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Wed, 2 Mar 2022 12:10:02 +0000 From: Xin Ji To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter Subject: [PATCH] drm/bridge: anx7625: Set downstream sink into normal status Date: Wed, 2 Mar 2022 20:09:25 +0800 Message-Id: <20220302120925.4153592-1-xji@analogixsemi.com> X-Mailer: git-send-email 2.25.1 X-ClientProxiedBy: HK2PR0302CA0009.apcprd03.prod.outlook.com (2603:1096:202::19) To BY5PR04MB6739.namprd04.prod.outlook.com (2603:10b6:a03:229::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 41365ec4-eef1-4212-1d6d-08d9fc459400 X-MS-TrafficTypeDiagnostic: BN8PR04MB5905:EE_ X-Microsoft-Antispam-PRVS: 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:255.255.255.255; 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Signed-off-by: Xin Ji Reviewed-by: Pin-Yen Lin --- drivers/gpu/drm/bridge/analogix/anx7625.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 9aab879a8851..963eaf73ecab 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -919,12 +919,20 @@ static void anx7625_dp_start(struct anx7625_data *ctx) { int ret; struct device *dev = &ctx->client->dev; + u8 data; if (!ctx->display_timing_valid) { DRM_DEV_ERROR(dev, "mipi not set display timing yet.\n"); return; } + dev_info(dev, "set downstream sink into normal\n"); + /* Downstream sink enter into normal mode */ + data = 1; + ret = anx7625_aux_trans(ctx, DP_AUX_NATIVE_WRITE, 0x000600, 1, &data); + if (ret < 0) + dev_err(dev, "IO error : set sink into normal mode fail\n"); + /* Disable HDCP */ anx7625_write_and(ctx, ctx->i2c.rx_p1_client, 0xee, 0x9f);