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 1ADBBD35176 for ; Wed, 1 Apr 2026 11:36:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C3A9410ED66; Wed, 1 Apr 2026 11:36:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="OSRE64C+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 77CE010ECE4 for ; Wed, 1 Apr 2026 11:35:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775043342; x=1806579342; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=9oK/rcF4iZBL2CBGOnmrKrOw5OfQPdyFJvNJXuc5ho0=; b=OSRE64C+YG2plTomj2G8vlb53dhdZCyMTBorr9VNe5m1ODJGCjPbTpd+ Tj0PVIKXiU81xPWxZGjAjlO0oWYa1p2Z9WElpV3vMY/XlV5tvkEyIScdz 00Cttb/c8TTzNX5SsjcN6Boptw4b2JUb7w5DZsbu3k+MUWcT98QOIafpy jvlc/WrF5CJV11os37BkGaGRDDUGobqxRulZyhAWNKuZyIh0WGyhAWrRd ALSdgtVeJp2GUCiYB6mYZ+dzhz/YIsUIU52jmkjpo2TngyymwNK2Ne5xu 7Sk4FJ63ZBscAYh/vhM/753L30UXdWsDJEgCHVenVzq2k+yCMeHZ7hh54 Q==; X-CSE-ConnectionGUID: cvIQjxjoRba1fGzTegIW7Q== X-CSE-MsgGUID: Vti8KzCnTbaJqnMp/QP3aQ== X-IronPort-AV: E=McAfee;i="6800,10657,11745"; a="78669797" X-IronPort-AV: E=Sophos;i="6.23,153,1770624000"; d="scan'208";a="78669797" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2026 04:35:42 -0700 X-CSE-ConnectionGUID: gx8a2jvtTOCPeEIMuzGkUw== X-CSE-MsgGUID: SYB5/vEDTeq0FPLXmo9UEQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,153,1770624000"; d="scan'208";a="228263470" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2026 04:34:24 -0700 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Cc: Kunal Joshi , Mohammed Thasleem Subject: [PATCH i-g-t 2/6] tests/intel/kms_mst_helper: Add helper to check for MST outputs Date: Wed, 1 Apr 2026 17:25:38 +0530 Message-Id: <20260401115542.1074290-3-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260401115542.1074290-1-kunal1.joshi@intel.com> References: <20260401115542.1074290-1-kunal1.joshi@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" Add igt_display_has_mst_output() to check if a display has at least one DP MST output connected. This is useful for tests that need to verify MST output availability before running. Signed-off-by: Kunal Joshi Reviewed-by: Mohammed Thasleem --- tests/intel/kms_mst_helper.c | 19 +++++++++++++++++++ tests/intel/kms_mst_helper.h | 1 + 2 files changed, 20 insertions(+) diff --git a/tests/intel/kms_mst_helper.c b/tests/intel/kms_mst_helper.c index 38859cffc..1918c8d10 100644 --- a/tests/intel/kms_mst_helper.c +++ b/tests/intel/kms_mst_helper.c @@ -47,3 +47,22 @@ int igt_find_all_mst_output_in_topology(int drm_fd, igt_display_t *display, } return 0; } + +/** + * igt_display_has_mst_output: + * @display: pointer to #igt_display_t structure + * + * Check if a display has at least one DP MST output connected. + * + * Returns: true if MST output is found, false otherwise + */ +bool igt_display_has_mst_output(igt_display_t *display) +{ + igt_output_t *output; + + for_each_connected_output(display, output) { + if (igt_check_output_is_dp_mst(output)) + return true; + } + return false; +} diff --git a/tests/intel/kms_mst_helper.h b/tests/intel/kms_mst_helper.h index 7391494ab..0e8ece0a0 100644 --- a/tests/intel/kms_mst_helper.h +++ b/tests/intel/kms_mst_helper.h @@ -12,4 +12,5 @@ int igt_find_all_mst_output_in_topology(int drm_fd, igt_display_t *display, igt_output_t *output, igt_output_t *mst_outputs[], int *num_mst_outputs); +bool igt_display_has_mst_output(igt_display_t *display); #endif -- 2.48.1