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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, 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 AFC75C10F14 for ; Mon, 8 Apr 2019 11:56:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F7C32063F for ; Mon, 8 Apr 2019 11:56:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726856AbfDHL4E (ORCPT ); Mon, 8 Apr 2019 07:56:04 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:20405 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726708AbfDHLzh (ORCPT ); Mon, 8 Apr 2019 07:55:37 -0400 X-UUID: 0584eef3127847eea5fb13e0e6a3ee58-20190408 X-UUID: 0584eef3127847eea5fb13e0e6a3ee58-20190408 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1042091161; Mon, 08 Apr 2019 19:55:32 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 8 Apr 2019 19:55:30 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 8 Apr 2019 19:55:31 +0800 From: Stu Hsieh To: Mauro Carvalho Chehab , Matthias Brugger CC: Stu Hsieh , , , , , Subject: [PATCH 13/14] [media] mtk-mipicsi: add debug message for mipicsi driver Date: Mon, 8 Apr 2019 19:55:04 +0800 Message-ID: <1554724505-19882-14-git-send-email-stu.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1554724505-19882-1-git-send-email-stu.hsieh@mediatek.com> References: <1554724505-19882-1-git-send-email-stu.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch add debug message for mipicsi driver. Signed-off-by: Stu Hsieh --- .../media/platform/mtk-mipicsi/mtk_mipicsi.c | 54 ++++++++++++++++++- 1 file changed, 52 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index faf9a94d5157..95d25db5e606 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -118,6 +119,15 @@ #define SerDes_support 1 +static int mtk_mipicsi_dbg_level; +#define mtk_mipicsi_dbg(level, fmt, args...) \ + do { \ + if (mtk_mipicsi_dbg_level >= level) \ + pr_info("[MTK_MIPICSI%d] L%d %s %d: " fmt "\n", \ + mipicsi->id, level, __func__, __LINE__, \ + ##args); \ + } while (0) + /* buffer for one video frame */ struct mtk_mipicsi_buf { struct list_head queue; @@ -155,6 +165,8 @@ struct mtk_mipicsi_dev { unsigned long enqueue_cnt; unsigned long dequeue_cnt; struct v4l2_ctrl_handler ctrl_hdl; + struct timespec64 fps_time_cur; + struct timespec64 fps_time_pre; char drv_name[16]; u32 id; int clk_num; @@ -430,6 +442,8 @@ static int mtk_mipicsi_add_device(struct soc_camera_device *icd) mipicsi->width = width; mipicsi->height = height; + mtk_mipicsi_dbg(1, "sub device width/height/bytesperline %d/%d/%d", + width, height, mipicsi->bytesperline); /* * If power domain was closed before, it will be open. @@ -571,6 +585,9 @@ static int mtk_mipicsi_set_fmt(struct soc_camera_device *icd, if (pix->pixelformat == V4L2_PIX_FMT_YUYV) pix->sizeimage = pix->width * pix->height * 2U; + mtk_mipicsi_dbg(0, "width/height/sizeimage %u/%u/%u", + pix->width, pix->height, pix->sizeimage); + if (mf->code != xlate->code) return -EINVAL; @@ -696,6 +713,9 @@ static int mtk_mipicsi_vb2_prepare(struct vb2_buffer *vb) vb2_dma_contig_plane_dma_addr(vb, 0); #endif va = vb2_plane_vaddr(vb, 0); + mtk_mipicsi_dbg(1, "va=%p vb_dma_addr_phy=%lx size=%d", + va, (unsigned long)buf->vb_dma_addr_phy, + vb->planes[0].bytesused); buf->vb = vb; } @@ -741,6 +761,8 @@ static void mtk_mipicsi_vb2_queue(struct vb2_buffer *vb) } ++(mipicsi->enqueue_cnt); + mtk_mipicsi_dbg(2, "enqueue NO.%d buffer(%p). Total %lu buffer", + vb->index, vb, mipicsi->enqueue_cnt); } static int mtk_mipicsi_vb2_start_streaming(struct vb2_queue *vq, @@ -1125,8 +1147,10 @@ static int mtk_mipicsi_pm_resume(struct device *dev) if (mipicsi->larb_pdev != NULL) { ret = mtk_smi_larb_get(mipicsi->larb_pdev); - if (ret != 0) + if (ret != 0) { + mtk_mipicsi_dbg(0, "failed to get larb, err %d", ret); return ret; + } } mtk_mipicsi_ana_clk_enable(mipicsi->ana, true); @@ -1176,6 +1200,7 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) unsigned int next = 0U; u64 offset = 0ULL; u8 link_index = 0U; + long time_interval; void __iomem *base = NULL; dma_addr_t pa; @@ -1185,8 +1210,10 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) i = 0; /* only one buffer left */ - if ((&(mipicsi->fb_list))->next->next == &(mipicsi->fb_list)) + if ((&(mipicsi->fb_list))->next->next == &(mipicsi->fb_list)) { + mtk_mipicsi_dbg(1, "only 1 buffer left, drop frame"); return; + } /*for each fb_lst 2 times to get the top 2 buffer.*/ list_for_each_entry_safe(new_cam_buf, tmp, @@ -1219,6 +1246,27 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) ++(mipicsi->dequeue_cnt); list_del_init(&(mipicsi->cam_buf[index].queue)); + + if (mtk_mipicsi_dbg_level >= 2) { + ktime_get_real_ts64(&(mipicsi->fps_time_cur)); + if (mipicsi->dequeue_cnt == 1) { + mipicsi->fps_time_pre.tv_sec = + mipicsi->fps_time_cur.tv_sec; + mipicsi->fps_time_pre.tv_nsec = + mipicsi->fps_time_cur.tv_nsec; + } else { + time_interval = (mipicsi->fps_time_cur.tv_sec + - mipicsi->fps_time_pre.tv_sec) * 1000000000 + + (mipicsi->fps_time_cur.tv_nsec + - mipicsi->fps_time_pre.tv_nsec); + mtk_mipicsi_dbg(0, "time interval is %ld\n", + time_interval); + mipicsi->fps_time_pre.tv_sec = + mipicsi->fps_time_cur.tv_sec; + mipicsi->fps_time_pre.tv_nsec = + mipicsi->fps_time_cur.tv_nsec; + } + } } static irqreturn_t mtk_mipicsi_isr(int irq, void *data) @@ -1233,6 +1281,7 @@ static irqreturn_t mtk_mipicsi_isr(int irq, void *data) isr_ch = get_irq_channel(mipicsi); if (isr_ch < 0) { + mtk_mipicsi_dbg(0, "no interrupt occur"); spin_unlock_irqrestore(&mipicsi->lock, flags); return IRQ_HANDLED; } @@ -1573,5 +1622,6 @@ static struct platform_driver mtk_mipicsi_driver = { }; module_platform_driver(mtk_mipicsi_driver); +module_param(mtk_mipicsi_dbg_level, int, 0644); MODULE_DESCRIPTION("MediaTek SoC Camera Host driver"); MODULE_LICENSE("GPL v2"); -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stu Hsieh Subject: [PATCH 13/14] [media] mtk-mipicsi: add debug message for mipicsi driver Date: Mon, 8 Apr 2019 19:55:04 +0800 Message-ID: <1554724505-19882-14-git-send-email-stu.hsieh@mediatek.com> References: <1554724505-19882-1-git-send-email-stu.hsieh@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1554724505-19882-1-git-send-email-stu.hsieh@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Mauro Carvalho Chehab , Matthias Brugger Cc: Stu Hsieh , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com List-Id: linux-mediatek@lists.infradead.org This patch add debug message for mipicsi driver. Signed-off-by: Stu Hsieh --- .../media/platform/mtk-mipicsi/mtk_mipicsi.c | 54 ++++++++++++++++++- 1 file changed, 52 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index faf9a94d5157..95d25db5e606 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -118,6 +119,15 @@ #define SerDes_support 1 +static int mtk_mipicsi_dbg_level; +#define mtk_mipicsi_dbg(level, fmt, args...) \ + do { \ + if (mtk_mipicsi_dbg_level >= level) \ + pr_info("[MTK_MIPICSI%d] L%d %s %d: " fmt "\n", \ + mipicsi->id, level, __func__, __LINE__, \ + ##args); \ + } while (0) + /* buffer for one video frame */ struct mtk_mipicsi_buf { struct list_head queue; @@ -155,6 +165,8 @@ struct mtk_mipicsi_dev { unsigned long enqueue_cnt; unsigned long dequeue_cnt; struct v4l2_ctrl_handler ctrl_hdl; + struct timespec64 fps_time_cur; + struct timespec64 fps_time_pre; char drv_name[16]; u32 id; int clk_num; @@ -430,6 +442,8 @@ static int mtk_mipicsi_add_device(struct soc_camera_device *icd) mipicsi->width = width; mipicsi->height = height; + mtk_mipicsi_dbg(1, "sub device width/height/bytesperline %d/%d/%d", + width, height, mipicsi->bytesperline); /* * If power domain was closed before, it will be open. @@ -571,6 +585,9 @@ static int mtk_mipicsi_set_fmt(struct soc_camera_device *icd, if (pix->pixelformat == V4L2_PIX_FMT_YUYV) pix->sizeimage = pix->width * pix->height * 2U; + mtk_mipicsi_dbg(0, "width/height/sizeimage %u/%u/%u", + pix->width, pix->height, pix->sizeimage); + if (mf->code != xlate->code) return -EINVAL; @@ -696,6 +713,9 @@ static int mtk_mipicsi_vb2_prepare(struct vb2_buffer *vb) vb2_dma_contig_plane_dma_addr(vb, 0); #endif va = vb2_plane_vaddr(vb, 0); + mtk_mipicsi_dbg(1, "va=%p vb_dma_addr_phy=%lx size=%d", + va, (unsigned long)buf->vb_dma_addr_phy, + vb->planes[0].bytesused); buf->vb = vb; } @@ -741,6 +761,8 @@ static void mtk_mipicsi_vb2_queue(struct vb2_buffer *vb) } ++(mipicsi->enqueue_cnt); + mtk_mipicsi_dbg(2, "enqueue NO.%d buffer(%p). Total %lu buffer", + vb->index, vb, mipicsi->enqueue_cnt); } static int mtk_mipicsi_vb2_start_streaming(struct vb2_queue *vq, @@ -1125,8 +1147,10 @@ static int mtk_mipicsi_pm_resume(struct device *dev) if (mipicsi->larb_pdev != NULL) { ret = mtk_smi_larb_get(mipicsi->larb_pdev); - if (ret != 0) + if (ret != 0) { + mtk_mipicsi_dbg(0, "failed to get larb, err %d", ret); return ret; + } } mtk_mipicsi_ana_clk_enable(mipicsi->ana, true); @@ -1176,6 +1200,7 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) unsigned int next = 0U; u64 offset = 0ULL; u8 link_index = 0U; + long time_interval; void __iomem *base = NULL; dma_addr_t pa; @@ -1185,8 +1210,10 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) i = 0; /* only one buffer left */ - if ((&(mipicsi->fb_list))->next->next == &(mipicsi->fb_list)) + if ((&(mipicsi->fb_list))->next->next == &(mipicsi->fb_list)) { + mtk_mipicsi_dbg(1, "only 1 buffer left, drop frame"); return; + } /*for each fb_lst 2 times to get the top 2 buffer.*/ list_for_each_entry_safe(new_cam_buf, tmp, @@ -1219,6 +1246,27 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) ++(mipicsi->dequeue_cnt); list_del_init(&(mipicsi->cam_buf[index].queue)); + + if (mtk_mipicsi_dbg_level >= 2) { + ktime_get_real_ts64(&(mipicsi->fps_time_cur)); + if (mipicsi->dequeue_cnt == 1) { + mipicsi->fps_time_pre.tv_sec = + mipicsi->fps_time_cur.tv_sec; + mipicsi->fps_time_pre.tv_nsec = + mipicsi->fps_time_cur.tv_nsec; + } else { + time_interval = (mipicsi->fps_time_cur.tv_sec + - mipicsi->fps_time_pre.tv_sec) * 1000000000 + + (mipicsi->fps_time_cur.tv_nsec + - mipicsi->fps_time_pre.tv_nsec); + mtk_mipicsi_dbg(0, "time interval is %ld\n", + time_interval); + mipicsi->fps_time_pre.tv_sec = + mipicsi->fps_time_cur.tv_sec; + mipicsi->fps_time_pre.tv_nsec = + mipicsi->fps_time_cur.tv_nsec; + } + } } static irqreturn_t mtk_mipicsi_isr(int irq, void *data) @@ -1233,6 +1281,7 @@ static irqreturn_t mtk_mipicsi_isr(int irq, void *data) isr_ch = get_irq_channel(mipicsi); if (isr_ch < 0) { + mtk_mipicsi_dbg(0, "no interrupt occur"); spin_unlock_irqrestore(&mipicsi->lock, flags); return IRQ_HANDLED; } @@ -1573,5 +1622,6 @@ static struct platform_driver mtk_mipicsi_driver = { }; module_platform_driver(mtk_mipicsi_driver); +module_param(mtk_mipicsi_dbg_level, int, 0644); MODULE_DESCRIPTION("MediaTek SoC Camera Host driver"); MODULE_LICENSE("GPL v2"); -- 2.18.0 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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY,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 57470C10F13 for ; Mon, 8 Apr 2019 11:58:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2365E20879 for ; 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Mon, 8 Apr 2019 19:55:31 +0800 From: Stu Hsieh To: Mauro Carvalho Chehab , Matthias Brugger Subject: [PATCH 13/14] [media] mtk-mipicsi: add debug message for mipicsi driver Date: Mon, 8 Apr 2019 19:55:04 +0800 Message-ID: <1554724505-19882-14-git-send-email-stu.hsieh@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1554724505-19882-1-git-send-email-stu.hsieh@mediatek.com> References: <1554724505-19882-1-git-send-email-stu.hsieh@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190408_045546_207715_53C94976 X-CRM114-Status: GOOD ( 16.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Stu Hsieh , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch add debug message for mipicsi driver. Signed-off-by: Stu Hsieh --- .../media/platform/mtk-mipicsi/mtk_mipicsi.c | 54 ++++++++++++++++++- 1 file changed, 52 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index faf9a94d5157..95d25db5e606 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -118,6 +119,15 @@ #define SerDes_support 1 +static int mtk_mipicsi_dbg_level; +#define mtk_mipicsi_dbg(level, fmt, args...) \ + do { \ + if (mtk_mipicsi_dbg_level >= level) \ + pr_info("[MTK_MIPICSI%d] L%d %s %d: " fmt "\n", \ + mipicsi->id, level, __func__, __LINE__, \ + ##args); \ + } while (0) + /* buffer for one video frame */ struct mtk_mipicsi_buf { struct list_head queue; @@ -155,6 +165,8 @@ struct mtk_mipicsi_dev { unsigned long enqueue_cnt; unsigned long dequeue_cnt; struct v4l2_ctrl_handler ctrl_hdl; + struct timespec64 fps_time_cur; + struct timespec64 fps_time_pre; char drv_name[16]; u32 id; int clk_num; @@ -430,6 +442,8 @@ static int mtk_mipicsi_add_device(struct soc_camera_device *icd) mipicsi->width = width; mipicsi->height = height; + mtk_mipicsi_dbg(1, "sub device width/height/bytesperline %d/%d/%d", + width, height, mipicsi->bytesperline); /* * If power domain was closed before, it will be open. @@ -571,6 +585,9 @@ static int mtk_mipicsi_set_fmt(struct soc_camera_device *icd, if (pix->pixelformat == V4L2_PIX_FMT_YUYV) pix->sizeimage = pix->width * pix->height * 2U; + mtk_mipicsi_dbg(0, "width/height/sizeimage %u/%u/%u", + pix->width, pix->height, pix->sizeimage); + if (mf->code != xlate->code) return -EINVAL; @@ -696,6 +713,9 @@ static int mtk_mipicsi_vb2_prepare(struct vb2_buffer *vb) vb2_dma_contig_plane_dma_addr(vb, 0); #endif va = vb2_plane_vaddr(vb, 0); + mtk_mipicsi_dbg(1, "va=%p vb_dma_addr_phy=%lx size=%d", + va, (unsigned long)buf->vb_dma_addr_phy, + vb->planes[0].bytesused); buf->vb = vb; } @@ -741,6 +761,8 @@ static void mtk_mipicsi_vb2_queue(struct vb2_buffer *vb) } ++(mipicsi->enqueue_cnt); + mtk_mipicsi_dbg(2, "enqueue NO.%d buffer(%p). Total %lu buffer", + vb->index, vb, mipicsi->enqueue_cnt); } static int mtk_mipicsi_vb2_start_streaming(struct vb2_queue *vq, @@ -1125,8 +1147,10 @@ static int mtk_mipicsi_pm_resume(struct device *dev) if (mipicsi->larb_pdev != NULL) { ret = mtk_smi_larb_get(mipicsi->larb_pdev); - if (ret != 0) + if (ret != 0) { + mtk_mipicsi_dbg(0, "failed to get larb, err %d", ret); return ret; + } } mtk_mipicsi_ana_clk_enable(mipicsi->ana, true); @@ -1176,6 +1200,7 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) unsigned int next = 0U; u64 offset = 0ULL; u8 link_index = 0U; + long time_interval; void __iomem *base = NULL; dma_addr_t pa; @@ -1185,8 +1210,10 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) i = 0; /* only one buffer left */ - if ((&(mipicsi->fb_list))->next->next == &(mipicsi->fb_list)) + if ((&(mipicsi->fb_list))->next->next == &(mipicsi->fb_list)) { + mtk_mipicsi_dbg(1, "only 1 buffer left, drop frame"); return; + } /*for each fb_lst 2 times to get the top 2 buffer.*/ list_for_each_entry_safe(new_cam_buf, tmp, @@ -1219,6 +1246,27 @@ static void mtk_mipicsi_irq_buf_process(struct mtk_mipicsi_dev *mipicsi) ++(mipicsi->dequeue_cnt); list_del_init(&(mipicsi->cam_buf[index].queue)); + + if (mtk_mipicsi_dbg_level >= 2) { + ktime_get_real_ts64(&(mipicsi->fps_time_cur)); + if (mipicsi->dequeue_cnt == 1) { + mipicsi->fps_time_pre.tv_sec = + mipicsi->fps_time_cur.tv_sec; + mipicsi->fps_time_pre.tv_nsec = + mipicsi->fps_time_cur.tv_nsec; + } else { + time_interval = (mipicsi->fps_time_cur.tv_sec + - mipicsi->fps_time_pre.tv_sec) * 1000000000 + + (mipicsi->fps_time_cur.tv_nsec + - mipicsi->fps_time_pre.tv_nsec); + mtk_mipicsi_dbg(0, "time interval is %ld\n", + time_interval); + mipicsi->fps_time_pre.tv_sec = + mipicsi->fps_time_cur.tv_sec; + mipicsi->fps_time_pre.tv_nsec = + mipicsi->fps_time_cur.tv_nsec; + } + } } static irqreturn_t mtk_mipicsi_isr(int irq, void *data) @@ -1233,6 +1281,7 @@ static irqreturn_t mtk_mipicsi_isr(int irq, void *data) isr_ch = get_irq_channel(mipicsi); if (isr_ch < 0) { + mtk_mipicsi_dbg(0, "no interrupt occur"); spin_unlock_irqrestore(&mipicsi->lock, flags); return IRQ_HANDLED; } @@ -1573,5 +1622,6 @@ static struct platform_driver mtk_mipicsi_driver = { }; module_platform_driver(mtk_mipicsi_driver); +module_param(mtk_mipicsi_dbg_level, int, 0644); MODULE_DESCRIPTION("MediaTek SoC Camera Host driver"); MODULE_LICENSE("GPL v2"); -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel