From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 633B5F5A8C7 for ; Mon, 20 Apr 2026 21:48:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A3B6A10E74F; Mon, 20 Apr 2026 21:48:49 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="MpO+3R4a"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 108D310E1C8; Mon, 20 Apr 2026 21:48:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776721728; x=1808257728; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=yp6zBwWYWzaO9Mkh8oCj8AHQfyJ9bpGHCPnqU4MnHjU=; b=MpO+3R4aYCi1L06BYTs9tcn4ouosgFWMVrloN5a04rRWufPdaImKvqnk lj1cHRO1sB/3oLE0IxX4Xi6wuVMtinW32/i7dCXXfkgO2b9sU3a0RLLhG zO0XbLn555eMdGL19PT2ttxId3I1IWpf/4FtDNlYgqLU7cISsPkrDC1FL 5jJ6nMpf34j1M7fAXiJ9nu9qhibwNPk+RpuLTlY2ucAnwoAaHLGgsQvMK GHtO+pyF3aJ5T3S9ThAPZI29dFp3IQg9/EJer/xfBjpGujG4X6WkL3a8E HZWofJOV15N0u+wA1nbKhgKTBwWhTYBE3eatpEnTXLBfGSPtjNCtQA5il g==; X-CSE-ConnectionGUID: qLvPIuNuQwGU+0SNIyr0yQ== X-CSE-MsgGUID: sl1PGviSTDy0BR5rV2PXdw== X-IronPort-AV: E=McAfee;i="6800,10657,11762"; a="81521013" X-IronPort-AV: E=Sophos;i="6.23,190,1770624000"; d="scan'208";a="81521013" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2026 14:48:48 -0700 X-CSE-ConnectionGUID: JpGb5Fn3RR2Q9033+IFIaw== X-CSE-MsgGUID: d3Ea6XpVQqKBTKEeo24fJA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,190,1770624000"; d="scan'208";a="233609828" Received: from amilburn-desk.amilburn-desk (HELO localhost) ([10.245.244.159]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2026 14:48:47 -0700 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Subject: [PATCH 0/2] drm/i915/gmbus: Try to fix AUX software timeouts Date: Tue, 21 Apr 2026 00:48:41 +0300 Message-ID: <20260420214843.17514-1-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" From: Ville Syrjälä Looks like the "AUX did not complete or timeout within 10ms" errors in CI (currently visible on shard-dg1) are caused by GMBUS and AUX fighting over the same hardware resources. Try to fix that by making them take turns. Ville Syrjälä (2): drm/i915/gmbus: Lock AUX CH during GMBUS transfers drm/i915/gmbus: Swap locks vs. wakeref in intel_gmbus_output_aksv() drivers/gpu/drm/i915/display/intel_gmbus.c | 53 ++++++++++++++++++++-- 1 file changed, 50 insertions(+), 3 deletions(-) -- 2.52.0