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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D29C7C43216 for ; Wed, 4 Aug 2021 14:32:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B458860F94 for ; Wed, 4 Aug 2021 14:32:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238910AbhHDObR (ORCPT ); Wed, 4 Aug 2021 10:31:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236467AbhHDO24 (ORCPT ); Wed, 4 Aug 2021 10:28:56 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A0C0C0617A2; Wed, 4 Aug 2021 07:27:52 -0700 (PDT) Received: from guri.fritz.box (unknown [IPv6:2a02:810a:880:f54:adf4:1f5e:19c9:b75f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dafna) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 3C8FD1F43A32; Wed, 4 Aug 2021 15:27:50 +0100 (BST) From: Dafna Hirschfeld To: linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Cc: dafna.hirschfeld@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, mchehab@kernel.org, tfiga@chromium.org, tiffany.lin@mediatek.com, andrew-ct.chen@mediatek.com, matthias.bgg@gmail.com, hsinyi@chromium.org, maoguang.meng@mediatek.com, irui.wang@mediatek.com, acourbot@chromium.org, Yunfei.Dong@mediatek.com, yong.wu@mediatek.com, eizan@chromium.org Subject: [PATCH 4/5] media: mtk-vcodec: Add two error cases upon vpu irq handling Date: Wed, 4 Aug 2021 16:27:28 +0200 Message-Id: <20210804142729.7231-5-dafna.hirschfeld@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210804142729.7231-1-dafna.hirschfeld@collabora.com> References: <20210804142729.7231-1-dafna.hirschfeld@collabora.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 1. Fail if the function mtk_vcodec_fw_map_dm_addr returns ERR pointer. 2. Fail if the state from the vpu msg is either VEN_IPI_MSG_ENC_STATE_ERROR or VEN_IPI_MSG_ENC_STATE_PART Signed-off-by: Dafna Hirschfeld --- drivers/media/platform/mtk-vcodec/venc_vpu_if.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c index 32dc844d16f9..234705ba7cd6 100644 --- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c +++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c @@ -17,6 +17,8 @@ static int handle_enc_init_msg(struct venc_vpu_inst *vpu, const void *data) vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler, msg->vpu_inst_addr); + if (IS_ERR(vpu->vsi)) + return PTR_ERR(vpu->vsi); /* Firmware version field value is unspecified on MT8173. */ if (vpu->ctx->dev->venc_pdata->chip == MTK_MT8173) return 0; @@ -42,6 +44,12 @@ static int handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data) vpu->state = msg->state; vpu->bs_size = msg->bs_size; vpu->is_key_frm = msg->is_key_frm; + if (vpu->state == VEN_IPI_MSG_ENC_STATE_ERROR || + vpu->state == VEN_IPI_MSG_ENC_STATE_PART) { + mtk_vcodec_err(vpu, "bad ipi-enc-state: %s", + vpu->state == VEN_IPI_MSG_ENC_STATE_ERROR ? "ERR" : "PART"); + return -EINVAL; + } return 0; } -- 2.17.1