From patchwork Fri Sep 10 10:12:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 12484801 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6CE9C433F5 for ; Fri, 10 Sep 2021 10:14:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C16976108B for ; Fri, 10 Sep 2021 10:14:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232643AbhIJKPe (ORCPT ); Fri, 10 Sep 2021 06:15:34 -0400 Received: from wnew4-smtp.messagingengine.com ([64.147.123.18]:60885 "EHLO wnew4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232473AbhIJKPY (ORCPT ); Fri, 10 Sep 2021 06:15:24 -0400 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.west.internal (Postfix) with ESMTP id CAE6C2B013EB; Fri, 10 Sep 2021 06:14:11 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Fri, 10 Sep 2021 06:14:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm3; bh=6oSOGrV3c51E2 vx3kAJOM4HAYluSnWowEHh3mzTFbPI=; b=nkONDs10kcf4P2uJCO3xoPwIjQ/1W CJvIljhSC5JqaSIUTiAvqMhFnm61F6l0YwyvQhZCciUf1DHQwEhEkiOuSnQcPRF0 DC5Mgeq/+YJekbmCflecCq4+SL7JARUF5+QB2taUcpc7NZX8I0q5WNIwxazZBicc +EmkrDn5nkuXKeqsm0jtMKYDyQzCOcSuoIJy7RlbXBLfdJnwnmy8HGE0JZNwF7cx Uohb+DlryhaxwwEZkXOw787JQoDH3SrlHmnKPSXMACoiUZSSfWIz/sUk1w7Zgv6D AKcjeZEANFgf6FFU8QEDKdw2hI2gS1zCPJPQShXXY/zPxqsgSFahOiJmA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=6oSOGrV3c51E2vx3kAJOM4HAYluSnWowEHh3mzTFbPI=; b=QW6oPdy0 +fngzonTtpe0TwIh1RZaktq4NtEZ44teKFkQ4z5yr90Hs0OuV6PD/cqIqcfq72zv w/Wn26V9AfvwkdEgvnr8HSfIpmNfVK3r6oNAFU2wtdj/wGSrWletdRRVBCB8cyVi 74kKOFMWuWp1Wf6yOio6ptkgymBLHag43jMHyeqHeh8DpF3u1LiH3YRn75KXPQxI ltdW5dr69RBSijT3i/bKgq4WDdxjJRAL0GhIwUx/M/sybZK7XSQxaccbtbok3cXp Li4gSqukEfKQKmvYMEw0WUHET2Ktf/CQsssEQ/Ae6suNw6olGPaqrZeYkjQstnwO pCZ0S0zs5fegdw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrudeguddgvdegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepvdekleevfeffkeejhfffueelteelfeduieefheduudfggffhhfffheevveeh hedvnecuvehluhhsthgvrhfuihiivgepgeenucfrrghrrghmpehmrghilhhfrhhomhepmh grgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 10 Sep 2021 06:14:09 -0400 (EDT) From: Maxime Ripard To: Andrzej Hajda , Sam Ravnborg , Daniel Vetter , David Airlie , Jonas Karlman , Laurent Pinchart , Thierry Reding , Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard , Neil Armstrong , Robert Foss , Jernej Skrabec Cc: Sean Paul , freedreno@lists.freedesktop.org, Kyungmin Park , linux-kernel@vger.kernel.org, Xinliang Liu , Seung-Woo Kim , Tian Tao , Inki Dae , linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rob Clark , dri-devel@lists.freedesktop.org, John Stultz , Chen Feng , Xinwei Kong , Joonyoung Shim Subject: [PATCH v4 19/24] drm/bridge: sn65dsi86: Switch to devm MIPI-DSI helpers Date: Fri, 10 Sep 2021 12:12:13 +0200 Message-Id: <20210910101218.1632297-20-maxime@cerno.tech> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210910101218.1632297-1-maxime@cerno.tech> References: <20210910101218.1632297-1-maxime@cerno.tech> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Let's switch to the new devm MIPI-DSI function to register and attach our secondary device. This also avoids leaking the device when we detach the bridge. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 41d48a393e7f..b5662269ff95 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -674,6 +674,7 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge, struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge); struct mipi_dsi_host *host; struct mipi_dsi_device *dsi; + struct device *dev = pdata->dev; const struct mipi_dsi_device_info info = { .type = "ti_sn_bridge", .channel = 0, .node = NULL, @@ -713,7 +714,7 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge, goto err_dsi_host; } - dsi = mipi_dsi_device_register_full(host, &info); + dsi = devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) { DRM_ERROR("failed to create dsi device\n"); ret = PTR_ERR(dsi); @@ -726,16 +727,16 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge, dsi->mode_flags = MIPI_DSI_MODE_VIDEO; /* check if continuous dsi clock is required or not */ - pm_runtime_get_sync(pdata->dev); + pm_runtime_get_sync(dev); regmap_read(pdata->regmap, SN_DPPLL_SRC_REG, &val); - pm_runtime_put_autosuspend(pdata->dev); + pm_runtime_put_autosuspend(dev); if (!(val & DPPLL_CLK_SRC_DSICLK)) dsi->mode_flags |= MIPI_DSI_CLOCK_NON_CONTINUOUS; - ret = mipi_dsi_attach(dsi); + ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { DRM_ERROR("failed to attach dsi to host\n"); - goto err_dsi_attach; + goto err_dsi_host; } pdata->dsi = dsi; @@ -746,14 +747,10 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge, ret = drm_bridge_attach(bridge->encoder, pdata->next_bridge, &pdata->bridge, flags); if (ret < 0) - goto err_dsi_detach; + goto err_dsi_host; return 0; -err_dsi_detach: - mipi_dsi_detach(dsi); -err_dsi_attach: - mipi_dsi_device_unregister(dsi); err_dsi_host: drm_connector_cleanup(&pdata->connector); err_conn_init: @@ -1236,11 +1233,6 @@ static void ti_sn_bridge_remove(struct auxiliary_device *adev) if (!pdata) return; - if (pdata->dsi) { - mipi_dsi_detach(pdata->dsi); - mipi_dsi_device_unregister(pdata->dsi); - } - drm_bridge_remove(&pdata->bridge); of_node_put(pdata->host_node);