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 9AD00C04FFE for ; Wed, 8 May 2024 09:58:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 33F3610F704; Wed, 8 May 2024 09:58:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="U0bh7na/"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8D9D510F704 for ; Wed, 8 May 2024 09:58:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715162332; x=1746698332; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=d2BwS3plucdmkJkWW12dE0DgJCx2RhajrGgbTRRWRhw=; b=U0bh7na/9MwzbMO3hOVPcjuVuPFbxtXv25eyn5F/T1LWGhE2CNYV6Lqu Xn4rvsjVv/B2MPCiktDRT/bR3DT9IU+PzJO4wfth9ZQ1JjBXuOGSkn139 LPvlFrqTHvCoW1dJ+YItmvA8LzKRUH3we5i6x+KVD/XkKF0XkM+XMVD6N PZ+hPcYGVZdZtsVImNUwIpzuiapOgmt9K8XxKQa8f9V3PUuMBobL1O4jf 8CLfLpoA/Dhf92/VzVrEb138lR2MNKCnfUavTbuc4busp7Gz3FNXNi5UH PVwxtwQJZbUjHEpMtIbFquMu1rV4WjMJlrluAbg5iqEkFcgcclfGQbOc0 w==; X-CSE-ConnectionGUID: U3NmO+b5TOaflPBJW+Me+Q== X-CSE-MsgGUID: QseJB1xuRsWT2jkIQEQ1yQ== X-IronPort-AV: E=McAfee;i="6600,9927,11066"; a="14817355" X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="14817355" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 02:58:51 -0700 X-CSE-ConnectionGUID: /9PnVYcxRKC77WM9jaP+Zw== X-CSE-MsgGUID: wZG9xyEFQkmH0q21JL8GZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="33664922" Received: from dhhellew-desk2.ger.corp.intel.com.ger.corp.intel.com (HELO localhost) ([10.245.246.76]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 02:58:50 -0700 From: Jani Nikula To: "Murthy, Arun R" , Ville =?utf-8?B?U3lyasOk?= =?utf-8?B?bMOk?= Cc: "intel-gfx@lists.freedesktop.org" Subject: RE: [PATCH] drm/i915/display/dp: Remove UHBR13.5 for icl In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20240506090625.2812332-1-arun.r.murthy@intel.com> Date: Wed, 08 May 2024 12:58:46 +0300 Message-ID: <87v83ok4kp.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Wed, 08 May 2024, "Murthy, Arun R" wrote: > This is the limitation from the retimer hardware. The commit message needs to reflect this. Do all units have a retimer with the limitation? Or could you have a DG2 without the limitation? Do we need to check for that instead of blanket removal of UHBR 13.5 for DG2? BR, Jani. -- Jani Nikula, Intel