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Fri, 18 Mar 2022 08:17:55 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, mirela.rabulea@oss.nxp.com Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 5/5] media: imx-jpeg: Support dynamic resolution change Date: Fri, 18 Mar 2022 16:16:55 +0800 Message-Id: X-Mailer: git-send-email 2.33.0 In-Reply-To: References: X-ClientProxiedBy: SI2PR06CA0015.apcprd06.prod.outlook.com (2603:1096:4:186::7) To DB8PR04MB6346.eurprd04.prod.outlook.com (2603:10a6:10:10c::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2f886b7a-7006-4713-ef7b-08da08b7cdbc X-MS-TrafficTypeDiagnostic: VI1PR04MB6285:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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Signed-off-by: Ming Qian --- .../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 69 ++++++++++++++----- .../media/platform/nxp/imx-jpeg/mxc-jpeg.h | 2 + 2 files changed, 55 insertions(+), 16 deletions(-) diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index 5bce74de7cf2..5584b40fb36d 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -933,13 +933,14 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, { struct device *dev = ctx->mxc_jpeg->dev; struct mxc_jpeg_q_data *q_data_cap; - bool src_chg = false; if (!jpeg_src_buf->fmt) - return src_chg; + return false; q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - if (q_data_cap->w != jpeg_src_buf->w || q_data_cap->h != jpeg_src_buf->h) { + if (q_data_cap->fmt != jpeg_src_buf->fmt || + q_data_cap->w != jpeg_src_buf->w || + q_data_cap->h != jpeg_src_buf->h) { dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", q_data_cap->w, q_data_cap->h, jpeg_src_buf->w, jpeg_src_buf->h, @@ -976,9 +977,16 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, mxc_jpeg_bytesperline(q_data_cap, jpeg_src_buf->fmt->precision); mxc_jpeg_sizeimage(q_data_cap); notify_src_chg(ctx); - src_chg = true; + ctx->source_change = 1; } - return src_chg; + return ctx->source_change ? true : false; +} + +static int mxc_jpeg_job_ready(void *priv) +{ + struct mxc_jpeg_ctx *ctx = priv; + + return ctx->source_change ? 0 : 1; } static void mxc_jpeg_device_run(void *priv) @@ -1028,6 +1036,13 @@ static void mxc_jpeg_device_run(void *priv) return; } + if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE) { + if (ctx->source_change || mxc_jpeg_source_change(ctx, jpeg_src_buf)) { + spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + return; + } + } mxc_jpeg_enable(reg); mxc_jpeg_set_l_endian(reg, 1); @@ -1074,6 +1089,7 @@ static void mxc_jpeg_set_last_buffer_dequeued(struct mxc_jpeg_ctx *ctx) q->last_buffer_dequeued = true; wake_up(&q->done_wq); ctx->stopped = 0; + ctx->header_parsed = false; } static int mxc_jpeg_decoder_cmd(struct file *file, void *priv, @@ -1167,6 +1183,8 @@ static int mxc_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) struct mxc_jpeg_q_data *q_data = mxc_jpeg_get_q_data(ctx, q->type); int ret; + if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE && V4L2_TYPE_IS_CAPTURE(q->type)) + ctx->source_change = 0; dev_dbg(ctx->mxc_jpeg->dev, "Start streaming ctx=%p", ctx); q_data->sequence = 0; @@ -1345,16 +1363,15 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) dev_warn(dev, "Invalid user resolution 0x0"); dev_warn(dev, "Keeping resolution from JPEG: %dx%d", header.frame.width, header.frame.height); - q_data_out->w = header.frame.width; - q_data_out->h = header.frame.height; } else if (header.frame.width != q_data_out->w || header.frame.height != q_data_out->h) { dev_err(dev, "Resolution mismatch: %dx%d (JPEG) versus %dx%d(user)", header.frame.width, header.frame.height, q_data_out->w, q_data_out->h); - return -EINVAL; } + q_data_out->w = header.frame.width; + q_data_out->h = header.frame.height; if (header.frame.width % 8 != 0 || header.frame.height % 8 != 0) { dev_err(dev, "JPEG width or height not multiple of 8: %dx%d\n", header.frame.width, header.frame.height); @@ -1390,8 +1407,10 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) jpeg_src_buf->fmt = mxc_jpeg_find_format(ctx, fourcc); jpeg_src_buf->w = header.frame.width; jpeg_src_buf->h = header.frame.height; + ctx->header_parsed = true; - mxc_jpeg_source_change(ctx, jpeg_src_buf); + if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) + mxc_jpeg_source_change(ctx, jpeg_src_buf); return 0; } @@ -1468,6 +1487,7 @@ static void mxc_jpeg_buf_finish(struct vb2_buffer *vb) if (list_empty(&q->done_list)) { vbuf->flags |= V4L2_BUF_FLAG_LAST; ctx->stopped = 0; + ctx->header_parsed = false; } } @@ -1613,26 +1633,42 @@ static int mxc_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv); + struct mxc_jpeg_q_data *q_data = mxc_jpeg_get_q_data(ctx, f->type); - if (ctx->mxc_jpeg->mode == MXC_JPEG_ENCODE) + if (ctx->mxc_jpeg->mode == MXC_JPEG_ENCODE) { return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, MXC_JPEG_FMT_TYPE_ENC); - else + } else if (!ctx->header_parsed) { return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, MXC_JPEG_FMT_TYPE_RAW); + } else { + /* For the decoder CAPTURE queue, only enumerate the raw formats + * supported for the format currently active on OUTPUT + * (more precisely what was propagated on capture queue + * after jpeg parse on the output buffer) + */ + if (f->index) + return -EINVAL; + f->pixelformat = q_data->fmt->fourcc; + strscpy(f->description, q_data->fmt->name, sizeof(f->description)); + return 0; + } } static int mxc_jpeg_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv); + u32 type = ctx->mxc_jpeg->mode == MXC_JPEG_DECODE ? MXC_JPEG_FMT_TYPE_ENC : + MXC_JPEG_FMT_TYPE_RAW; + int ret; + ret = enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, type); + if (ret) + return ret; if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE) - return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, - MXC_JPEG_FMT_TYPE_ENC); - else - return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, - MXC_JPEG_FMT_TYPE_RAW); + f->flags = V4L2_FMT_FLAG_DYN_RESOLUTION; + return 0; } static int mxc_jpeg_try_fmt(struct v4l2_format *f, const struct mxc_jpeg_fmt *fmt, @@ -2013,6 +2049,7 @@ static const struct v4l2_file_operations mxc_jpeg_fops = { }; static const struct v4l2_m2m_ops mxc_jpeg_m2m_ops = { + .job_ready = mxc_jpeg_job_ready, .device_run = mxc_jpeg_device_run, }; diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h index 82b38cc2dfab..9ae56e6e0fbe 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h @@ -94,6 +94,8 @@ struct mxc_jpeg_ctx { unsigned int stopping; unsigned int stopped; unsigned int slot; + unsigned int source_change; + bool header_parsed; }; struct mxc_jpeg_slot_data {