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media: platform: Cancel the last frame handling flow

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There is no need to queue an empty buffer for signaling a last frame,
because all frames are separate from each other in JPEG.

Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Xia Jiang <xia.jiang@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Xia Jiang 2020-08-14 09:11:43 +02:00 committed by Mauro Carvalho Chehab
parent 0058ff2bef
commit 63ca740d51
1 changed files with 2 additions and 44 deletions
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46
drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
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@ -55,15 +55,9 @@ static struct mtk_jpeg_fmt mtk_jpeg_formats[] = {
#define MTK_JPEG_NUM_FORMATS ARRAY_SIZE(mtk_jpeg_formats)
enum {
MTK_JPEG_BUF_FLAGS_INIT = 0,
MTK_JPEG_BUF_FLAGS_LAST_FRAME = 1,
};
struct mtk_jpeg_src_buf {
struct vb2_v4l2_buffer b;
struct list_head list;
int flags;
struct mtk_jpeg_dec_param dec_param;
};
@ -501,31 +495,6 @@ static int mtk_jpeg_s_selection(struct file *file, void *priv,
return 0;
}
static int mtk_jpeg_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
struct v4l2_fh *fh = file->private_data;
struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(priv);
struct vb2_queue *vq;
struct vb2_buffer *vb;
struct mtk_jpeg_src_buf *jpeg_src_buf;
if (buf->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
goto end;
vq = v4l2_m2m_get_vq(fh->m2m_ctx, buf->type);
if (buf->index >= vq->num_buffers) {
dev_err(ctx->jpeg->dev, "buffer index out of range\n");
return -EINVAL;
}
vb = vb2_get_buffer(vq, buf->index);
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(vb);
jpeg_src_buf->flags = (buf->m.planes[0].bytesused == 0) ?
MTK_JPEG_BUF_FLAGS_LAST_FRAME : MTK_JPEG_BUF_FLAGS_INIT;
end:
return v4l2_m2m_qbuf(file, fh->m2m_ctx, buf);
}
static const struct v4l2_ioctl_ops mtk_jpeg_ioctl_ops = {
.vidioc_querycap = mtk_jpeg_querycap,
.vidioc_enum_fmt_vid_cap = mtk_jpeg_enum_fmt_vid_cap,
@ -536,7 +505,7 @@ static const struct v4l2_ioctl_ops mtk_jpeg_ioctl_ops = {
.vidioc_g_fmt_vid_out_mplane = mtk_jpeg_g_fmt_vid_mplane,
.vidioc_s_fmt_vid_cap_mplane = mtk_jpeg_s_fmt_vid_cap_mplane,
.vidioc_s_fmt_vid_out_mplane = mtk_jpeg_s_fmt_vid_out_mplane,
.vidioc_qbuf = mtk_jpeg_qbuf,
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
.vidioc_subscribe_event = mtk_jpeg_subscribe_event,
.vidioc_g_selection = mtk_jpeg_g_selection,
.vidioc_s_selection = mtk_jpeg_s_selection,
@ -676,10 +645,6 @@ static void mtk_jpeg_buf_queue(struct vb2_buffer *vb)
param = &jpeg_src_buf->dec_param;
memset(param, 0, sizeof(*param));
if (jpeg_src_buf->flags & MTK_JPEG_BUF_FLAGS_LAST_FRAME) {
v4l2_dbg(1, debug, &jpeg->v4l2_dev, "Got eos\n");
goto end;
}
header_valid = mtk_jpeg_parse(param, (u8 *)vb2_plane_vaddr(vb, 0),
vb2_get_plane_payload(vb, 0));
if (!header_valid) {
@ -792,19 +757,12 @@ static void mtk_jpeg_device_run(void *priv)
struct mtk_jpeg_src_buf *jpeg_src_buf;
struct mtk_jpeg_bs bs;
struct mtk_jpeg_fb fb;
int i, ret;
int ret;
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
jpeg_src_buf = mtk_jpeg_vb2_to_srcbuf(&src_buf->vb2_buf);
if (jpeg_src_buf->flags & MTK_JPEG_BUF_FLAGS_LAST_FRAME) {
for (i = 0; i < dst_buf->vb2_buf.num_planes; i++)
vb2_set_plane_payload(&dst_buf->vb2_buf, i, 0);
buf_state = VB2_BUF_STATE_DONE;
goto dec_end;
}
if (mtk_jpeg_check_resolution_change(ctx, &jpeg_src_buf->dec_param)) {
mtk_jpeg_queue_src_chg_event(ctx);
ctx->state = MTK_JPEG_SOURCE_CHANGE;