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 46F6EC56201 for ; Fri, 20 Feb 2026 15:01:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E4C3010E366; Fri, 20 Feb 2026 15:01:23 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="SKrBXUcs"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC82310E366 for ; Fri, 20 Feb 2026 15:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771599683; x=1803135683; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nwDtAWJroPcTw5DOFCGANvYQwnUJatTahDKTniQC5qQ=; b=SKrBXUcsASFvp/0vOfux+uZ9XIekMzl94P6tJmwARDHF2qg/pHBH4af7 P16WRcx6DE6+6n2apKBTpz7H83OTx4dGff1iuYD78mAvV0dByeK64ninZ EhE2Ni9NFIsq/feF73LKFqjhpe1ooEKKqvBiNnJbirCGtH0CZ0CXCU/M+ QgHps+R+SF5sBi6Yf2kra3ULW4hmUzSD9AEGBEhc1wqp9hj9D8RfHyluN MNSaoS5Bme2M5kLcUQxtjjiZefCJzNo9EVyfVepn/y7OX7NGHFOJ8NOwP 8f3gHj/g2s3FsE04IAkF+9ZdxgYmBg3Auc3E1IqYEZIVzPPQJ5yEswo1s g==; X-CSE-ConnectionGUID: ytyEEEtnSimKjZNA0yl+8Q== X-CSE-MsgGUID: 0tXkSVawR4m8zytmWgizdQ== X-IronPort-AV: E=McAfee;i="6800,10657,11707"; a="72592288" X-IronPort-AV: E=Sophos;i="6.21,302,1763452800"; d="scan'208";a="72592288" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2026 07:01:23 -0800 X-CSE-ConnectionGUID: 80CVMmlqRUik6Sp/BBs6ug== X-CSE-MsgGUID: 4XRaJ78bQG2CkO9OHGg1Tg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,302,1763452800"; d="scan'208";a="219411147" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2026 07:01:21 -0800 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Cc: Kunal Joshi Subject: [PATCH i-g-t 1/3] tests/intel/kms_mst_helper: Add helper to check for MST outputs Date: Fri, 20 Feb 2026 20:52:37 +0530 Message-Id: <20260220152239.276034-2-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260220152239.276034-1-kunal1.joshi@intel.com> References: <20260220152239.276034-1-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() helper function 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 --- 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 aef74cd31..6b986a45c 100644 --- a/tests/intel/kms_mst_helper.c +++ b/tests/intel/kms_mst_helper.c @@ -46,3 +46,22 @@ int igt_find_all_mst_output_in_topology(int drm_fd, igt_display_t *display, } return 0; } + +/* + * @display: pointer to #igt_display_t structure + * + * Iterates over all connected outputs and checks if any of them + * is a DP MST output. + * + * Returns: true if at least one 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 -- 2.43.0