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Sat, 3 Mar 2018 19:06:18 -0500 Received: from mail-sn1nam01on0122.outbound.protection.outlook.com ([104.47.32.122]:11440 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933620AbeCCWbN (ORCPT ); Sat, 3 Mar 2018 17:31:13 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Chen-Yu Tsai , Maxime Ripard , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 016/219] drm/sun4i: Set drm_crtc.port to the underlying TCON's output port node Thread-Topic: [PATCH AUTOSEL for 4.9 016/219] drm/sun4i: Set drm_crtc.port to the underlying TCON's output port node Thread-Index: AQHTsz7lVKqi4LdPLECQMZm1gYgWIg== Date: Sat, 3 Mar 2018 22:28:04 +0000 Message-ID: <20180303222716.26640-16-alexander.levin@microsoft.com> References: <20180303222716.26640-1-alexander.levin@microsoft.com> In-Reply-To: <20180303222716.26640-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MW2PR2101MB0970;6:EprVds+eCpNT8Sg4GGerUhYCfYifPh0m/q759EjYLWxTcHWdO50fQGUda4iUYKVQjQtWnj7+QSl9xixe43xp4sJF0LhV38gN9FioU9NqYUQRo2Bp/Azsvc1vbPpziesz1lFi5V5rpNNMkpxcCDl+TcXNPRL0f9P1qrhsAxtgJCNIRmhdILUWF27NvqJtjD0HZHjyqUteZne84Em50zc6vOq5UbhRd5dvgAgOKnsz5Krmtq2sQrNUZJ+bM9mSgc9pkl967pGwJ+SEATEJIkojjIO7vP1s4C0x+J+LjNImGNB0s5ljqZ5Mflp32e5R70wTu8jzb9GK65ceUozs7Tp39A4cFHp96AqozSPLIgLmBcUttIEerstbi5daPdoTKIE0;5:mPsBM2YgCtQ/fhjNKATTtUmvGZPls8ILzd71jS+fAiFJ2bV5iJU9y+gEBCLwQwlUqLOmllB5dMUpXkEEFOCI4E8rcHWkNnBKBv5W7ft+b4oYcKrbdC+ngQrrkr3wi7CmwSziPQipjBzQkF9ga+AFaO11f+MboHi3XClmF1wLqe0=;24:eSQQg9DxLx/OkBWgAUSVO1CHKB+xMvelQEoODGTipx6cKDQetY2ODH2E7tR8ovJVE8aC12eT+rwMktjUGb0zbv2J3xPT+5xinEJ4PTI2w8o=;7:NbE33UHenx0B5wCJs3PQ8j2GGYPZtL3ATYha52lpe10Sg0m6uV3bi23X0PqiRNKX8m7wuQ5sz0lRsErFRRYdq+DgFbUcfKVuKvtcEfMYTfzstBEQhaiMrb5iPqiwo34onuzoJ+n0v43U94hTb/78zkCl8tdYhm7vGJYVrUBxbRxb7AyFfQuLqmnujaC0MndXhl+AoU65WVG4sWZ13v2PSXM3kH4cxQlVnJvM5yT93bI9H/LFicETtmFVXLw8JHFp x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 4b610082-9ff1-4d1b-6dae-08d5815674c9 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB0970; 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x-microsoft-antispam-message-info: 7nlufsXBcBOMvYQWWfPQBwO2/z16H0qI0sf3PStKlJK3gUbKXkZBiaww6mcZBuIrnD/duRlS7dOuk29i6Js8MM7lP1uBmyPfY2AGhHnTVZ7V0bc48cll7Qe6pv+l0BfJH5Yprjv6ffWnTAT4PPq2jD890/fSZdo70DFbSx3PaOQ= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4b610082-9ff1-4d1b-6dae-08d5815674c9 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:28:04.7287 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB0970 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Chen-Yu Tsai [ Upstream commit 7544860733d158e3edbf309f27e79e258c8f66bd ] The way drm_of_find_possible_crtcs works is it tries to match the remote-endpoint of the given node's various endpoints to all the crtc's .port field. Thus we need to set drm_crtc.port to the output port node of the underlying TCON. Signed-off-by: Chen-Yu Tsai Signed-off-by: Maxime Ripard Signed-off-by: Sasha Levin --- drivers/gpu/drm/sun4i/sun4i_crtc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun= 4i_crtc.c index 4a192210574f..caba0311c86c 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include =20 @@ -136,5 +137,9 @@ struct sun4i_crtc *sun4i_crtc_init(struct drm_device *d= rm) =20 drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs); =20 + /* Set crtc.port to output port node of the tcon */ + scrtc->crtc.port =3D of_graph_get_port_by_id(drv->tcon->dev->of_node, + 1); + return scrtc; } --=20 2.14.1