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 5778DCD8CB9 for ; Wed, 10 Jun 2026 07:13:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E338410E754; Wed, 10 Jun 2026 07:13:19 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="UsJV5JHG"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id F2FE910E75C for ; Wed, 10 Jun 2026 07:12:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781075575; x=1812611575; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=y8VZmoUvME8vRVy63lGHQWOf9lJ8H0GWIugvrISmKUY=; b=UsJV5JHGbk4rLD3F4woWJfXEQONR4DmLQosQQ4a5i4krSgn+yLORQ8bQ +75CfaPCLjnq7308HM1cxWLt3HQfrylEvhYagK3u5DLqU2VupJ/3tvjCi 2pCqkpDbHakmUP2zQ4W1ybEamMjXffnEIJabJqXybx928KvFgBzY4og0e nqlYgru6Jts9iK5eD/JdvtUrtF9puZpeL5hZGWLxwKlfvfUCVvFzvfLZL LR5OuSqjvw6gru308w2T/7C0FmmiR2KaatQyJDC97mMNKYObmKquT1FuU c6wZM1MjWx8Tzj6/Yrvg+8lXorLCohhsIoiE9vRO2C8t3PRYVFWlnMijL w==; X-CSE-ConnectionGUID: bEYlZW9ZSGeHKB2d9JStTQ== X-CSE-MsgGUID: D8+ndStdR+aNZsrJfb5yrA== X-IronPort-AV: E=McAfee;i="6800,10657,11812"; a="92180155" X-IronPort-AV: E=Sophos;i="6.24,197,1774335600"; d="scan'208";a="92180155" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2026 00:12:54 -0700 X-CSE-ConnectionGUID: 2evT2iuJQq6dyZxM5Ay3bQ== X-CSE-MsgGUID: 5Vnjde+nTaGpzhhibiSA7w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,197,1774335600"; d="scan'208";a="251167518" Received: from linux-meteor-lake-client-platform.iind.intel.com ([10.223.55.75]) by fmviesa005.fm.intel.com with ESMTP; 10 Jun 2026 00:12:53 -0700 From: Mohammed Thasleem To: igt-dev@lists.freedesktop.org Cc: Mohammed Thasleem , Jeevan B Subject: [PATCH v4 1/2] tests/intel/kms_pm_dc: Add DC5 DPMS suspend/resume validation test Date: Wed, 10 Jun 2026 12:32:52 +0530 Message-ID: <20260610070253.25329-2-mohammed.thasleem@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260610070253.25329-1-mohammed.thasleem@intel.com> References: <20260610070253.25329-1-mohammed.thasleem@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" Validate DC5 state entry before and after suspend/resume cycle using DPMS. Ensures DC5 functionality is preserved across system suspend/resume operations. v2: Remove repeated word. (Pranay) Remove extra line. v3: Update test description. (Jeevan) v4: Add igt_info log during test cycle. (Jeevan) Signed-off-by: Mohammed Thasleem Reviewed-by: Jeevan B --- tests/intel/kms_pm_dc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/tests/intel/kms_pm_dc.c b/tests/intel/kms_pm_dc.c index 90df8ee37..521521196 100644 --- a/tests/intel/kms_pm_dc.c +++ b/tests/intel/kms_pm_dc.c @@ -80,6 +80,9 @@ * * SUBTEST: dc5-pageflip-negative * Description: This test validates that DC5 entry should not occur during continuous page-flips + * + * SUBTEST: dc5-dpms-suspend-resume + * Description: This test validates DC5 state entry before and after a suspend/resume cycle using DPMS */ #define PWR_DOMAIN_INFO "i915_power_domain_info" @@ -668,6 +671,18 @@ static void test_dc5_pageflip_negative(data_t *data, int dc_flag) cleanup_dc3co_fbs(data); } +static void test_dc5_dpms_suspend_resume(data_t *data, int dc_flag) +{ + igt_info("Testing DC5 state before suspend\n"); + test_dc_state_dpms(data, dc_flag); + + igt_info("Starting suspend/resume cycle\n"); + igt_system_suspend_autoresume(SUSPEND_STATE_MEM, SUSPEND_TEST_NONE); + + igt_info("Testing DC5 state after resume\n"); + test_dc_state_dpms(data, dc_flag); +} + static void kms_poll_state_restore(int sig) { int sysfs_fd; @@ -801,6 +816,11 @@ int igt_main() test_dc9_dpms(&data); } + igt_describe("This test validates DC5 state entry before and after a " + "suspend/resume cycle using DPMS"); + igt_subtest("dc5-dpms-suspend-resume") + test_dc5_dpms_suspend_resume(&data, IGT_INTEL_CHECK_DC5); + igt_fixture() { free(data.debugfs_dump); close(data.debugfs_fd); -- 2.43.0