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 X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0769AECE588 for ; Tue, 15 Oct 2019 13:53:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D892721848 for ; Tue, 15 Oct 2019 13:53:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732211AbfJONxU (ORCPT ); Tue, 15 Oct 2019 09:53:20 -0400 Received: from mga04.intel.com ([192.55.52.120]:65339 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728880AbfJONxU (ORCPT ); Tue, 15 Oct 2019 09:53:20 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Oct 2019 06:53:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,300,1566889200"; d="scan'208";a="201761691" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by FMSMGA003.fm.intel.com with SMTP; 15 Oct 2019 06:53:15 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 15 Oct 2019 16:53:14 +0300 Date: Tue, 15 Oct 2019 16:53:14 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: "Siqueira, Rodrigo" Cc: "Berthe, Abdoulaye" , "Wentland, Harry" , "Li, Sun peng (Leo)" , Jani Nikula , Manasi Navare , Maarten Lankhorst , Maxime Ripard , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] drm: Add LT-tunable PHY repeater mode operations Message-ID: <20191015135314.GE1208@intel.com> References: <20191015134010.26zwopwnrbsmz5az@outlook.office365.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20191015134010.26zwopwnrbsmz5az@outlook.office365.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 15, 2019 at 01:40:12PM +0000, Siqueira, Rodrigo wrote: > LT-tunable PHY Repeaters can operate in two different modes: transparent > (default) and non-transparent. The value 0x55 specifies the transparent > mode, and 0xaa represents the non-transparent; this commit adds these > two values as definitions. > > Cc: Abdoulaye Berthe > Cc: Harry Wentland > Cc: Leo Li > Cc: Jani Nikula > Cc: Manasi Navare > Cc: Ville Syrjälä > Signed-off-by: Abdoulaye Berthe > Signed-off-by: Rodrigo Siqueira Reviewed-by: Ville Syrjälä > --- > include/drm/drm_dp_helper.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > index bf62b43aaf2b..cfadeeef8492 100644 > --- a/include/drm/drm_dp_helper.h > +++ b/include/drm/drm_dp_helper.h > @@ -1034,6 +1034,10 @@ > #define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */ > #define DP_FEC_STATUS_PHY_REPEATER1 0xf0290 /* 1.4 */ > > +/* Repeater modes */ > +#define DP_PHY_REPEATER_MODE_TRANSPARENT 0x55 /* 1.3 */ > +#define DP_PHY_REPEATER_MODE_NON_TRANSPARENT 0xaa /* 1.3 */ > + > /* DP HDCP message start offsets in DPCD address space */ > #define DP_HDCP_2_2_AKE_INIT_OFFSET DP_HDCP_2_2_REG_RTX_OFFSET > #define DP_HDCP_2_2_AKE_SEND_CERT_OFFSET DP_HDCP_2_2_REG_CERT_RX_OFFSET > -- > 2.23.0 -- Ville Syrjälä Intel