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 B7425C4345F for ; Sat, 4 May 2024 13:04:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4F1CD112C0A; Sat, 4 May 2024 13:04:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Drkc6yty"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2CFA1112C0A for ; Sat, 4 May 2024 13:04:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714827854; x=1746363854; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Kn7LAiUIEjzcsqVSmA/5gI6MyT7g3h1ldZZfNsyveow=; b=Drkc6ytyiR3t5vraX0FBku/8nr537OKPL69IceFj43mPhKvs0MW25OrG kgecVKZxMMSRACKOWMQ3xpUUfrnxfBNqZMr+siIbWRqpVMnXsNYMnmh0r +9Hv34q+2yiJJmulvSYcJRNXLhnOAvN6B/sW8VpnwrExj9oOXwmlNwMoq WhIyz1Ux35dfxepulL0hCAJ742zbP5f0X2W500p3HGleA/vUXq4YoJB6y 6xjHU4JcrszmubBFGRGITPkEAtTfb+D2WZmVT2/YYuuKKDhae+8K++eTV NyDhmyzGnuJxOIHosQ9OvDxMbIgjBPe5HfxJQmMal0hXmmMXqLWllWKiW A==; X-CSE-ConnectionGUID: LyUq+GZ7RR6L+4lvB4VNkA== X-CSE-MsgGUID: 8CQfoZ9ORNGVWioLOoVxtg== X-IronPort-AV: E=McAfee;i="6600,9927,11063"; a="10506813" X-IronPort-AV: E=Sophos;i="6.07,253,1708416000"; d="scan'208";a="10506813" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2024 06:04:14 -0700 X-CSE-ConnectionGUID: 7vGpuictQcSzsXIUPGDooQ== X-CSE-MsgGUID: VB6shrU2QLWiDoZwXKGe+A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,253,1708416000"; d="scan'208";a="27769783" Received: from rahul-super-server.iind.intel.com ([10.145.169.156]) by orviesa009.jf.intel.com with ESMTP; 04 May 2024 06:04:12 -0700 From: janga.rahul.kumar@intel.com To: igt-dev@lists.freedesktop.org, ramadevi.gandi@intel.com, janga.rahul.kumar@intel.com Cc: matthew.d.roper@intel.com, badal.nilawar@intel.com Subject: [PATCH i-g-t 2/3] tests/intel/xe_pm: Add mocs runtime suspend resume test Date: Sat, 4 May 2024 18:34:57 +0530 Message-Id: <20240504130458.2102132-3-janga.rahul.kumar@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240504130458.2102132-1-janga.rahul.kumar@intel.com> References: <20240504130458.2102132-1-janga.rahul.kumar@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" From: Janga Rahul Kumar Add test to check mocs values are retained over runtime suspend/resume. Cc: Badal Nilawar Cc: Matt Roper Signed-off-by: Janga Rahul Kumar --- tests/intel/xe_pm.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/tests/intel/xe_pm.c b/tests/intel/xe_pm.c index 51442537b..73fd57636 100644 --- a/tests/intel/xe_pm.c +++ b/tests/intel/xe_pm.c @@ -609,6 +609,45 @@ static void test_mmap(device_t device, uint32_t placement, uint32_t flags) close(fw_handle); } +/** + * SUBTEST: mocs_suspend_resume + * Description: + * Validate mocs register contents over suspend resume + * + * Functionality: mocs + * Run type: FULL + */ +static void test_mocs_suspend_resume(device_t device) +{ + int gt; + + xe_for_each_gt(device.fd_xe, gt) { + char path[256]; + + // Mocs debugfs contents before and after suspend-resume + char mocs_content_pre[4096], mocs_contents_post[4096]; + + sprintf(path, "gt%d/mocs", gt); + igt_assert(igt_debugfs_exists(device.fd_xe, path, O_RDONLY)); + igt_debugfs_dump(device.fd_xe, path); + igt_debugfs_read(device.fd_xe, path, mocs_content_pre); + + fw_handle = igt_debugfs_open(device.fd_xe, "forcewake_all", O_RDONLY); + igt_assert(fw_handle >= 0); + igt_assert(igt_get_runtime_pm_status() == IGT_RUNTIME_PM_STATUS_ACTIVE); + + /* Runtime suspend */ + close(fw_handle); + igt_assert(igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED)); + + igt_assert(igt_debugfs_exists(device.fd_xe, path, O_RDONLY)); + igt_debugfs_dump(device.fd_xe, path); + igt_debugfs_read(device.fd_xe, path, mocs_contents_post); + + igt_assert(strcmp(mocs_content_pre, mocs_contents_post) == 0); + } +} + igt_main { struct drm_xe_engine_class_instance *hwe; @@ -767,6 +806,10 @@ igt_main dpms_on_off(device, DRM_MODE_DPMS_ON); igt_pm_set_autosuspend_delay(device.pci_xe, delay_ms); } + + igt_subtest("mocs_suspend_resume") + test_mocs_suspend_resume(device); + } igt_fixture { -- 2.25.1