From patchwork Thu May 23 23:30:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 10958929 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 ADCBE112C for ; Thu, 23 May 2019 23:31:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A89E2878F for ; Thu, 23 May 2019 23:31:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 98EA8287C1; Thu, 23 May 2019 23:31:37 +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 46F4B287C9 for ; Thu, 23 May 2019 23:31:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8F98A6E088; Thu, 23 May 2019 23:31:34 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id B0FC589F49 for ; Thu, 23 May 2019 23:31:30 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 May 2019 16:31:30 -0700 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga001.fm.intel.com with ESMTP; 23 May 2019 16:31:27 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [10.249.139.89]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x4NNVN0Z023503; Fri, 24 May 2019 00:31:26 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Thu, 23 May 2019 23:30:29 +0000 Message-Id: <20190523233049.28020-3-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20190523233049.28020-1-michal.wajdeczko@intel.com> References: <20190523233049.28020-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 02/22] 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: , 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 1a265fbd95c7..f66105d756df 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 = @@ -298,6 +307,10 @@ 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;