwJZm+9YzHaEit9PAcvPiQZE71 b7RC9vJSAHFsl+hy8QRYd9x45c05mg4O4ZjiwhTGihVaM23ZLbdzHVqOFa5ETSNxkOWb ZsCxOD2BwbY2zChpNLxaXiz82HmXsyuH9fV9zkX/THUofbKo9I2sjE7IWe43ha4fSu9F YwQ3UFZqYKyb1CyHnSaZWT7ASe5q8wsqWyYb/w8fnqzRcOHAIPGSxtXKmhzBmnleK13j Mqz60HPKgzPpWWTEZiYC3fBlWvCEIKCAUonF1e8MbsJceioHSw0D8yiHSQ1uRtvZ/BsV 9KjQ== X-Gm-Message-State: ALoCoQnjCcZlOLlSzjvs4v18g1i0LQ/Qy0y+8OGS5VPv+/UsilwLa76TY4e/gsY6oOFZ0nDDJ4HW X-Received: by 10.180.21.225 with SMTP id y1mr12854643wie.24.1396275794151; Mon, 31 Mar 2014 07:23:14 -0700 (PDT) Received: from phenom.ffwll.local (84-73-67-144.dclient.hispeed.ch. [84.73.67.144]) by mx.google.com with ESMTPSA id y51sm33410284eeu.0.2014.03.31.07.23.12 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 31 Mar 2014 07:23:13 -0700 (PDT) From: Daniel Vetter To: Intel Graphics Development Date: Mon, 31 Mar 2014 16:23:04 +0200 Message-Id: <1396275785-8815-2-git-send-email-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1396275785-8815-1-git-send-email-daniel.vetter@ffwll.ch> References: <1396275785-8815-1-git-send-email-daniel.vetter@ffwll.ch> Cc: Daniel Vetter Subject: [Intel-gfx] [PATCH 2/3] drm/i915: dmesg output for VT-d testing 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=-4.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,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 Our validation guys want to have a positive proof that the gfx driver is indeed using VT-d, since setting up a gfx stack, especially in early bring-up and by people not versed in linux gfx is a bit tricky. So provide just that. Cc: David Woodhouse Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index b31cde1d5979..cb6401fe9637 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1961,6 +1961,10 @@ int i915_gem_gtt_init(struct drm_device *dev) gtt->base.total >> 20); DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 20); DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", gtt->stolen_size >> 20); +#ifdef CONFIG_INTEL_IOMMU + if (intel_iommu_gfx_mapped) + DRM_INFO("VT-d active for gfx access\n"); +#endif return 0; }