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 D1B5FEFCBD4 for ; Mon, 16 Mar 2026 08:23:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 81E8810E319; Mon, 16 Mar 2026 08:23:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="b1aX5o90"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id CDBD610E319 for ; Mon, 16 Mar 2026 08:23:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1773649427; x=1805185427; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=OuluGx1k5Lx3sc0JwtW3IFPsCEakkNZqaQ5gjfup224=; b=b1aX5o909h6jdhmpcCgUN6kiOrvwcGOOW7CdeCOf8iWU13zP7YvTLFCL qj/foyaf+qPeLvMrXvZK0RLGcffiXl9cml43sAmJqKREcnIOYD1mGoDKv 36I3uqLnZ5vuklwhDxS+7Yx+ddaVh7j3CPMpfOMl53dW+wlTW6dNft4oQ HLdOlJpSjhKqp5VX0bXkkYiZetnznj2XQw3lSX6CxunMV7T6TxECaAois F2Xn0017GKQRSoUJ2knuxfOVGICIuKkqUXR/yrvTLOXSOY8rPcYLruaA3 zApssxqbLbFjoct60p2tDSF+BZ+zyWa34miY8wFVHrqsrjZ41KofV4lzk Q==; X-CSE-ConnectionGUID: nyktLJFdQtmH07jfA22ZzQ== X-CSE-MsgGUID: /u+Yh19FQBiz8kCG+tiMbw== X-IronPort-AV: E=McAfee;i="6800,10657,11730"; a="74576971" X-IronPort-AV: E=Sophos;i="6.23,123,1770624000"; d="scan'208";a="74576971" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2026 01:23:47 -0700 X-CSE-ConnectionGUID: RwEM1hecSHuF/Rqk4HoqAQ== X-CSE-MsgGUID: IW2EJWmMSxet2dizHvGiBg== X-ExtLoop1: 1 Received: from bilal-nuc7i7bnh.iind.intel.com ([10.190.239.45]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2026 01:23:46 -0700 From: Mohammed Bilal To: igt-dev@lists.freedesktop.org Cc: kunal1.joshi@intel.com, Mohammed Bilal Subject: [PATCH i-g-t v2] lib/igt_kms: Fix invalid mode timing in igt_kms_get_full_edid() Date: Mon, 16 Mar 2026 13:50:53 +0530 Message-ID: <20260316082053.3333398-1-mohammed.bilal@intel.com> X-Mailer: git-send-email 2.48.1 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" The mode timing values for 2288x1287 were invalid, causing an incorrect refresh rate to be calculated. Fixed by using proper timing values with correct blanking periods. v2: -Update value based on cvt Signed-off-by: Mohammed Bilal --- lib/igt_kms.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/lib/igt_kms.c b/lib/igt_kms.c index 0b05ddd72..da7297669 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -162,16 +162,17 @@ const struct edid *igt_kms_get_full_edid(void) static struct edid edid; drmModeModeInfo mode = {}; - mode.clock = 148500; + /* 2288x1287 @ 60Hz with proper timing values */ + mode.clock = 194250; mode.hdisplay = 2288; - mode.hsync_start = 2008; - mode.hsync_end = 2052; - mode.htotal = 2200; + mode.hsync_start = 2336; + mode.hsync_end = 2368; + mode.htotal = 2448; mode.vdisplay = 1287; - mode.vsync_start = 1084; - mode.vsync_end = 1089; - mode.vtotal = 1125; - mode.vrefresh = 144; + mode.vsync_start = 1290; + mode.vsync_end = 1295; + mode.vtotal = 1324; + mode.vrefresh = 60; edid_init_with_mode(&edid, &mode); std_timing_set(&edid.standard_timings[0], 256, 60, STD_TIMING_16_10); -- 2.48.1