From patchwork Sat May 27 09:44:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chuanxiao.Dong" X-Patchwork-Id: 9751725 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 03D5C6037E for ; Sat, 27 May 2017 09:46:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CDD5D283BB for ; Sat, 27 May 2017 09:46:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C2BB42845C; Sat, 27 May 2017 09:46:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 78CB3283BB for ; Sat, 27 May 2017 09:46:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 23B706E06E; Sat, 27 May 2017 09:46:46 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 426F36E06E; Sat, 27 May 2017 09:46:45 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 May 2017 02:46:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.38,402,1491289200"; d="scan'208"; a="1175058723" Received: from cxdong-dell-dev.bj.intel.com ([10.238.135.52]) by fmsmga002.fm.intel.com with ESMTP; 27 May 2017 02:46:43 -0700 From: Chuanxiao Dong To: intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Sat, 27 May 2017 17:44:18 +0800 Message-Id: <1495878259-7733-3-git-send-email-chuanxiao.dong@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1495878259-7733-1-git-send-email-chuanxiao.dong@intel.com> References: <1495878259-7733-1-git-send-email-chuanxiao.dong@intel.com> In-Reply-To: <1495767859-10064-1-git-send-email-chuanxiao.dong@intel.com> References: <1495767859-10064-1-git-send-email-chuanxiao.dong@intel.com> Subject: [Intel-gfx] [PATCH v2 2/3] drm/i915/gvt: Return -EIO if host enable_execlists not enabled when loading GVT-g 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-Virus-Scanned: ClamAV using ClamSMTP GVT-g relies on the enable_execlists parameter in i915. If this option is not enabled for GVT-g, should return -EIO to make i915 driver loading failed. v2: - Use DMR_ERROR as it is a fatal message. (Chris) Cc: Chris Wilson Suggested-by: Joonas Lahtinen Cc: Joonas Lahtinen Signed-off-by: Chuanxiao Dong --- drivers/gpu/drm/i915/intel_gvt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c index dde9c78..e2a3f0a 100644 --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -96,8 +96,8 @@ int intel_gvt_init(struct drm_i915_private *dev_priv) } if (!i915.enable_execlists) { - DRM_INFO("GPU guest virtualisation [GVT-g] disabled due to disabled execlist submission [i915.enable_execlists module parameter]\n"); - goto bail; + DRM_ERROR("i915 GVT-g loading failed due to disabled execlists mode\n"); + return -EIO; } /*