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 CEA4CFD064E for ; Wed, 11 Mar 2026 08:13:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7AAF710E863; Wed, 11 Mar 2026 08:13:50 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="YtIjBfA2"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6E22710E85D for ; Wed, 11 Mar 2026 08:13:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1773216829; x=1804752829; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=zy12Ek22yfkfr4lr9Bw/la9QAVxflW5oxPDR/Zt9Xqg=; b=YtIjBfA2Q1hgrFGdAi6V/aW4B6wREF8ca8fGmkk4kaIFJYEhBD9o0+tp 9yIktpsDFfGcobrFl+UVSZ9crzwDTEQCtP/1bINOsiyrioxnHO5ORAddW 2NErgNz/Y8mKW268Nv7PM535BablQR/XYuUPuKusJA03sdALsQJgXxWh4 /5QT31qZeAzzJnlv5NYmBH7CpsamXf/ciXkl3UB448bNgFvCmkuRwZvDc XJmQw1lwB/XXQrL96/fU7jXKR+ICJxiVaobCAfwGxLyhCA359pDLEOyIo j42U8TrA/SCMJFzESKW1UFSDSW5uJlaUTYbf4Y7ddMNk7Q0Xs7XXwEW0z g==; X-CSE-ConnectionGUID: 6WfO5Ye/SXWzbD5f3+OH8Q== X-CSE-MsgGUID: /KU6w6G+RgKP1SHdg509Tg== X-IronPort-AV: E=McAfee;i="6800,10657,11725"; a="74318901" X-IronPort-AV: E=Sophos;i="6.23,113,1770624000"; d="scan'208";a="74318901" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2026 01:13:48 -0700 X-CSE-ConnectionGUID: ljHfMxArTN2ejwmYs++Pjw== X-CSE-MsgGUID: T8OxEfjvQFCBRB1Lq4rerA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,113,1770624000"; d="scan'208";a="215642406" Received: from bilal-nuc7i7bnh.iind.intel.com ([10.190.239.45]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2026 01:13:46 -0700 From: Mohammed Bilal To: igt-dev@lists.freedesktop.org Cc: kunal1.joshi@intel.com, Mohammed Bilal Subject: [PATCH i-g-t v1] lib/igt_kms: Fix invalid mode timing in igt_kms_get_full_edid() Date: Wed, 11 Mar 2026 13:40:49 +0530 Message-ID: <20260311081049.3220303-1-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. 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..01e61904b 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 = 193882; 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 = 1320; + 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