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=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 655A0C388F9 for ; Thu, 19 Nov 2020 06:15:22 +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 0272C2469D for ; Thu, 19 Nov 2020 06:15:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0272C2469D 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 AA7F06E4E8; Thu, 19 Nov 2020 06:15:15 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 769608996E; Thu, 19 Nov 2020 06:15:14 +0000 (UTC) IronPort-SDR: JwwVFc6tQmdOAOs38VGYBUCbgr9Qd9q+QqYUBfsJBtLbJvZikZApOqshtdBkIrAALC7AKkuzz4 1CWkc53VH43g== X-IronPort-AV: E=McAfee;i="6000,8403,9809"; a="255948757" X-IronPort-AV: E=Sophos;i="5.77,489,1596524400"; d="scan'208";a="255948757" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2020 22:13:07 -0800 IronPort-SDR: 061jBu5h5/fDq1micz04Lnea3pjoO2bPgoIzaF1SZXQODE8/+IFtC/9TYz70015LUZovdiq1Fi ctmHPseS9qYg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,489,1596524400"; d="scan'208";a="363263515" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by fmsmga002.fm.intel.com with ESMTP; 18 Nov 2020 22:13:07 -0800 Received: from bgsmsx605.gar.corp.intel.com (10.67.234.7) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 18 Nov 2020 22:13:06 -0800 Received: from bgsmsx604.gar.corp.intel.com (10.67.234.6) by BGSMSX605.gar.corp.intel.com (10.67.234.7) 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 11:43:03 +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 11:43:03 +0530 From: "Shankar, Uma" To: "Nautiyal, Ankit K" , "intel-gfx@lists.freedesktop.org" Thread-Topic: [PATCH v2 02/13] drm/edid: Parse MAX_FRL field from HFVSDB block Thread-Index: AQHWsDexD5osgKcw70mZLtrVvikt0KnPFWSA Date: Thu, 19 Nov 2020 06:13:03 +0000 Message-ID: References: <20201101100657.12087-1-ankit.k.nautiyal@intel.com> <20201101100657.12087-3-ankit.k.nautiyal@intel.com> In-Reply-To: <20201101100657.12087-3-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 02/13] drm/edid: Parse MAX_FRL field from HFVSDB block 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 02/13] drm/edid: Parse MAX_FRL field from HFVSDB block > > From: Swati Sharma > > This patch parses MAX_FRL field to get the MAX rate in Gbps that the HDMI 2.1 > panel can support in FRL mode. Source need this field to determine the optimal > rate between the source and sink during FRL training. > > v2: Fixed minor bugs, and removed extra wrapper function (Uma Shankar) Reviewed-by: Uma Shankar > Signed-off-by: Sharma, Swati2 > Signed-off-by: Ankit Nautiyal > --- > drivers/gpu/drm/drm_edid.c | 44 +++++++++++++++++++++++++++++++++++++ > include/drm/drm_connector.h | 6 +++++ > 2 files changed, 50 insertions(+) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index > 631125b46e04..26797868ea5b 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -4849,6 +4849,41 @@ static void drm_parse_vcdb(struct drm_connector > *connector, const u8 *db) > info->rgb_quant_range_selectable = true; } > > +static > +void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 > +*max_rate_per_lane) { > + switch (max_frl_rate) { > + case 1: > + *max_lanes = 3; > + *max_rate_per_lane = 3; > + break; > + case 2: > + *max_lanes = 3; > + *max_rate_per_lane = 6; > + break; > + case 3: > + *max_lanes = 4; > + *max_rate_per_lane = 6; > + break; > + case 4: > + *max_lanes = 4; > + *max_rate_per_lane = 8; > + break; > + case 5: > + *max_lanes = 4; > + *max_rate_per_lane = 10; > + break; > + case 6: > + *max_lanes = 4; > + *max_rate_per_lane = 12; > + break; > + case 0: > + default: > + *max_lanes = 0; > + *max_rate_per_lane = 0; > + } > +} > + > static void drm_parse_ycbcr420_deep_color_info(struct drm_connector > *connector, > const u8 *db) > { > @@ -4902,6 +4937,15 @@ static void drm_parse_hdmi_forum_vsdb(struct > drm_connector *connector, > } > } > > + if (hf_vsdb[7]) { > + u8 max_frl_rate; > + > + DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n"); > + max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) > >> 4; > + drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes, > + &hdmi->max_frl_rate_per_lane); > + } > + > drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb); } > > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index > 928136556174..f351bf10c076 100644 > --- a/include/drm/drm_connector.h > +++ b/include/drm/drm_connector.h > @@ -207,6 +207,12 @@ struct drm_hdmi_info { > > /** @y420_dc_modes: bitmap of deep color support index */ > u8 y420_dc_modes; > + > + /** @max_frl_rate_per_lane: support fixed rate link */ > + u8 max_frl_rate_per_lane; > + > + /** @max_lanes: supported by sink */ > + u8 max_lanes; > }; > > /** > -- > 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx 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 AA1C8C63697 for ; Thu, 19 Nov 2020 06:15:23 +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 414672469D for ; Thu, 19 Nov 2020 06:15:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 414672469D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D727389FE8; Thu, 19 Nov 2020 06:15:15 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 769608996E; Thu, 19 Nov 2020 06:15:14 +0000 (UTC) IronPort-SDR: JwwVFc6tQmdOAOs38VGYBUCbgr9Qd9q+QqYUBfsJBtLbJvZikZApOqshtdBkIrAALC7AKkuzz4 1CWkc53VH43g== X-IronPort-AV: E=McAfee;i="6000,8403,9809"; a="255948757" X-IronPort-AV: E=Sophos;i="5.77,489,1596524400"; d="scan'208";a="255948757" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2020 22:13:07 -0800 IronPort-SDR: 061jBu5h5/fDq1micz04Lnea3pjoO2bPgoIzaF1SZXQODE8/+IFtC/9TYz70015LUZovdiq1Fi ctmHPseS9qYg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,489,1596524400"; d="scan'208";a="363263515" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by fmsmga002.fm.intel.com with ESMTP; 18 Nov 2020 22:13:07 -0800 Received: from bgsmsx605.gar.corp.intel.com (10.67.234.7) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 18 Nov 2020 22:13:06 -0800 Received: from bgsmsx604.gar.corp.intel.com (10.67.234.6) by BGSMSX605.gar.corp.intel.com (10.67.234.7) 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 11:43:03 +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 11:43:03 +0530 From: "Shankar, Uma" To: "Nautiyal, Ankit K" , "intel-gfx@lists.freedesktop.org" Subject: RE: [PATCH v2 02/13] drm/edid: Parse MAX_FRL field from HFVSDB block Thread-Topic: [PATCH v2 02/13] drm/edid: Parse MAX_FRL field from HFVSDB block Thread-Index: AQHWsDexD5osgKcw70mZLtrVvikt0KnPFWSA Date: Thu, 19 Nov 2020 06:13:03 +0000 Message-ID: References: <20201101100657.12087-1-ankit.k.nautiyal@intel.com> <20201101100657.12087-3-ankit.k.nautiyal@intel.com> In-Reply-To: <20201101100657.12087-3-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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Kulkarni, Vandita" , "dri-devel@lists.freedesktop.org" , "Sharma, Swati2" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" > -----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 02/13] drm/edid: Parse MAX_FRL field from HFVSDB block > > From: Swati Sharma > > This patch parses MAX_FRL field to get the MAX rate in Gbps that the HDMI 2.1 > panel can support in FRL mode. Source need this field to determine the optimal > rate between the source and sink during FRL training. > > v2: Fixed minor bugs, and removed extra wrapper function (Uma Shankar) Reviewed-by: Uma Shankar > Signed-off-by: Sharma, Swati2 > Signed-off-by: Ankit Nautiyal > --- > drivers/gpu/drm/drm_edid.c | 44 +++++++++++++++++++++++++++++++++++++ > include/drm/drm_connector.h | 6 +++++ > 2 files changed, 50 insertions(+) > > diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index > 631125b46e04..26797868ea5b 100644 > --- a/drivers/gpu/drm/drm_edid.c > +++ b/drivers/gpu/drm/drm_edid.c > @@ -4849,6 +4849,41 @@ static void drm_parse_vcdb(struct drm_connector > *connector, const u8 *db) > info->rgb_quant_range_selectable = true; } > > +static > +void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 > +*max_rate_per_lane) { > + switch (max_frl_rate) { > + case 1: > + *max_lanes = 3; > + *max_rate_per_lane = 3; > + break; > + case 2: > + *max_lanes = 3; > + *max_rate_per_lane = 6; > + break; > + case 3: > + *max_lanes = 4; > + *max_rate_per_lane = 6; > + break; > + case 4: > + *max_lanes = 4; > + *max_rate_per_lane = 8; > + break; > + case 5: > + *max_lanes = 4; > + *max_rate_per_lane = 10; > + break; > + case 6: > + *max_lanes = 4; > + *max_rate_per_lane = 12; > + break; > + case 0: > + default: > + *max_lanes = 0; > + *max_rate_per_lane = 0; > + } > +} > + > static void drm_parse_ycbcr420_deep_color_info(struct drm_connector > *connector, > const u8 *db) > { > @@ -4902,6 +4937,15 @@ static void drm_parse_hdmi_forum_vsdb(struct > drm_connector *connector, > } > } > > + if (hf_vsdb[7]) { > + u8 max_frl_rate; > + > + DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n"); > + max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) > >> 4; > + drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes, > + &hdmi->max_frl_rate_per_lane); > + } > + > drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb); } > > diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index > 928136556174..f351bf10c076 100644 > --- a/include/drm/drm_connector.h > +++ b/include/drm/drm_connector.h > @@ -207,6 +207,12 @@ struct drm_hdmi_info { > > /** @y420_dc_modes: bitmap of deep color support index */ > u8 y420_dc_modes; > + > + /** @max_frl_rate_per_lane: support fixed rate link */ > + u8 max_frl_rate_per_lane; > + > + /** @max_lanes: supported by sink */ > + u8 max_lanes; > }; > > /** > -- > 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel