From patchwork Wed Apr 17 05:39:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 10904591 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 0F76117E0 for ; Wed, 17 Apr 2019 05:40:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F174A289CD for ; Wed, 17 Apr 2019 05:40:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E5D2C289FF; Wed, 17 Apr 2019 05:40:27 +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 9A471289CD for ; Wed, 17 Apr 2019 05:40:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BFEB489DC2; Wed, 17 Apr 2019 05:40:26 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id EEDBB89DC2 for ; Wed, 17 Apr 2019 05:40:25 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Apr 2019 22:40:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,360,1549958400"; d="scan'208";a="338333959" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga005.fm.intel.com with ESMTP; 16 Apr 2019 22:40:23 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [10.249.138.215]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x3H5eIY8005705; Wed, 17 Apr 2019 06:40:21 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Wed, 17 Apr 2019 05:39:47 +0000 Message-Id: <20190417054004.28176-3-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.10.1.windows.1 In-Reply-To: <20190417054004.28176-1-michal.wajdeczko@intel.com> References: <20190417054004.28176-1-michal.wajdeczko@intel.com> Subject: [Intel-gfx] [PATCH v3 02/19] drm/i915/guc: Don't allow GuC submission 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: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Due to the upcoming changes to the GuC ABI interface, we must disable GuC submission mode until final ABI will be available on all GuC firmwares. To avoid regressions on systems configured to run with no longer supported configuration "enable_guc=3" or "enable_guc=1" clear GuC submission bit. v2: force switch to non-GuC submission mode Signed-off-by: Michal Wajdeczko Cc: Joonas Lahtinen Cc: Chris Wilson Cc: Rodrigo Vivi Cc: Daniele Ceraolo Spurio Cc: John Spotswood Cc: Vinay Belgaumkar Cc: Tony Ye Cc: Anusha Srivatsa Cc: Jeff Mcgee Cc: Antonio Argenziano Cc: Sujaritha Sundaresan Cc: Martin Peres Acked-by: Martin Peres --- drivers/gpu/drm/i915/intel_uc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 2a56e2363888..9eadd21299ca 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -130,6 +130,15 @@ static void sanitize_options_early(struct drm_i915_private *i915) "no HuC firmware"); } + /* XXX: GuC submission is unavailable for now */ + if (intel_uc_is_using_guc_submission(i915)) { + DRM_INFO("Incompatible option detected: %s=%d, %s!\n", + "enable_guc", i915_modparams.enable_guc, + "GuC submission not supported"); + DRM_INFO("Switching to non-GuC submission mode!\n"); + i915_modparams.enable_guc &= ~ENABLE_GUC_SUBMISSION; + } + /* A negative value means "use platform/config default" */ if (i915_modparams.guc_log_level < 0) i915_modparams.guc_log_level = @@ -286,6 +295,10 @@ int intel_uc_init(struct drm_i915_private *i915) if (!HAS_GUC(i915)) return -ENODEV; + /* XXX: GuC submission is unavailable for now */ + if (USES_GUC_SUBMISSION(i915)) + return -EIO; + ret = intel_guc_init(guc); if (ret) return ret;