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Thu, 14 Apr 2022 06:47:28 +0000 From: Liu Ying To: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 1/5] drm/bridge: nwl-dsi: Set PHY mode in nwl_dsi_mode_set() Date: Thu, 14 Apr 2022 14:48:54 +0800 Message-Id: <20220414064858.405096-2-victor.liu@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220414064858.405096-1-victor.liu@nxp.com> References: <20220414064858.405096-1-victor.liu@nxp.com> X-ClientProxiedBy: SI2PR06CA0005.apcprd06.prod.outlook.com (2603:1096:4:186::12) To AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 51dc4fe1-8f9a-4cba-71a7-08da1de2a434 X-MS-TrafficTypeDiagnostic: AS1PR04MB9381: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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So, this patch calls phy_set_mode() from nwl_dsi_mode_set() to set PHY mode to MIPI DPHY explicitly. Cc: Guido Günther Cc: Robert Chiras Cc: Martin Kepplinger Cc: Andrzej Hajda Cc: Neil Armstrong Cc: Laurent Pinchart Cc: Jonas Karlman Cc: Jernej Skrabec Cc: David Airlie Cc: Daniel Vetter Cc: NXP Linux Team Signed-off-by: Liu Ying Reviewed-by: Guido Günther --- v6->v7: * No change. v5->v6: * Rebase the series upon v5.17-rc1. * Set PHY mode in ->mode_set() instead of ->pre_enable() in the nwl-dsi bridge driver due to the rebase. * Drop Guido's R-b tag due to the rebase. v4->v5: * No change. v3->v4: * No change. v2->v3: * No change. v1->v2: * Add Guido's R-b tag. drivers/gpu/drm/bridge/nwl-dsi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c index d5945501a5ee..85bab7372af1 100644 --- a/drivers/gpu/drm/bridge/nwl-dsi.c +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -666,6 +666,12 @@ static int nwl_dsi_mode_set(struct nwl_dsi *dsi) return ret; } + ret = phy_set_mode(dsi->phy, PHY_MODE_MIPI_DPHY); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to set DSI phy mode: %d\n", ret); + goto uninit_phy; + } + ret = phy_configure(dsi->phy, phy_cfg); if (ret < 0) { DRM_DEV_ERROR(dev, "Failed to configure DSI phy: %d\n", ret);