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Sat, 2 Apr 2022 05:23:23 +0000 From: Liu Ying To: linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 resend 1/5] drm/bridge: nwl-dsi: Set PHY mode in nwl_dsi_mode_set() Date: Sat, 2 Apr 2022 13:24:47 +0800 Message-Id: <20220402052451.2517469-2-victor.liu@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220402052451.2517469-1-victor.liu@nxp.com> References: <20220402052451.2517469-1-victor.liu@nxp.com> X-ClientProxiedBy: SI2P153CA0008.APCP153.PROD.OUTLOOK.COM (2603:1096:4:140::19) 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: f8e59d9e-c2aa-4a94-cbbe-08da1468e839 X-MS-TrafficTypeDiagnostic: PAXPR04MB8750: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: m/fpQx1VkOIGpS0qoxkCM+4jgz2N4GavVVxgCx/T4mKOs0Q4ISIxW+5J8QnrvZjHbt5UaBpAAzawoSHjcQc8+5xUGEiauV0VERmVex816/tJcVfK89aAOkBZ+W8LE1t8tEBVXCJ1+4mehrRo9wp/+3HiIa9emZaxT+Wrk1yXrpujjsGpAjLBRoLWPm4RsnbG1By4Vkk75xXpBrTo6F6dluveP5eC8wZjNx1vu5z4YrE26du1rFF/K/53KfqVEJjgEdile6D9X3IkuOhK1U4wHITa0ea2IOmgzhVrd2+PXv/Q9IoJLNaX4nUS8DoIf6gAd3c7eJjp4TqAa5qZQAoIsnvWjEP/xD1AJZywsCU1UHrbvje77xb78FbAJPXVEkolFKg0Pd0KpXWdQi+KqtrpPl9dpSpcdwlqSHBDg000HJUfZ7DkT0/dpLxNJK8foBFwl2Mkzkn3AOQ2cPOFunX9s0ULaHQwCdUZfOfXEi+W83LMlSwnNeY5A1tNBfqpQFhp7YfB0n/aehZ4zRbKEQQm64fSKbquS//WKg5K2oZaUTZvwHOoepkf4Sfey7zhBym1q31XEbaDe4o1sbsBD4WeQpN+phYRa4mL08f056up/+syLgcBJHZEVP1eWh1OX0l+oe2o9syk/jJyODQUDGWyuX9OzoppgQmxtkNVo1FxnGuZ9swHGkt2j3CTiQMr2ZATW/D/jh147JZfEes8jjP7Sg== 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 --- 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. * Resend with Andrzej's and Jernej's mail addressed updated. 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 a7389a0facfb..5fbfc68a46a5 100644 --- a/drivers/gpu/drm/bridge/nwl-dsi.c +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -673,6 +673,12 @@ 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);