From patchwork Fri Jul 12 11:14:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 11042095 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C81C114E3 for ; Fri, 12 Jul 2019 11:15:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B858E28A75 for ; Fri, 12 Jul 2019 11:15:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AAF9128B2C; Fri, 12 Jul 2019 11:15:36 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 67DE628A75 for ; Fri, 12 Jul 2019 11:15:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B6DE06E34D; Fri, 12 Jul 2019 11:15:35 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 685736E34D for ; Fri, 12 Jul 2019 11:15:33 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Jul 2019 04:15:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,482,1557212400"; d="scan'208";a="157111077" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga007.jf.intel.com with ESMTP; 12 Jul 2019 04:15:31 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [172.28.180.213]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x6CBFTLS006127; Fri, 12 Jul 2019 12:15:30 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Fri, 12 Jul 2019 11:14:44 +0000 Message-Id: <20190712111445.21040-2-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20190712111445.21040-1-michal.wajdeczko@intel.com> References: <20190712111445.21040-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/2] drm/i915/guc: Don't enable GuC/HuC in auto mode on pre-Gen11 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP We are about to change default setting of "enable_guc" modparam from 0(disabled) to -1(auto). As we only want to turn on GuC/HuC on Gen11+, keep it off for older gens. Note that it would be still possible to enable GuC/HuC on these old platforms using explicit "enable_guc=2" modparam. Signed-off-by: Michal Wajdeczko Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Rodrigo Vivi Cc: Chris Wilson Cc: Daniele Ceraolo Spurio Reviewed-by: Joonas Lahtinen Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_uc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index fdf00f1ebb57..72bbcb2597fd 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -58,12 +58,16 @@ static int __get_platform_enable_guc(struct drm_i915_private *i915) struct intel_uc_fw *huc_fw = &i915->huc.fw; int enable_guc = 0; - /* Default is to use HuC if we know GuC and HuC firmwares */ + if (!HAS_GUC(i915)) + return 0; + + /* We don't want to enable GuC/HuC on pre-Gen11 by default */ + if (INTEL_GEN(i915) < 11) + return 0; + if (intel_uc_fw_is_selected(guc_fw) && intel_uc_fw_is_selected(huc_fw)) enable_guc |= ENABLE_GUC_LOAD_HUC; - /* Any platform specific fine-tuning can be done here */ - return enable_guc; }