Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Received-SPF: SoftFail (protection.outlook.com: domain of transitioning
 cadence.com discourages use of 158.140.1.28 as permitted sender)
X-CrossPremisesHeadersFilteredBySendConnector: maileu3.global.cadence.com
Received: from maileu3.global.cadence.com (10.160.88.99) by
 maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id
 15.0.1367.3; Tue, 3 Jul 2018 12:03:53 +0200
Received: from lvloginb.cadence.com (10.165.177.11) by
 maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server id
 15.0.1367.3 via Frontend Transport; Tue, 3 Jul 2018 12:03:53 +0200
Received: from lvloginb.cadence.com (localhost [127.0.0.1])
        by lvloginb.cadence.com (8.14.4/8.14.4) with ESMTP id w63A3aB2029955;
        Tue, 3 Jul 2018 11:03:36 +0100
Received: (from dkos@localhost)
        by lvloginb.cadence.com (8.14.4/8.14.4/Submit) id w63A3aXg029954;
        Tue, 3 Jul 2018 11:03:36 +0100
From:   Damian Kos <dkos@cadence.com>
To:     David Airlie <airlied@linux.ie>, Rob Herring <robh+dt@kernel.org>,
        "Mark Rutland" <mark.rutland@arm.com>,
        Gustavo Padovan <gustavo@padovan.org>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Sean Paul <seanpaul@chromium.org>,
        Sandy Huang <hjc@rock-chips.com>,
        =?UTF-8?q?Heiko=20St=C3=BCbner?= <heiko@sntech.de>,
        Damian Kos <dkos@cadence.com>,
        <dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-rockchip@lists.infradead.org>
CC:     <ltyrala@cadence.com>, <pgaj@cadence.com>, <stelford@cadence.com>,
        "Quentin Schulz" <quentin.schulz@free-electrons.com>
Subject: [PATCH 08/12] drm/dp: add max number of lanes supported
Date:   Tue, 3 Jul 2018 11:02:19 +0100
Message-ID: <1530612152-27555-9-git-send-email-dkos@cadence.com>
X-Mailer: git-send-email 1.9.0
In-Reply-To: <1530612152-27555-1-git-send-email-dkos@cadence.com>
References: <1530612152-27555-1-git-send-email-dkos@cadence.com>
MIME-Version: 1.0
Content-Type: text/plain
X-OrganizationHeadersPreserved: maileu3.global.cadence.com
X-EOPAttributedMessage: 0
X-Forefront-Antispam-Report: CIP:158.140.1.28;IPV:CAL;SCL:-1;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(376002)(136003)(346002)(39860400002)(396003)(2980300002)(3190300001)(199004)(189003)(36092001)(16586007)(42186006)(26826003)(54906003)(110136005)(6666003)(316002)(486006)(48376002)(87636003)(478600001)(50466002)(426003)(50226002)(47776003)(305945005)(8676002)(11346002)(7636002)(2201001)(2906002)(5660300001)(4326008)(246002)(76176011)(8936002)(26005)(356003)(186003)(446003)(106466001)(36756003)(476003)(336012)(126002)(105596002)(2616005)(51416003)(7416002)(86362001)(921003)(1121003)(2101003)(83996005);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR07MB4712;H:sjmaillnx2.cadence.com;FPR:;SPF:SoftFail;LANG:en;PTR:corp.cadence.com;A:1;MX:1;
X-Microsoft-Exchange-Diagnostics: 1;BY2NAM05FT058;1:mgD2KY7hEMtaR974ck4V4yjfENeFc3k+I5o0JNfpESmrhyd31FjtylCOSCnXMODl94cuF7GKcKTYJq0EBKskycvcUn65HxBLQuiUqBL6u3gEWRpBVLppnmrTpBsqcLTU
X-MS-PublicTrafficType: Email
X-MS-Office365-Filtering-Correlation-Id: 07823dde-1d83-4ce4-a3ee-08d5e0cc40b6
X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989117)(5600053)(711020)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(2017052603328)(7153060);SRVR:BYAPR07MB4712;
X-Microsoft-Exchange-Diagnostics: 1;BYAPR07MB4712;3:ayuDtYq8UV2XLi7lTe2HEDHHvF0dXX/IUMDsGQb6zqCN4hzceDDXS/iI+CnpNrVy9g241vZ/wXsltiW7Cf8rwL0HGmof3rUhx8zLPUDOLox1v0XPCOdOzbB9AOI0m9Fy8OFnMXQAhD656k79htC8q+dgGOdp5bNq09G8FT/R7VW7VTM56XMiFzFf56hX965Jh2+sMFrnWocf5wXzk1qmYVUWiMNgCVCAfZuNiaMDmyffcguWlU0H0ul6CQXhTwhk7m64RkMCsJ57mUNiz5idFSp6GtFTxqw7e8h9nGRybAE3u8VJwxasD2RlukGZqtIhQCJiUe2kgmWceClX9Hipp1Ax/cP0+RL9RTtds6CqOiA=;25:3xyHmDE+VwjZKq8reuq9/OWktYBpfg1Q0V4kHWFrVEsXLIoenzFrjVDzXKVGBhE86WDpWBCb8qGrhxDtHLbOCZfgBQNPYQFGVaQvQs/TUpHlrHdn+BGVCiPvVerq/afr1IPcq2RgxT4dqGAQHdId+WEdVmdCc3Z3xg1BOMKHwtWrmnzK5v8m+14KAL6Ul05V80yP+Ny1ptPIM8TLYbKmXohE9e5ENtPnWJE5jlbJ5YO2vMi/3NJn1lJw26iXDrHlYPF78PijEJrUCCLsK9iSMFBZ3+hQcdEziWBzLLDCCjuKkIadjhxhxH3Pja70lyqwX/DBQzPAKdjQuawWx/3/kA==
X-MS-TrafficTypeDiagnostic: BYAPR07MB4712:
X-Microsoft-Exchange-Diagnostics: 1;BYAPR07MB4712;31:SOBqPcZfmehpOji+YrBfEgN3q0Zj0yK0JOMKERCAXsRzwvqBGoWeA+aYVZhm3bbkzghYm8A8xqM3N/FRv2AfEd7G9wlm3LjzOE23u2raUEFkDdg0/U5Ua2W3i4ibUTbbK51TuZW8PmGz51q1IWRi0ZM3dityVGtWqbKwJey4opEIuTUSXDePwHY4qqlyzOY/em8XIR21/VOU0MG05RWFMpYJXbyafeZwyyhoHftaHi8=;20: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
X-Microsoft-Antispam-PRVS: <BYAPR07MB471237046BA4CEC1FA8E9402CD420@BYAPR07MB4712.namprd07.prod.outlook.com>
X-Exchange-Antispam-Report-Test: UriScan:(58145275503218)(72806322054110);
X-MS-Exchange-SenderADCheck: 1
X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(5005006)(8121501046)(3002001)(10201501046)(3231254)(944501410)(52105095)(93006095)(93003095)(149027)(150027)(6041310)(20161123558120)(20161123562045)(20161123564045)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(6072148)(201708071742011)(7699016);SRVR:BYAPR07MB4712;BCL:0;PCL:0;RULEID:;SRVR:BYAPR07MB4712;
X-Microsoft-Exchange-Diagnostics: 1;BYAPR07MB4712;4:o1p2ntcgbjXiPWrMxLdYp3MSH4Tq8h0NRdaf6CTA4L+UK2cUkeJ5/nUD5G6T/mUghnZoGMrrQNxapaUEzobsTSRrsY/fpe2hnhoV1T/yFiHUQ/34k/XGOqrLUn1wx3USgRLFzLEzY2lp3hkZAJO5Zg5oAxHGYatbLXrlFjmJfPQ8JaaeFpX1d5pQhbnvJA/gmYMHkc3f/SFZWMYqS96oPngkqmBAbYfb98aPb12As/IrnXeEg+mHFw4QsXTLquCBG3ObxTfbNQT4/+P6egJGemruTyQJh6eXMUcB7aqpzfJUqVjtMd9KNt/pR0jLzWT+NWjNipiuBpD04Eyq/3Ombw==
X-Forefront-PRVS: 0722981D2A
X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1;BYAPR07MB4712;23:m/YhR2er9reRAUbs+iERRKpuj/nC5Fua8o14GO3VS?=
 =?us-ascii?Q?Rp85FESC5LQLhgOGKBCmQyRtb5yNw3LkwDLI2V3xEkwytW0vKDB80JUHZzcU?=
 =?us-ascii?Q?KXCQygTE7UFpHRDaHlIhqnHlldaCHGGBdS7oZQfZGw479zogrpKYxZNHQuwm?=
 =?us-ascii?Q?8GBjXP9fsMZANv2f4o+OfzHNxPuqAX9rAFnEzfnfszsxH4G6MeWS/YyyFnae?=
 =?us-ascii?Q?PvH3xOq/UOkdWuhWzY0hwpAAgo2bLBG8R4C5szpA6kWveYA/LQqmAGr/UtZp?=
 =?us-ascii?Q?mbZmq+TqWpZWTu+1Nbnzd4XpbAxwtv//gbJNC6weDf+ihEztlREap8KqlYP0?=
 =?us-ascii?Q?qGrNqVqqAo6ZAtekPqwtHvYba5lEwjM8AZ9ITWd+VNVsEEzJlplB1KRaKMn9?=
 =?us-ascii?Q?RkcxK9Vx9pqW6tlHh97X+k75+T40VFO383mhpAzC3BOoAsGWLvS6CWGWoPld?=
 =?us-ascii?Q?o8wnuI89NJcDZvEnOA6e/88rimbiARna0MJYmUW9OThzI77b0eEDKevBjfWV?=
 =?us-ascii?Q?dc56He60Liyhbioxp7nfPBcp4SgCwb2MW0eywUp62CD7r9VFlXLMAi8Diamj?=
 =?us-ascii?Q?bz4qPEaLXwUtfLkQwSkBPBsdtK+2TEzlqAnnY6EEZ+LXn0hmt5VZ8tjeo7ib?=
 =?us-ascii?Q?CtJ0/i+VW+tECPQbGbL2YFOyViTD8NxUdnk/XYiz2GwJQpJ+ycmjm2R3i4B+?=
 =?us-ascii?Q?EjCprpCGbeIerkRR32VC61dp2KXnsyJomz3puyeY15tDjK2Z7lPoYbjgQcUr?=
 =?us-ascii?Q?wg9fT59SXWHiuL07woIk7OgmB5LpObHBL7wM/msaDmftff11IOi52dvPe4nY?=
 =?us-ascii?Q?2baDlFFIzUXR88q9MpOI7l1D8jnHmgqrv5tXPTlUFzdjnjWUGF/3zW6x+VHd?=
 =?us-ascii?Q?Sw6jZd/B+/62G70ssJHymLDdVN0jr9Nto3e1LJ0EM1q/Pq/Rcqmcb5Q79JWi?=
 =?us-ascii?Q?L3w3VwQMWyuLKjsI14AGeOBPqUkIxBoEIX6dIAW8vE7gbcZ0nbjHDOxCUDCo?=
 =?us-ascii?Q?MoVwhfkHranlcxyDNDcTupSNwIkccA3jtICsbFr4OnQnVGUAeO3rx9qUB3M7?=
 =?us-ascii?Q?paBgvGQL0nRxfLr03tBAG2Q7LJTmeHlDyVqc+DkXjZu/fQ2SjQD+z4YAc/OR?=
 =?us-ascii?Q?CmPFRKwl03/xEDQhHDzAJ4As9iw1Hlgogi766q9IAiidgQmn2HAAXGyS7rWU?=
 =?us-ascii?Q?rau5O3sXDBanUE=3D?=
X-Microsoft-Antispam-Message-Info: smVtFDbZwELFLFT/KBwZt21xQRrD3O3s+9j8epHUplxfhkU+OFoZDjZ00CZUHahw9OMUnkaDs/42HnCd7+QKkv/TPLNMebll286KOrM+C68ns0IzuvDoOoW1gzi3uS4m0hwWoi0f6+aj3tB5yS6MRFD+O4DQIz002q7HPye+ngxngYyNj6irnTNWwtDevxknfyV2BDA3gYyf4yLCbBzXshT2RIuKFKRdzsdZca3wBzY5L9PIMjt1dzY3iOWr4p83X+4DWq/CK8JwEevI/TWnSBdAnvYQ/VbLzLzJYtNZxs5ZpuKwMzfwPOKufO//GxQwogKtirsi96vMr6Wf7Z0tdsPoHwj1QUJukYaFUOAcFAbGS1oCEy6yibuXeVQUBry47TUYRacJ4OucgD/TkOmccw==
X-Microsoft-Exchange-Diagnostics: 1;BYAPR07MB4712;6:4D+HTPtn0TKITaPxl7ub0BRgU5OsTrtK1XmMBB6J9sbkEQaY5OnF5zyc360qhmtA5kpQENqu46yVFHchvv3CPbgYDBoYxxxAIsP1WryPeycXBi26UjfPCAMFaXrz/cF2osamryYMyNXNV8D+UjO1XRR+Ae5QmN5RBQwXI9vX8HJd2bzdNwZOdE7M5jPxrxf7SlmCjRmTlDnQqI69Nwi4BbxEuEFrfjyb3K41Ngi4RHTJJC8Mi40ekqpMixAkiPelpEHL4bkBLoSJUdJk9ltcPGRsnBhc8Mwg8G4cB/HPQn8ji7qrmkN/Hmah3wD9OVTTF8N8zwPt2HQpZVDxv5oBUDloXhHUpOR00oDQVVxpxghm+F3nXKisqrYdWsyWOEB4WglUABgG9jg55Ym9OfuZG63VGIJPVCyt2dwlst/DzDsClb1xmigig149YunxsuAIP9T0PHjUgHeYIk83aTrryg==;5:aiKBJGIfD3P4+HLVl5MPX89MTBwed+o/Iz2UiN8pLDlL8TFFqohYSEWPlSjW4tuqzBK7yRMAdV26pPXWmorltFmi7cLDOwqq96hJplU8esoUeflii47RpaqpSO4oJsXXgJNJqP9vpIKWaoPss73an4Tx+QYBmVr7gM9w+EeCjc8=;24:aghFmRYBjDERAWKMthGZ8+5swb8vl8KkOROYkuVCHTHI1iU6A85wsIAjiqg5i/1m3oAhq+0sC9bwdlKLQh9ohQRbi5yRxu1LQMbOIWgLSy8=
SpamDiagnosticOutput: 1:99
SpamDiagnosticMetadata: NSPM
X-Microsoft-Exchange-Diagnostics: 1;BYAPR07MB4712;7:gZvYNroVfJtWKq1v7XySUGJsWm5VaxcvW8JhQ7ARlvSadmp1IsnYkkAKOrt3NE7K6OX+YeRc5+d5ZR4LcZ+3wOlGefxXTmNJj9XJlICYVs8sD/SpyHr4jERd3eDc5yuVrItVspa7oGgsvOrg9YcCJo6KnG6i4/YQ48JUY+9kbFXVcRcpLlyFD5OcY1hp0P8Dxba9NmE9f5biquzHBICHbse/EuKDwKIM9mC4iLBE7vZME68ish3LF+f5SaRNxO7B;20:s1n//TLR1k0BCF7bVQq2wj6eRCFOY1sdK/sPkfyuX+vuIdk6CYyanu0eJoQEE1pfqpEM3hNC51FPfCpCc26uW/RBkvRhdOEDSLBTimtDGtP7Ng4I0QGmBI7xJaRRp3NNyPuseYBCvYt11fN6l4yZvgmbMoOOCtDHSU1bEnav17b4rfRYtm0s72VcG7/mWj4THILvNPOSbOmoq8QFUpZ6Dzkdml0h1CDUevIvImEzDxbazhFWHAAiBId0MdD2ftOS
X-OriginatorOrg: cadence.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2018 10:03:40.5360
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 07823dde-1d83-4ce4-a3ee-08d5e0cc40b6
X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9;Ip=[158.140.1.28];Helo=[sjmaillnx2.cadence.com]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR07MB4712
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: Quentin Schulz <quentin.schulz@free-electrons.com>

Currently, a maximum of 4 lanes is supported in DP.

It can be useful to add this maximum so that we can e.g. create arrays
in drivers that can store data for several lanes (e.g.
DP_TRAINING_LANEx_SET).

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Signed-off-by: Damian Kos <dkos@cadence.com>
---
 include/drm/drm_dp_helper.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a63a548..accefbb 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -69,6 +69,7 @@
 
 #define DP_MAX_LANE_COUNT                   0x002
 # define DP_MAX_LANE_COUNT_MASK		    0x1f
+# define DP_MAX_NUM_LANES		    4
 # define DP_TPS3_SUPPORTED		    (1 << 6) /* 1.2 */
 # define DP_ENHANCED_FRAME_CAP		    (1 << 7)
 
-- 
1.7.1