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Subject[V15,13/15] media: mtk-jpegdec: add output pic reorder interface
Date
From: kyrie wu <kyrie.wu@mediatek.com>

add output reorder func to reorder the output images
to ensure the output pic is consistent with the input images.

Signed-off-by: kyrie wu <kyrie.wu@mediatek.com>
Signed-off-by: irui wang <irui.wang@mediatek.com>
---
.../platform/mediatek/jpeg/mtk_jpeg_dec_hw.c | 47 ++++++++++++++++++-
1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c
index f7e3013234d3..95fce3f3c0c6 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c
@@ -440,6 +440,49 @@ void mtk_jpeg_dec_set_config(void __iomem *base,
}
EXPORT_SYMBOL_GPL(mtk_jpeg_dec_set_config);

+static void mtk_jpegdec_put_buf(struct mtk_jpegdec_comp_dev *jpeg)
+{
+ struct mtk_jpeg_src_buf *dst_done_buf, *tmp_dst_done_buf;
+ struct vb2_v4l2_buffer *dst_buffer;
+ struct list_head *temp_entry;
+ struct list_head *pos = NULL;
+ struct mtk_jpeg_ctx *ctx;
+ unsigned long flags;
+
+ ctx = jpeg->hw_param.curr_ctx;
+ if (unlikely(!ctx)) {
+ dev_err(jpeg->dev, "comp_jpeg ctx fail !!!\n");
+ return;
+ }
+
+ dst_buffer = jpeg->hw_param.dst_buffer;
+ if (!dst_buffer) {
+ dev_err(jpeg->dev, "comp_jpeg dst_buffer fail !!!\n");
+ return;
+ }
+
+ dst_done_buf = container_of(dst_buffer, struct mtk_jpeg_src_buf, b);
+
+ spin_lock_irqsave(&ctx->done_queue_lock, flags);
+ list_add_tail(&dst_done_buf->list, &ctx->dst_done_queue);
+ while (!list_empty(&ctx->dst_done_queue) &&
+ (pos != &ctx->dst_done_queue)) {
+ list_for_each_prev_safe(pos, temp_entry, &ctx->dst_done_queue) {
+ tmp_dst_done_buf = list_entry(pos,
+ struct mtk_jpeg_src_buf,
+ list);
+ if (tmp_dst_done_buf->frame_num ==
+ ctx->last_done_frame_num) {
+ list_del(&tmp_dst_done_buf->list);
+ v4l2_m2m_buf_done(&tmp_dst_done_buf->b,
+ VB2_BUF_STATE_DONE);
+ ctx->last_done_frame_num++;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&ctx->done_queue_lock, flags);
+}
+
static void mtk_jpegdec_timeout_work(struct work_struct *work)
{
enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
@@ -460,7 +503,7 @@ static void mtk_jpegdec_timeout_work(struct work_struct *work)
atomic_inc(&master_jpeg->dechw_rdy);
wake_up(&master_jpeg->dec_hw_wq);
v4l2_m2m_buf_done(src_buf, buf_state);
- v4l2_m2m_buf_done(dst_buf, buf_state);
+ mtk_jpegdec_put_buf(cjpeg);
}

static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv)
@@ -500,7 +543,7 @@ static irqreturn_t mtk_jpegdec_hw_irq_handler(int irq, void *priv)

buf_state = VB2_BUF_STATE_DONE;
v4l2_m2m_buf_done(src_buf, buf_state);
- v4l2_m2m_buf_done(dst_buf, buf_state);
+ mtk_jpegdec_put_buf(jpeg);
pm_runtime_put(ctx->jpeg->dev);
clk_disable_unprepare(jpeg->jdec_clk.clks->clk);

--
2.18.0
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