From nobody Sat May 10 06:35:35 2025 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=pass(p=none dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1619519281; cv=none; d=zohomail.com; s=zohoarc; b=DFsWxzcijeOdUrVvLxBI+RppKROnhIxBxls6D5QHMvAgLLKJwyvcCK5cBBQT+pRFIfopKhb78ecEskM3MTodq6uECbYXgeJfxTxu333ePzop1fYsVrMLgc0aEPkC86N0de0+iZPPvjOhXZGHPYLdtLvEbnqItthBxywsw39dVDc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1619519281; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Sender:Subject:To; bh=BuwcTYPwGYDW3c0oOtdiznPuZRdk2NS/Nrlapzzvj3A=; b=kmLhCjtUVnyXlyrqAbmbctTnqyxlTypj6DN0cKYHfWm3uxlDq8S24A4OWrCpiV93reUpfk9zdPkeSW5rpkqOflYb/DpKcdz40A50ckWyg37oiHV7FU3vlMssi/8CmQtggfOo50iweIJghxwXToQZHbe0N+TBgHgcgo/xVV8UQUY= ARC-Authentication-Results: i=1; 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=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mx.zohomail.com with SMTP id 1619519281375864.1155901420476; Tue, 27 Apr 2021 03:28:01 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236735AbhD0K2l (ORCPT ); Tue, 27 Apr 2021 06:28:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:48138 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235435AbhD0K2C (ORCPT ); Tue, 27 Apr 2021 06:28:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 04262613C7; Tue, 27 Apr 2021 10:27:15 +0000 (UTC) Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKvu-000nzG-Ro; Tue, 27 Apr 2021 12:27:10 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619519236; bh=/e5UeIJiSAmhayjaD9UYfjSrnpizVQ2PnDpNxKl2/+A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KkykQfPooUdW8MA0VwbO7dz14rqXn1dm5gOHEOLQDuawdcXjO5xbUgaP+Y8iOQLhV psz+0pguVumRSPLnBiZ67uXgvvVt310sGRRbHlWP+ctgzGkgDrQk1v1zwO6Q56cRGD eeRpgu6PJFTQSZsKbxzxDREwWzL4XF2fSXMzRTKr8qd5AftNMhHOVneQh2L6aag6jH cAckoUc83ZHnFUG61QCWJR788Urg6EEMDkc1AEARvq97cF1v2AL+zraQvR8juS9yH/ ukQIin8P3zAnAsRFJnGfJ9fbLIqfBmdvZFbTGsoRfQde7qGv/mayieWt99cRuaCY+L etRezsYsMlM+A== From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Andy Gross , Bjorn Andersson , Hans Verkuil , Mauro Carvalho Chehab , Stanimir Varbanov , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v3 01/79] media: venus: fix PM runtime logic at venus_sys_error_handler() Date: Tue, 27 Apr 2021 12:25:51 +0200 Message-Id: <6d463d21f0dd55c3d84db0458c7a5c4e0d7c5bc1.1619519080.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: Mauro Carvalho Chehab 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) Content-Type: text/plain; charset="utf-8" The venus_sys_error_handler() assumes that pm_runtime was able to resume, as it does things like: while (pm_runtime_active(core->dev_dec) || pm_runtime_active(core->dev_enc= )) msleep(10); Well, if, for whatever reason, this won't happen, the routine won't do what's expected. So, check for the returned error condition, warning if it returns an error. Fixes: af2c3834c8ca ("[media] media: venus: adding core part and helper fun= ctions") Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/venus/core.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platf= orm/qcom/venus/core.c index 54bac7ec14c5..c80c27c87ccc 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -84,7 +84,11 @@ static void venus_sys_error_handler(struct work_struct *= work) container_of(work, struct venus_core, work.work); int ret =3D 0; =20 - pm_runtime_get_sync(core->dev); + ret =3D pm_runtime_get_sync(core->dev); + if (WARN_ON(ret < 0)) { + pm_runtime_put_noidle(core->dev); + return; + } =20 hfi_core_deinit(core, true); =20 @@ -106,9 +110,13 @@ static void venus_sys_error_handler(struct work_struct= *work) =20 hfi_reinit(core); =20 - pm_runtime_get_sync(core->dev); + ret =3D pm_runtime_get_sync(core->dev); + if (WARN_ON(ret < 0)) { + pm_runtime_put_noidle(core->dev); + return; + } =20 - ret |=3D venus_boot(core); + ret =3D venus_boot(core); ret |=3D hfi_core_resume(core, true); =20 enable_irq(core->irq); --=20 2.30.2