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 CC3DFCCD185 for ; Mon, 13 Oct 2025 22:31:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 90D3810E504; Mon, 13 Oct 2025 22:31:49 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ej24mwMQ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 92DB110E0D3 for ; Mon, 13 Oct 2025 22:31:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760394698; x=1791930698; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=J22DxhY/6Q7j5YBpLwLzadMpD7hddoViC/SRggOVS1Q=; b=ej24mwMQ7qQCyrHuLW+cfcKRtx4pVVzy3R+sew3uRu+z6jcn9ITwtgLt k7ThI2OppTHddP5Ndlv7AbyRnvs8oHD3fi6yTPehUb3q/eL1mtpZyWVsY SqKHWnbW8AvaUAxkMkQeHuE6GJ5TGbrnccg1tBoUuH7TiAmXYd3mTkziB eHW9ch3k5/Wc9YVHoPURvWEIHqlplfC6RF35A8tIvJzHks/P2ANwn9Aea XgkgdIykpgaZnWBxhSAcF09kDGR7kMiBN9rIzuiKCm1SRbiunXf9+gkw6 4bU8P38m60teE9H31yckRfEa3qM8SdSYhjX0FldoKLBS6miBJt+tS34lK A==; X-CSE-ConnectionGUID: FBm7PeqgQCOfF9RhOHhPfg== X-CSE-MsgGUID: 9n7K4QVES1WyJ4f4d0QwUw== X-IronPort-AV: E=McAfee;i="6800,10657,11581"; a="79987312" X-IronPort-AV: E=Sophos;i="6.19,226,1754982000"; d="scan'208";a="79987312" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2025 15:31:38 -0700 X-CSE-ConnectionGUID: a7BL7N+wSXC148yJOVqgLw== X-CSE-MsgGUID: /bauBoU6QDajyPj2Si27iQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,226,1754982000"; d="scan'208";a="212677591" Received: from dut4084arlh.fm.intel.com ([10.105.10.71]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2025 15:31:37 -0700 From: Stuart Summers To: Cc: intel-xe@lists.freedesktop.org, matthew.brost@intel.com, Stuart Summers Subject: [PATCH 6/7] drm/xe: Kick start GPU scheduler on teardown Date: Mon, 13 Oct 2025 22:31:34 +0000 Message-Id: <20251013223135.189357-7-stuart.summers@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251013223135.189357-1-stuart.summers@intel.com> References: <20251013223135.189357-1-stuart.summers@intel.com> MIME-Version: 1.0 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" Ensure all remaining GPU scheduler messages are processed on teardown. We already have a wait here, but if the scheduler was stopped while we have outstanding transactions, those queues will never be fully drained. Signed-off-by: Stuart Summers --- drivers/gpu/drm/xe/xe_guc_submit.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c index 5ec1e4a83d68..c923f13a13ef 100644 --- a/drivers/gpu/drm/xe/xe_guc_submit.c +++ b/drivers/gpu/drm/xe/xe_guc_submit.c @@ -276,6 +276,12 @@ static void guc_submit_fini(struct drm_device *drm, void *arg) struct xe_gt *gt = guc_to_gt(guc); int ret; + /* + * Kick start the scheduler here to ensure any remaining + * messages are processed + */ + xe_guc_submit_start(guc); + ret = wait_event_timeout(guc->submission_state.fini_wq, xa_empty(&guc->submission_state.exec_queue_lookup), HZ * 5); -- 2.34.1