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 09337C36010 for ; Fri, 4 Apr 2025 12:34:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B12BB10E092; Fri, 4 Apr 2025 12:34:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="SpAi7642"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A86810E092; Fri, 4 Apr 2025 12:34:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743770080; x=1775306080; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=eoi1bXreYOdRlCVAgzwbHQvMQ62II81oeZvol3t4Fjs=; b=SpAi7642rWV2+6+pZ1RiBF7QHhT08ypbeN/CaLfTqDamziAcZqakiHc8 9RvvE6pEtL/JBgrEQktemKCDC+vDNFV5tPAXk0kBeMZso2bqW13nVPvuf 8b4zY+YKgrgeeoLysdPtbT/uA8l6yvCui1c58EY61yNkLu3u2uDD+pmCo H4f7HarT3CZOmHYImZBNf4NnsMzJ24FA5C+EfyPXnj93tOUnQhUGoe5II aNi+ukNq2d8nAgh3iedMaw0NK7fuz71CD3MFrkJUTz726n+nvgWhbWuoA JvADlUJs5DauaFkWMZWsQN81uE3ufiDpZsGzpVK6dPqmAb64jvSJqouEq Q==; X-CSE-ConnectionGUID: jmRcjmiyRs298olyNsx6zg== X-CSE-MsgGUID: jDw0G5jvTtm5PpB5pTKbbA== X-IronPort-AV: E=McAfee;i="6700,10204,11393"; a="55841648" X-IronPort-AV: E=Sophos;i="6.15,188,1739865600"; d="scan'208";a="55841648" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2025 05:34:39 -0700 X-CSE-ConnectionGUID: QEXCURfsTwuAy+aom5u6YA== X-CSE-MsgGUID: 4EPH64BtRRCUeXKuBRcFlQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,188,1739865600"; d="scan'208";a="127282348" Received: from mjarzebo-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.234]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Apr 2025 05:34:37 -0700 From: Jani Nikula To: Arun R Murthy , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: imre.deak@intel.com, Arun R Murthy Subject: Re: [PATCH v5 1/2] drm/i915/display/dp: Remove support for UHBR13.5 In-Reply-To: <20250404-dprates-v5-1-c93f561a095e@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20250404-dprates-v5-0-c93f561a095e@intel.com> <20250404-dprates-v5-1-c93f561a095e@intel.com> Date: Fri, 04 Apr 2025 15:34:34 +0300 Message-ID: <87r028yujp.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain 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" On Fri, 04 Apr 2025, Arun R Murthy wrote: > The retimer issue for UHBR13.5 is fixed in BMG. As I said before, I don't even know what "the retimer issue" was. It's never been explained anywhere. Please explain it to me. And don't send a new version of the patch. BR, Jani. > So for all platforms lesser than BMG(XE2_HPD/DISPLAY_VERx100 1401) > disable UHBR13.5. > commit caf3d748f646 ("drm/i915/dp: Remove support for UHBR13.5") > removes UHBR13.5 for MTL. > > v2: Reframed the commit msg (Jani) > v4: Reframed the commit msg & update the max rate supported (Jani) > v5: Reframed the commit msg (Jani) > > Signed-off-by: Arun R Murthy > --- > drivers/gpu/drm/i915/display/intel_dp.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index f21f9b441fc2a4e644c69410e6ec6b3d37907478..92bca701a989b03e2ad4b3d9e7d0a9ef12567e5a 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -481,7 +481,7 @@ bool intel_dp_has_joiner(struct intel_dp *intel_dp) > > static int dg2_max_source_rate(struct intel_dp *intel_dp) > { > - return intel_dp_is_edp(intel_dp) ? 810000 : 1350000; > + return intel_dp_is_edp(intel_dp) ? 810000 : 1000000; > } > > static int icl_max_source_rate(struct intel_dp *intel_dp) > @@ -550,7 +550,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) > }; > static const int icl_rates[] = { > 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000, > - 1000000, 1350000, > + 1000000, > }; > static const int bxt_rates[] = { > 162000, 216000, 243000, 270000, 324000, 432000, 540000 -- Jani Nikula, Intel