From patchwork Sat May 27 09:44:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chuanxiao.Dong" X-Patchwork-Id: 9751727 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 90E4F6037E for ; Sat, 27 May 2017 09:46:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 670C9283BB for ; Sat, 27 May 2017 09:46:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5C1F02845C; Sat, 27 May 2017 09:46:57 +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 ECEF8283BB for ; Sat, 27 May 2017 09:46:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7589D6E073; Sat, 27 May 2017 09:46:56 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 889056E070; Sat, 27 May 2017 09:46:55 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 May 2017 02:46:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.38,402,1491289200"; d="scan'208"; a="1175058766" Received: from cxdong-dell-dev.bj.intel.com ([10.238.135.52]) by fmsmga002.fm.intel.com with ESMTP; 27 May 2017 02:46:50 -0700 From: Chuanxiao Dong To: intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Sat, 27 May 2017 17:44:19 +0800 Message-Id: <1495878259-7733-4-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 3/3] drm/i915/gvt: Return -EIO if host GuC submission is 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 Currently GVT-g cannot work properly when host GuC submission is enabled, so make the driver loading failed in this case. v2: - use DRM_ERROR as it is a fatal message. (Chris) Suggested-by: Joonas Lahtinen Suggested-by: Chris Wilson Cc: Joonas Lahtinen Cc: Chris Wilson Cc: Zhenyu Wang Signed-off-by: Chuanxiao Dong --- drivers/gpu/drm/i915/intel_gvt.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c index e2a3f0a..52d5b82 100644 --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -100,6 +100,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv) return -EIO; } + if (i915.enable_guc_submission) { + DRM_ERROR("i915 GVT-g loading failed due to Graphics virtualization is not yet supported with GuC submission\n"); + return -EIO; + } + /* * We're not in host or fail to find a MPT module, disable GVT-g */