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 4A717C88E4D for ; Fri, 11 Sep 2026 04:15:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E80D310F463; Fri, 11 Sep 2026 04:15:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jm2GVP0T"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2C15710EA68; Fri, 11 Sep 2026 04:15:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789100116; x=1820636116; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=q0es8S46vu/Ac6Ifr7Ig6Bo+gh6AKGxq8OhAK6boGRI=; b=jm2GVP0TPYpH7unByvw9VUBFEvGb8XwNcLgzFe6XOgS9oePYh6ZQwClM aZJXttwCTed9EVGLsVKjebzCaF2QE2OnOeF+o7f/5W+Lyfbf38V7zJ432 /TEwdK8GZXSDbYnLbrYCqM2/p1vYTAM36SCW3qXKjrrlnPW56SoBU0969 fOvAAmkjlqzmPTyCFd4biJtstJTLR79M3i1T4bmIVHg+e/u+ECEjsGjF4 vDT3s9BcBquaSU29Y0FZAuhgqV77OFtmKpis7IIl6JE82Qwh8sxHTpFH5 aVh2Y2E65Wnes0I8tOZaLrRffnEVJzzuUKgdLQ7Y4nJ9jranqSaNdMFfB g==; X-CSE-ConnectionGUID: R3Fa5tacQK+/ZpUfazT3qw== X-CSE-MsgGUID: d4nqKGbiQ7GJziyF5tZO5g== X-IronPort-AV: E=McAfee;i="6800,10657,11901"; a="89599965" X-IronPort-AV: E=Sophos;i="6.27,96,1787036400"; d="scan'208";a="89599965" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2026 21:15:16 -0700 X-CSE-ConnectionGUID: cJEFQVsTQCqq9YS+baQcrw== X-CSE-MsgGUID: /tZUzxx1ROy5S5OWElk85w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,96,1787036400"; d="scan'208";a="275334471" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.10]) by orviesa003.jf.intel.com with ESMTP; 10 Sep 2026 21:15:15 -0700 From: Suraj Kandpal To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com, arun.r.murthy@intel.com, Suraj Kandpal Subject: [PATCH 10/10] drm/i915/dp: Bump the max Link M/N ratio to 22 for DISPLAY_VER >= 35 Date: Fri, 11 Sep 2026 09:44:49 +0530 Message-Id: <20260911041449.3699400-11-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260911041449.3699400-1-suraj.kandpal@intel.com> References: <20260911041449.3699400-1-suraj.kandpal@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Starting Xe3p max M/N ratio has been increased to 22. Bspec: 68922 Signed-off-by: Suraj Kandpal --- drivers/gpu/drm/i915/display/intel_dp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index c2db83f80c7e..3405e411c324 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1269,6 +1269,9 @@ bool intel_dp_has_dsc(const struct intel_connector *connector) static int intel_dp_get_max_m_n_ratio(struct intel_display *display) { + if (DISPLAY_VER(display) >= 35) + return 22; + if (display->platform.dg2) return 4; -- 2.34.1