From patchwork Tue May 2 08:58:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chuanxiao.Dong" X-Patchwork-Id: 9707693 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 4D9D66021C for ; Tue, 2 May 2017 09:00:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E0F3204BA for ; Tue, 2 May 2017 09:00:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2F6E7283FE; Tue, 2 May 2017 09:00:20 +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 D9182204BA for ; Tue, 2 May 2017 09:00:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2D9C06E209; Tue, 2 May 2017 09:00:19 +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 811B66E209; Tue, 2 May 2017 09:00:18 +0000 (UTC) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2017 02:00:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,404,1488873600"; d="scan'208";a="963377427" Received: from cxdong-dell-dev.bj.intel.com ([10.238.135.52]) by orsmga003.jf.intel.com with ESMTP; 02 May 2017 02:00:16 -0700 From: Chuanxiao Dong To: intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Tue, 2 May 2017 16:58:31 +0800 Message-Id: <1493715511-12916-1-git-send-email-chuanxiao.dong@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [Intel-gfx] [PATCH] drm/i915/gvt: disable GVT-g if host GuC submission is enabled 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 disable GVT in this case. 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 e1ab643..0e1ff48 100644 --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -84,6 +84,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv) goto bail; } + if (i915.enable_guc_submission) { + DRM_INFO("GPU guest virtualisation [GVT-g] disabled due to enabled GuC submission [i915.enable_guc_submission module parameter]\n"); + goto bail; + } + /* * We're not in host or fail to find a MPT module, disable GVT-g */