From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 466FEC5AD4C for ; Wed, 15 Nov 2023 20:57:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235019AbjKOU5f (ORCPT ); Wed, 15 Nov 2023 15:57:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235393AbjKOU5Y (ORCPT ); Wed, 15 Nov 2023 15:57:24 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6061219F for ; Wed, 15 Nov 2023 12:57:20 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5408DC3277E; Wed, 15 Nov 2023 20:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700081332; bh=VYmoS7hIaiL6xUH+NNLe8QVhSW8D439j3tvxm5be3EI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aBmiprtoHA9LFHCXZ1ZDTrygD8BuJyqJ0eF6lFc4FlzyCwftWSQDe6BKG6tbJ17Se pdt0v/QBboMcD3RqV3Ancqh66gnrBWBQsLeo76DVCtQV9+kJ33+BfFzvk1RGjCPYFQ ftf7+uGjRu9B0qd7GhgEbu6aI8W7y+dtHYjkhjLY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sam Ravnborg , Maxime Ripard , Sasha Levin Subject: [PATCH 5.15 089/244] drm/bridge: lt8912b: Register and attach our DSI device at probe Date: Wed, 15 Nov 2023 15:34:41 -0500 Message-ID: <20231115203553.699521100@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115203548.387164783@linuxfoundation.org> References: <20231115203548.387164783@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Maxime Ripard [ Upstream commit d89078c37b10f05fa4f4791b71db2572db361b68 ] 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. Acked-by: Sam Ravnborg Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20211025151536.1048186-7-maxime@cerno.tech Stable-dep-of: 941882a0e96d ("drm/bridge: lt8912b: Fix bridge_detach") Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/lontium-lt8912b.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index 24ca22b0b9f56..6ad3b2d1819f1 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -552,10 +552,6 @@ static int lt8912_bridge_attach(struct drm_bridge *bridge, if (ret) goto error; - ret = lt8912_attach_dsi(lt); - if (ret) - goto error; - lt->is_attached = true; return 0; @@ -714,8 +710,15 @@ static int lt8912_probe(struct i2c_client *client, drm_bridge_add(<->bridge); + ret = lt8912_attach_dsi(lt); + if (ret) + goto err_attach; + return 0; +err_attach: + drm_bridge_remove(<->bridge); + lt8912_free_i2c(lt); err_i2c: lt8912_put_dt(lt); err_dt_parse: -- 2.42.0