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 D6D6110F6FD6 for ; Wed, 1 Apr 2026 15:45:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 87F4310EE12; Wed, 1 Apr 2026 15:45:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="YI78SZet"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 27F3610E5BD for ; Wed, 1 Apr 2026 15:45:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775058311; x=1806594311; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1Xo0axRG6q5AassBkV6dG0g6jVW3gPjxN2V9QMQ2fGs=; b=YI78SZetvg7r9Y2P0b4xmxkUtaCKRUHck9pcyWJpuvBTR+6DZWoGSN6S rfDHTcTK7MSoKivhevuiAFxPT7VURCrK+awlBfHaOaTu+N6+TEVSPMtr7 wryjv4we3QaSKkjqyKlgP2p/PXvi2j4rRebLtOWn/G6/eaDS5dRwO5jYX p/csHxaKVR7ocdfBayT6r8kZ4WFoXSOzxomj7AKASBK0wrVDVpmwS5NgD KYRkwqEG5kUDqTFKhbKAgYwxMOb7uo6RO0slAyI1zAjLkujd5u9HXL7TW ADwe0Bt+UNaEgvHyzRmcuhEYF9uwJjSXRIUe3tMEbDTwChaJ5n3okoAFA g==; X-CSE-ConnectionGUID: Y+lTnHZjSfGbPxBr+vXAbg== X-CSE-MsgGUID: bTviinlNSPm1ElLQtRhDEw== X-IronPort-AV: E=McAfee;i="6800,10657,11745"; a="79988967" X-IronPort-AV: E=Sophos;i="6.23,153,1770624000"; d="scan'208";a="79988967" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2026 08:45:11 -0700 X-CSE-ConnectionGUID: AYJMp39gSkK0zBoDl9Obdw== X-CSE-MsgGUID: p00qB/c5RrGUhBru1bAJBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,153,1770624000"; d="scan'208";a="226960075" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2026 08:45:09 -0700 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Cc: Kunal Joshi , Mohammed Thasleem Subject: [PATCH i-g-t 2/7] tests/intel/kms_mst_helper: Add helper to check for MST outputs Date: Wed, 1 Apr 2026 21:36:22 +0530 Message-Id: <20260401160627.1338526-3-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260401160627.1338526-1-kunal1.joshi@intel.com> References: <20260401160627.1338526-1-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 -- 2.25.1