From: Yunfei Dong <yunfei.dong@mediatek.com> To: "Chen-Yu Tsai" <wenst@chromium.org>, "Nicolas Dufresne" <nicolas.dufresne@collabora.com>, "Hans Verkuil" <hverkuil-cisco@xs4all.nl>, "AngeloGioacchino Del Regno" <angelogioacchino.delregno@collabora.com>, "Benjamin Gaignard" <benjamin.gaignard@collabora.com>, "Nícolas F . R . A . Prado" <nfraprado@collabora.com>, "Nathan Hebert" <nhebert@chromium.org> Cc: Yunfei Dong <yunfei.dong@mediatek.com>, Hsin-Yi Wang <hsinyi@chromium.org>, Fritz Koenig <frkoenig@chromium.org>, Daniel Vetter <daniel@ffwll.ch>, Steve Cho <stevecho@chromium.org>, <linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, <Project_Global_Chrome_Upstream_Group@mediatek.com> Subject: [PATCH v6,8/8] media: mediatek: vcodec: Add dbgfs help function Date: Tue, 30 May 2023 20:29:08 +0800 [thread overview] Message-ID: <20230530122908.19267-9-yunfei.dong@mediatek.com> (raw) In-Reply-To: <20230530122908.19267-1-yunfei.dong@mediatek.com> Getting dbgfs help information with command "echo -help > vdec" or "echo > vdec". Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- .../mediatek/vcodec/mtk_vcodec_dbgfs.c | 24 ++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c index 688884db651e..2151c3967684 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c @@ -52,6 +52,23 @@ static void mtk_vdec_dbgfs_get_format_type(struct mtk_vcodec_ctx *ctx, char *buf *used += curr_len; } +static void mtk_vdec_dbgfs_get_help(char *buf, int *used, int total) +{ + int curr_len; + + curr_len = snprintf(buf + *used, total - *used, + "help: (1: echo -'info' > vdec 2: cat vdec)\n"); + *used += curr_len; + + curr_len = snprintf(buf + *used, total - *used, + "\t-picinfo: get resolution\n"); + *used += curr_len; + + curr_len = snprintf(buf + *used, total - *used, + "\t-format: get output & capture queue format\n"); + *used += curr_len; +} + static ssize_t mtk_vdec_dbgfs_write(struct file *filp, const char __user *ubuf, size_t count, loff_t *ppos) { @@ -83,6 +100,11 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf, if (!buf) return -ENOMEM; + if (strstr(dbgfs->dbgfs_buf, "-help") || dbgfs->buf_size == 1) { + mtk_vdec_dbgfs_get_help(buf, &used_len, total_len); + goto read_buffer; + } + if (strstr(dbgfs->dbgfs_buf, "-picinfo")) dbgfs_index[MTK_VDEC_DBGFS_PICINFO] = true; @@ -109,7 +131,7 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf, mtk_vdec_dbgfs_get_format_type(ctx, buf, &used_len, total_len); } mutex_unlock(&dbgfs->dbgfs_lock); - +read_buffer: ret = simple_read_from_buffer(ubuf, count, ppos, buf, used_len); kfree(buf); return ret; -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Yunfei Dong <yunfei.dong@mediatek.com> To: "Chen-Yu Tsai" <wenst@chromium.org>, "Nicolas Dufresne" <nicolas.dufresne@collabora.com>, "Hans Verkuil" <hverkuil-cisco@xs4all.nl>, "AngeloGioacchino Del Regno" <angelogioacchino.delregno@collabora.com>, "Benjamin Gaignard" <benjamin.gaignard@collabora.com>, "Nícolas F . R . A . Prado" <nfraprado@collabora.com>, "Nathan Hebert" <nhebert@chromium.org> Cc: Yunfei Dong <yunfei.dong@mediatek.com>, Hsin-Yi Wang <hsinyi@chromium.org>, Fritz Koenig <frkoenig@chromium.org>, Daniel Vetter <daniel@ffwll.ch>, Steve Cho <stevecho@chromium.org>, <linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-mediatek@lists.infradead.org>, <Project_Global_Chrome_Upstream_Group@mediatek.com> Subject: [PATCH v6,8/8] media: mediatek: vcodec: Add dbgfs help function Date: Tue, 30 May 2023 20:29:08 +0800 [thread overview] Message-ID: <20230530122908.19267-9-yunfei.dong@mediatek.com> (raw) In-Reply-To: <20230530122908.19267-1-yunfei.dong@mediatek.com> Getting dbgfs help information with command "echo -help > vdec" or "echo > vdec". Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- .../mediatek/vcodec/mtk_vcodec_dbgfs.c | 24 ++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c index 688884db651e..2151c3967684 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c @@ -52,6 +52,23 @@ static void mtk_vdec_dbgfs_get_format_type(struct mtk_vcodec_ctx *ctx, char *buf *used += curr_len; } +static void mtk_vdec_dbgfs_get_help(char *buf, int *used, int total) +{ + int curr_len; + + curr_len = snprintf(buf + *used, total - *used, + "help: (1: echo -'info' > vdec 2: cat vdec)\n"); + *used += curr_len; + + curr_len = snprintf(buf + *used, total - *used, + "\t-picinfo: get resolution\n"); + *used += curr_len; + + curr_len = snprintf(buf + *used, total - *used, + "\t-format: get output & capture queue format\n"); + *used += curr_len; +} + static ssize_t mtk_vdec_dbgfs_write(struct file *filp, const char __user *ubuf, size_t count, loff_t *ppos) { @@ -83,6 +100,11 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf, if (!buf) return -ENOMEM; + if (strstr(dbgfs->dbgfs_buf, "-help") || dbgfs->buf_size == 1) { + mtk_vdec_dbgfs_get_help(buf, &used_len, total_len); + goto read_buffer; + } + if (strstr(dbgfs->dbgfs_buf, "-picinfo")) dbgfs_index[MTK_VDEC_DBGFS_PICINFO] = true; @@ -109,7 +131,7 @@ static ssize_t mtk_vdec_dbgfs_read(struct file *filp, char __user *ubuf, mtk_vdec_dbgfs_get_format_type(ctx, buf, &used_len, total_len); } mutex_unlock(&dbgfs->dbgfs_lock); - +read_buffer: ret = simple_read_from_buffer(ubuf, count, ppos, buf, used_len); kfree(buf); return ret; -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-05-30 12:30 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-30 12:29 [PATCH v6,0/8] media: mediatek: vcodec: Add debugfs file for decode and encode Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,1/8] media: mediatek: vcodec: Add debugfs interface to get debug information Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,2/8] media: mediatek: vcodec: Add debug params to control different log level Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,3/8] media: mediatek: vcodec: Add a debugfs file to get different useful information Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,4/8] media: mediatek: vcodec: Get each context resolution information Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,5/8] media: mediatek: vcodec: Get each instance format type Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,6/8] media: mediatek: vcodec: Change dbgfs interface to support encode Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` [PATCH v6,7/8] media: mediatek: vcodec: Add encode to support dbgfs Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong 2023-05-30 12:29 ` Yunfei Dong [this message] 2023-05-30 12:29 ` [PATCH v6,8/8] media: mediatek: vcodec: Add dbgfs help function Yunfei Dong
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