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Date: Fri, 26 Aug 2022 17:29:02 +0800 From: Irui Wang <irui.wang@...iatek.com> To: Hans Verkuil <hverkuil-cisco@...all.nl>, Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>, Tzung-Bi Shih <tzungbi@...omium.org>, <angelogioacchino.delregno@...labora.com>, <nicolas.dufresne@...labora.com>, <wenst@...omium.org>, kyrie wu <kyrie.wu@...iatek.com> CC: <Project_Global_Chrome_Upstream_Group@...iatek.com>, <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>, Tomasz Figa <tfiga@...omium.org>, <xia.jiang@...iatek.com>, <maoguang.meng@...iatek.com>, irui wang <irui.wang@...iatek.com> Subject: [V7,6/8] media: mtk-jpegdec: add output pic reorder interface From: kyrie wu <kyrie.wu@...iatek.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@...iatek.com> Signed-off-by: irui wang <irui.wang@...iatek.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 6a5806df9917..1ea3ce7049f1 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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