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 ECFDAC77B6E for ; Thu, 13 Apr 2023 19:57:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3CBBB10EC13; Thu, 13 Apr 2023 19:57:33 +0000 (UTC) Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2087.outbound.protection.outlook.com [40.107.244.87]) by gabe.freedesktop.org (Postfix) with ESMTPS id D133F10EBFD for ; Thu, 13 Apr 2023 19:57:31 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Fq9PXtaeSgmV4xe+4iTsQabRJTEJj7ETxS0RDNlOr2IYSQlQmqyvkjtoJAd6qX37ZxHqib9c7waGuhoGQrgdcHZEPnbpsRnC1yuRUbdZ9bbfJuaLCLw5+y6GkfriAW917B4ZZ2acad5oYV4oDlMb0EQe14K4V3w3ycxQjqyLMwvXxA2lAYuEbyhwSGCZmnFq8xWsB2t2AHO4JPlNN1K0nNo4a+uw12B7Q0pPD5Gj2Db6Vxseq1DZFS9xJnDJHH5jlRUWRuqcLkGzQT33tl8UuPGznfVOfey9iA+CDdanmymro699BHsCauAC/EazJ6tzMZZZT/u95ZdrCxfnYd/+1Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=zBCpCL8XhDGx26FXPMnYGccSkhTM1us8IY+cOSVlJGk=; b=LUqeWl0mG806RpeWkudsfuYSkkpgIzH3i4wEC1+Ux6zPwqjBv/fkSHAS9swA6MZoFhekmaeEWG/eBdb5rIeB4nzBHM9IpoO1lcOPqEhM6ouK0UgY20LXfAEovWX7LwAgvM1mUOAaScBrPJk5s4r4xtn81zqyI72HBBlsPSBk/OcaaNF07cz4/TMGH/JocP5qnLtfukYmLxwO9vfh6noDpXGc+gUd3LNZJy9/JYnxtEHjdZK7mKzSU1sNn0A2X2OcikTkplqChnXtSHQHK1t18CVTJD3WtT9K+3RNP5G4boJgOuBZT6yytVq5oFJzCnKEGuVEmhiVJgvfTsHlyHm0fg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.freedesktop.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zBCpCL8XhDGx26FXPMnYGccSkhTM1us8IY+cOSVlJGk=; b=MS4sk7DKO/3oSfBs3OcpOVWyidrZMCWDGFGYszTFquBRqghZQEztWFfGnSwwe3FsRyiYXv89h1mOQVkBlhYjErKgl8CNx93K+TIFi5myFMCQzz6vgRlH5SxQSZhRlkhnHXFw5Ble7Kw/PgFgTCninz27TuwtHiOx4e8ROpEimxU= Received: from DM6PR08CA0066.namprd08.prod.outlook.com (2603:10b6:5:1e0::40) by CY5PR12MB6203.namprd12.prod.outlook.com (2603:10b6:930:24::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6298.30; Thu, 13 Apr 2023 19:57:29 +0000 Received: from DM6NAM11FT042.eop-nam11.prod.protection.outlook.com (2603:10b6:5:1e0:cafe::c2) by DM6PR08CA0066.outlook.office365.com (2603:10b6:5:1e0::40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6298.32 via Frontend Transport; Thu, 13 Apr 2023 19:57:28 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT042.mail.protection.outlook.com (10.13.173.165) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6298.33 via Frontend Transport; Thu, 13 Apr 2023 19:57:28 +0000 Received: from TRX40-1.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 13 Apr 2023 14:57:26 -0500 From: Srinivasan Shanmugam To: Fangzhi Zuo , Aurabindo Pillai Subject: [PATCH] drm/amd/display: Add logging when DP link training Channel EQ is Successful Date: Fri, 14 Apr 2023 01:26:35 +0530 Message-ID: <20230413195635.2368590-1-srinivasan.shanmugam@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT042:EE_|CY5PR12MB6203:EE_ X-MS-Office365-Filtering-Correlation-Id: 70e5bdf2-1e69-4336-12bd-08db3c594f99 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230028)(4636009)(396003)(136003)(39860400002)(346002)(376002)(451199021)(46966006)(36840700001)(40470700004)(110136005)(86362001)(44832011)(54906003)(40460700003)(6636002)(478600001)(356005)(81166007)(316002)(82740400003)(41300700001)(8676002)(8936002)(5660300002)(70206006)(4326008)(70586007)(40480700001)(26005)(36756003)(1076003)(426003)(336012)(16526019)(36860700001)(186003)(6666004)(2906002)(83380400001)(47076005)(2616005)(7696005)(82310400005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Apr 2023 19:57:28.7463 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 70e5bdf2-1e69-4336-12bd-08db3c594f99 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT042.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6203 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Srinivasan Shanmugam , amd-gfx@lists.freedesktop.org Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Log when Channel Equalization is successful, and DP link training completed. Cc: Aurabindo Pillai Cc: Fangzhi Zuo Signed-off-by: Srinivasan Shanmugam --- .../display/dc/link/protocols/link_dp_training_128b_132b.c | 2 ++ .../amd/display/dc/link/protocols/link_dp_training_8b_10b.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c index 23d380f09a21..db9abb7ceeb9 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c @@ -118,6 +118,8 @@ static enum link_training_result dp_perform_128b_132b_channel_eq_done_sequence( } else if (dp_is_ch_eq_done(lt_settings->link_settings.lane_count, dpcd_lane_status)) { /* pass */ + DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__); + DC_LOG_HW_LINK_TRAINING("DP 128b/132b Link Training successful\n"); break; } else if (loop_count >= lt_settings->eq_loop_count_limit) { result = DP_128b_132b_MAX_LOOP_COUNT_REACHED; diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c index 14b98e096d39..41b38da9feb4 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c @@ -337,8 +337,11 @@ enum link_training_result perform_8b_10b_channel_equalization_sequence( /* 6. check CHEQ done*/ if (dp_is_ch_eq_done(lane_count, dpcd_lane_status) && dp_is_symbol_locked(lane_count, dpcd_lane_status) && - dp_is_interlane_aligned(dpcd_lane_status_updated)) + dp_is_interlane_aligned(dpcd_lane_status_updated)) { + DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__); + DC_LOG_HW_LINK_TRAINING("DP 8b/10b Link Training successful\n"); return LINK_TRAINING_SUCCESS; + } /* 7. update VS/PE/PC2 in lt_settings*/ dp_decide_lane_settings(lt_settings, dpcd_lane_adjust, -- 2.25.1