From patchwork Fri Sep 10 10:12:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 508991 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 BC169C433F5 for ; Fri, 10 Sep 2021 10:13:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A752C610C8 for ; Fri, 10 Sep 2021 10:13:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232727AbhIJKPC (ORCPT ); Fri, 10 Sep 2021 06:15:02 -0400 Received: from wnew4-smtp.messagingengine.com ([64.147.123.18]:39421 "EHLO wnew4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232640AbhIJKO5 (ORCPT ); Fri, 10 Sep 2021 06:14:57 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.west.internal (Postfix) with ESMTP id A4ED42B013E1; Fri, 10 Sep 2021 06:13:44 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Fri, 10 Sep 2021 06:13:46 -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=NN3eBrtri6Inn 2bzE3OGtV8ML/5ceQ1O31aiU9aFohA=; b=Z88z88SED5vFpCDjnObQErA0pyWmg wLXICelTOpGbHutyUeqSQUSMebOupABh4WQq+OnVTiFKW2Au2Mv2KnaozZquxfoT vByU7gKGKsioZGQOmO4AqSONRI5rIuANJ0juqIAK9joP5A/uyKqHE/iZGK8HuBVn TgmFqpeJYob6je4Ou+N29tQrHl+ppGNrD99PULei4zbRY5jLonfVgD5CDbLBIG0v ARZ+Gw+hNba8ixXnd6xIeRUNyMPovWYTFY088hriyYB8llgcOtFyGeTBlojcDDOl FcSuQwG40ZKLvnDl1VLvCmfgLPUo4SNKNfsB59nsH9LWFJ/194zKt2IAQ== 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=NN3eBrtri6Inn2bzE3OGtV8ML/5ceQ1O31aiU9aFohA=; b=tDC/wOId MfzkQdPc5bAj4JzMbe7XLUKfyq/lzxcEklfmhCvnSunwBPqjVuFMSLnLBMan8Lsy gGVrGAnDiKmVV5zDES/yFBEocTbgtdhLBnpDzqqYsKmnXs1CTZSpmWdBZymmfGTc qJJY3dPpNt4GzA2u2bBqvNEL7IBmAQBo8nrPc6iiwBL2Oywf1eW7wirTlR4DMRvZ epcnettFPXDFCFR01TubsOIHhf9cgoyim3WoBQHCmTLWron48dTQgixcjmXXkKYf pkcUEKJ4e6zeeyTyqiqQwarGErQJc6PTqzgmVymCAxDdW2OJmhFdbZdnJNKINt6S 1x/Fkb/84gPgbQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrudeguddgvdegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepvdekleevfeffkeejhfffueelteelfeduieefheduudfggffhhfffheevveeh hedvnecuvehluhhsthgvrhfuihiivgepfeenucfrrghrrghmpehmrghilhhfrhhomhepmh grgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 10 Sep 2021 06:13:43 -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 14/24] drm/bridge: lt9611uxc: Register and attach our DSI device at probe Date: Fri, 10 Sep 2021 12:12:08 +0200 Message-Id: <20210910101218.1632297-15-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-samsung-soc@vger.kernel.org In order to avoid any probe ordering issue, the best practice is to move the secondary MIPI-DSI device registration and attachment to the MIPI-DSI host at probe time. Let's do this. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 31 +++++++++++++--------- 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index e5083bdf4c89..78c4175e0a12 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -364,18 +364,6 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge, return ret; } - /* Attach primary DSI */ - lt9611uxc->dsi0 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi0_node); - if (IS_ERR(lt9611uxc->dsi0)) - return PTR_ERR(lt9611uxc->dsi0); - - /* Attach secondary DSI, if specified */ - if (lt9611uxc->dsi1_node) { - lt9611uxc->dsi1 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi1_node); - if (IS_ERR(lt9611uxc->dsi1)) - return PTR_ERR(lt9611uxc->dsi1); - } - return 0; } @@ -955,8 +943,27 @@ static int lt9611uxc_probe(struct i2c_client *client, drm_bridge_add(<9611uxc->bridge); + /* Attach primary DSI */ + lt9611uxc->dsi0 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi0_node); + if (IS_ERR(lt9611uxc->dsi0)) { + ret = PTR_ERR(lt9611uxc->dsi0); + goto err_remove_bridge; + } + + /* Attach secondary DSI, if specified */ + if (lt9611uxc->dsi1_node) { + lt9611uxc->dsi1 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi1_node); + if (IS_ERR(lt9611uxc->dsi1)) { + ret = PTR_ERR(lt9611uxc->dsi1); + goto err_remove_bridge; + } + } + return lt9611uxc_audio_init(dev, lt9611uxc); +err_remove_bridge: + drm_bridge_remove(<9611uxc->bridge); + err_disable_regulators: regulator_bulk_disable(ARRAY_SIZE(lt9611uxc->supplies), lt9611uxc->supplies);