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 EC07EC10F16 for ; Mon, 6 May 2024 12:20:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F22CC10EFC2; Mon, 6 May 2024 12:20:58 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="cjiB3DyT"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 72A6510EFC2 for ; Mon, 6 May 2024 12:20:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714998056; x=1746534056; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=IbLLSNtNDy7IWVACxk/F3PTKjUo//E7qoe29Y9wsNC4=; b=cjiB3DyTIJxT2WZ/1uXrY/U3eM8Uq/eVe9LikwKaaYAYyk7s5iLFySM5 OsXBEIxVggOmZGue9LLkF/HUi0gLvGEXrefjpjNVo88t6uo3AHuIKf+Ab ERC4L7qABtLlN2xqGvR/wlGt0KRRYIPTDy3bmg5qzH4dssp/Q9uGaXpDg Ufa0EhWyWGC6divdwyxom9izC/W7AmDT9jPdqhUVSKfN/moFcOEo+lGex 5pdEOeVgTrkfQaixnY+uE1KnaROWHtolG2m2GF1k8nQKC3r21cVAZIpJ0 4QkHws6eWnrarMtIzh030ITJ6OcvNVj+/W22QIen8nCNJC2OqreRUXwmp g==; X-CSE-ConnectionGUID: yDcc0D7yQy23SXEkYcuZPQ== X-CSE-MsgGUID: 2M6y27ltT06kaVrW+c6HAw== X-IronPort-AV: E=McAfee;i="6600,9927,11065"; a="10619016" X-IronPort-AV: E=Sophos;i="6.07,258,1708416000"; d="scan'208";a="10619016" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2024 05:20:56 -0700 X-CSE-ConnectionGUID: ksoDybrHQM6wnWbPL7vZwQ== X-CSE-MsgGUID: n7771CL4SlmOp0QNf+uXuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,258,1708416000"; d="scan'208";a="28160254" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.74]) by fmviesa008.fm.intel.com with SMTP; 06 May 2024 05:20:55 -0700 Received: by stinkbox (sSMTP sendmail emulation); Mon, 06 May 2024 15:20:52 +0300 Date: Mon, 6 May 2024 15:20:52 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: "Murthy, Arun R" Cc: "intel-gfx@lists.freedesktop.org" , "Nikula, Jani" Subject: Re: [PATCH] drm/i915/display/dp: Remove UHBR13.5 for icl Message-ID: References: <20240506090625.2812332-1-arun.r.murthy@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Patchwork-Hint: comment 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 Mon, May 06, 2024 at 12:15:13PM +0000, Murthy, Arun R wrote: > > > -----Original Message----- > > From: Ville Syrjälä > > Sent: Monday, May 6, 2024 5:36 PM > > To: Murthy, Arun R > > Cc: intel-gfx@lists.freedesktop.org; Nikula, Jani > > Subject: Re: [PATCH] drm/i915/display/dp: Remove UHBR13.5 for icl > > > > On Mon, May 06, 2024 at 02:36:25PM +0530, Arun R Murthy wrote: > > > UHBR13.5 is not supported in icl+ as well. This has been removed for > > > mtl by the commit caf3d748f646 ("drm/i915/dp: Remove support for > > > UHBR13.5") > > > > icl/tgl/adl don't support UHBR at all. The numbers are there for dg2 > > presumably, which I think does support this. > As per the recommendation from hardware team this is not supported on DG2 and MTL. That is not what bspec says. > > Thanks and Regards, > Arun R Murthy > ------------------- > > > > > > > > Signed-off-by: Arun R Murthy > > > --- > > > drivers/gpu/drm/i915/display/intel_dp.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > > > b/drivers/gpu/drm/i915/display/intel_dp.c > > > index 163da48bc406..7098ca65701f 100644 > > > --- a/drivers/gpu/drm/i915/display/intel_dp.c > > > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > > > @@ -507,7 +507,7 @@ 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 > > > -- > > > 2.25.1 > > > > -- > > Ville Syrjälä > > Intel -- Ville Syrjälä Intel