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=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 32934C6369E for ; Thu, 19 Nov 2020 11:19:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id CEA8822201 for ; Thu, 19 Nov 2020 11:19:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CEA8822201 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EEB3889CC1; Thu, 19 Nov 2020 11:19:14 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8151789CAF; Thu, 19 Nov 2020 11:19:13 +0000 (UTC) IronPort-SDR: 6QcFFaDz+utY6f+Vy8jV+xZ6pR7dg5+m6TXzJgBDGjRnGpmsdeq3N7CR7am7N3Kmh+ccZ/zj0g c9jwm9vLQy0g== X-IronPort-AV: E=McAfee;i="6000,8403,9809"; a="189358883" X-IronPort-AV: E=Sophos;i="5.77,490,1596524400"; d="scan'208";a="189358883" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2020 03:19:13 -0800 IronPort-SDR: gVEP3ZOt1e/71ABITg2nAYCuaxGMIZb/XygCNH6WPKBfo58oPaQseJd7mKlSQ0jrZVKp387Q93 I34OJAzjiyHQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,490,1596524400"; d="scan'208";a="533139020" Received: from fmsmsx601.amr.corp.intel.com ([10.18.126.81]) by fmsmga006.fm.intel.com with ESMTP; 19 Nov 2020 03:19:13 -0800 Received: from bgsmsx602.gar.corp.intel.com (10.109.78.81) by fmsmsx601.amr.corp.intel.com (10.18.126.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 19 Nov 2020 03:19:11 -0800 Received: from bgsmsx604.gar.corp.intel.com (10.67.234.6) by BGSMSX602.gar.corp.intel.com (10.109.78.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Thu, 19 Nov 2020 16:49:09 +0530 Received: from bgsmsx604.gar.corp.intel.com ([10.67.234.6]) by BGSMSX604.gar.corp.intel.com ([10.67.234.6]) with mapi id 15.01.1713.004; Thu, 19 Nov 2020 16:49:09 +0530 From: "Shankar, Uma" To: "Nautiyal, Ankit K" , "intel-gfx@lists.freedesktop.org" Thread-Topic: [PATCH v2 09/13] drm/i915: Check for FRL training before DP Link training Thread-Index: AQHWsDe7iuZ6jTKFmU2VGW8ZdALZB6nPawyQ Date: Thu, 19 Nov 2020 11:19:09 +0000 Message-ID: References: <20201101100657.12087-1-ankit.k.nautiyal@intel.com> <20201101100657.12087-10-ankit.k.nautiyal@intel.com> In-Reply-To: <20201101100657.12087-10-ankit.k.nautiyal@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 x-originating-ip: [10.223.10.1] MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH v2 09/13] drm/i915: Check for FRL training before DP Link training 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: , Cc: "dri-devel@lists.freedesktop.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" > -----Original Message----- > From: Nautiyal, Ankit K > Sent: Sunday, November 1, 2020 3:37 PM > To: intel-gfx@lists.freedesktop.org > Cc: dri-devel@lists.freedesktop.org; Shankar, Uma ; > Kulkarni, Vandita ; ville.syrjala@linux.intel.com; > Sharma, Swati2 > Subject: [PATCH v2 09/13] drm/i915: Check for FRL training before DP Link > training > > This patch calls functions to check FRL training requirements for an HDMI2.1 sink, > when connected through PCON. > The call is made before the DP link training. In case FRL is not required or failure > during FRL training, the TMDS mode is selected for the pcon. > > v2: moved check_frl_training() just after FEC READY, before starting DP link > training. Reviewed-by: Uma Shankar > Signed-off-by: Ankit Nautiyal > --- > drivers/gpu/drm/i915/display/intel_ddi.c | 2 ++ > drivers/gpu/drm/i915/display/intel_dp.c | 2 ++ > 2 files changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c > b/drivers/gpu/drm/i915/display/intel_ddi.c > index 09811be08cfe..3e76fb1117df 100644 > --- a/drivers/gpu/drm/i915/display/intel_ddi.c > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c > @@ -3492,6 +3492,8 @@ static void tgl_ddi_pre_enable_dp(struct > intel_atomic_state *state, > */ > intel_dp_sink_set_fec_ready(intel_dp, crtc_state); > > + intel_dp_check_frl_training(intel_dp); > + > /* > * 7.i Follow DisplayPort specification training sequence (see notes for > * failure handling) > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index 7feee2adf9b2..9047b620c0d0 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -4183,6 +4183,7 @@ static void intel_enable_dp(struct intel_atomic_state > *state, > > intel_dp_set_power(intel_dp, DP_SET_POWER_D0); > intel_dp_configure_protocol_converter(intel_dp); > + intel_dp_check_frl_training(intel_dp); > intel_dp_start_link_train(intel_dp, pipe_config); > intel_dp_stop_link_train(intel_dp, pipe_config); > > @@ -6104,6 +6105,7 @@ int intel_dp_retrain_link(struct intel_encoder > *encoder, > !intel_dp_mst_is_master_trans(crtc_state)) > continue; > > + intel_dp_check_frl_training(intel_dp); > intel_dp_start_link_train(intel_dp, crtc_state); > intel_dp_stop_link_train(intel_dp, crtc_state); > break; > -- > 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx