From nobody Sat May 4 05:57:00 2024 Delivered-To: importer2@patchew.org Received-SPF: pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; envelope-from=linux-kernel-owner@vger.kernel.org; helo=vger.kernel.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail(p=none dis=none) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mx.zohomail.com with SMTP id 1641379716190811.0894820657983; Wed, 5 Jan 2022 02:48:36 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239488AbiAEKse (ORCPT ); Wed, 5 Jan 2022 05:48:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbiAEKsd (ORCPT ); Wed, 5 Jan 2022 05:48:33 -0500 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DBB9C061761 for ; Wed, 5 Jan 2022 02:48:33 -0800 (PST) Received: by mail-pg1-x535.google.com with SMTP id 200so35194667pgg.3 for ; Wed, 05 Jan 2022 02:48:33 -0800 (PST) Received: from localhost.localdomain ([159.226.95.43]) by smtp.googlemail.com with ESMTPSA id 27sm34878181pgx.81.2022.01.05.02.48.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jan 2022 02:48:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id; bh=nBmNBAQ4hWVtra8c2jSUbNZPXDwdJxy3lN7QmYn/eTU=; b=FrtT2pI+Irbd3Aj5ERh5/QdY2C+8WwZYcvyoiDoOBHzPkv5svtVS9sDDfWwsvvNclT q08BZAfQ7cv8v89JJHnEY+LZijGtgJ9287Oqrt1pI4DC46DgPM3M4ZxwkDZwrBpkE+8q Qqo+CRHXSwiLUAAUsTqalYkrecvWqX83vUgKlXDaFMbPDuEVNrRtFA/TBcCNtY/y48Ff vf2aiXH+truLbK6Ny003rLCWMbAal1vU/HK3eUlpZRyuGbraQDqGYLXJf8faOlkJ4IuI ga/+PAGCXBjg//NJlNF2sRIf8aS8fjS2qlbadbgR8DFyWfs0i9FKhyhWD+N/6lm+oGN4 Zfog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=nBmNBAQ4hWVtra8c2jSUbNZPXDwdJxy3lN7QmYn/eTU=; b=1o9BCBg0//HCJEx4ZL/wl3+gB52JOyoKlv1RUnRH5JjByrwepRut+PI4o8YfSUrohh kgi5+SKIALKjWJrsb5Seezk9LUxHAYUw40We0S1Xu4wVvB8iLOnlh3M/waph57xbhvuF f9gB6BqTBWFX2eMJfqJOGoPDPdRNAMRyEFgZh2QP10NvSjpsvdRS8g7kUuq08K8J2Qqf 8xjTfpY8UTBozZBssvxTbtV9l2+U6AA/TH6o5V14Bbm1tgIxRfclTpcJR8CZLltqHQmY QURFPXEljE3rzQzBckOiyFKErQKLaiRke7WK3zuW4x0xH6DJM6E3r4lfprFnFUxMM0Gu k2ig== X-Gm-Message-State: AOAM532tUMs5p0Tq8JJFHg6tQmt0fIDQ9IHAK/yk6G6LcezshCgJxjj2 A/342raBcaSwjzDMaOmgqgQ= X-Google-Smtp-Source: ABdhPJyRYj9zO9mX7/fkJBF4fCaILWvFlHOwDxKg4WhdQkF5WcUHW0h4c7JZWHsQOCyNDd96N6HP2Q== X-Received: by 2002:a05:6a00:198a:b0:4bb:4621:f074 with SMTP id d10-20020a056a00198a00b004bb4621f074mr54759563pfl.69.1641379713067; Wed, 05 Jan 2022 02:48:33 -0800 (PST) From: Miaoqian Lin Cc: linmq006@gmail.com, Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Fabio Estevam , =?UTF-8?q?Guido=20G=C3=BCnther?= , Robert Chiras , Sam Ravnborg , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/bridge: nwl-dsi: Fix PM disable depth imbalance in nwl_dsi_probe Date: Wed, 5 Jan 2022 10:48:26 +0000 Message-Id: <20220105104826.1418-1-linmq006@gmail.com> X-Mailer: git-send-email 2.17.1 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1641379718648100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The pm_runtime_enable will increase power disable depth. Thus a pairing decrement is needed on the error handling path to keep it balanced according to context. Fixes: 44cfc62 ("drm/bridge: Add NWL MIPI DSI host controller support") Signed-off-by: Miaoqian Lin --- drivers/gpu/drm/bridge/nwl-dsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-= dsi.c index a7389a0facfb..fc3ad9fab867 100644 --- a/drivers/gpu/drm/bridge/nwl-dsi.c +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -1206,6 +1206,7 @@ static int nwl_dsi_probe(struct platform_device *pdev) =20 ret =3D nwl_dsi_select_input(dsi); if (ret < 0) { + pm_runtime_disable(dev); mipi_dsi_host_unregister(&dsi->dsi_host); return ret; } --=20 2.17.1