From patchwork Mon Jun 12 17:13:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Escande X-Patchwork-Id: 9782465 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8422560352 for ; Mon, 12 Jun 2017 17:15:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6806D2847B for ; Mon, 12 Jun 2017 17:15:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5C68B28500; Mon, 12 Jun 2017 17:15:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC7032847B for ; Mon, 12 Jun 2017 17:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753092AbdFLRPZ (ORCPT ); Mon, 12 Jun 2017 13:15:25 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:60262 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753860AbdFLRNf (ORCPT ); Mon, 12 Jun 2017 13:13:35 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: tescande) with ESMTPSA id B08E426BA4C From: Thierry Escande To: Andrzej Pietrasiewicz , Jacek Anaszewski , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 6/6] [media] s5p-jpeg: Add stream error handling for Exynos5420 Date: Mon, 12 Jun 2017 19:13:25 +0200 Message-Id: <1497287605-20074-7-git-send-email-thierry.escande@collabora.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1497287605-20074-1-git-send-email-thierry.escande@collabora.com> References: <1497287605-20074-1-git-send-email-thierry.escande@collabora.com> MIME-Version: 1.0 Content-Transfert-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: henryhsu On Exynos5420, the STREAM_STAT bit raised on the JPGINTST register means there is a syntax error or an unrecoverable error on compressed file when ERR_INT_EN is set to 1. Fix this case and report BUF_STATE_ERROR to videobuf2. Signed-off-by: Henry-Ruey Hsu Signed-off-by: Thierry Escande --- drivers/media/platform/s5p-jpeg/jpeg-core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 3d90a63..1a07a82 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -2790,6 +2790,7 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) unsigned long payload_size = 0; enum vb2_buffer_state state = VB2_BUF_STATE_DONE; bool interrupt_timeout = false; + bool stream_error = false; u32 irq_status; spin_lock(&jpeg->slock); @@ -2806,6 +2807,11 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) jpeg->irq_status |= irq_status; + if (irq_status & EXYNOS3250_STREAM_STAT) { + stream_error = true; + dev_err(jpeg->dev, "Syntax error or unrecoverable error occurred.\n"); + } + curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); if (!curr_ctx) @@ -2822,7 +2828,7 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id) EXYNOS3250_RDMA_DONE | EXYNOS3250_RESULT_STAT)) payload_size = exynos3250_jpeg_compressed_size(jpeg->regs); - else if (interrupt_timeout) + else if (interrupt_timeout || stream_error) state = VB2_BUF_STATE_ERROR; else goto exit_unlock;