| Message ID | 20250109133513.20151-8-kyrie.wu@mediatek.com |
|---|---|
| State | New |
| Headers | show |
| Series | Enable jpeg enc & dec multi-hardwares for MT8196 | expand |
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c index 83f9451fd3ba..3082d0fcf974 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -1098,7 +1098,7 @@ static int mtk_jpeg_queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; dst_vq->io_modes = VB2_DMABUF | VB2_MMAP; dst_vq->drv_priv = ctx; - dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + dst_vq->buf_struct_size = sizeof(struct mtk_jpeg_src_buf); dst_vq->ops = jpeg->variant->qops; dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h index 38672499ca18..ce9f14e711f5 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h @@ -98,10 +98,10 @@ struct mtk_jpeg_variant { }; struct mtk_jpeg_src_buf { - u32 frame_num; struct vb2_v4l2_buffer b; struct list_head list; u32 bs_size; + u32 frame_num; struct mtk_jpeg_dec_param dec_param; struct mtk_jpeg_ctx *curr_ctx;
1. change dst buffer size to same as struct mtk_jpeg_src_buf to make sure all params of mtk_jpeg_src_buf could get a memory. 2. For memory alloc operation: the v4l2 framework malloc a memory, the base addr is vb2_buffer and the size is sizeof(struct mtk_jpeg_src_buf), mtk_jpeg_src_buf could get itself addr by container_of like that: vb2_buffer -> vb2_v4l2_buffer -> mtk_jpeg_src_buf. vb2_v4l2_buffer must keep on the top of mtk_jpeg_src_buf. Signed-off-by: kyrie.wu <kyrie.wu@mediatek.com> --- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 2 +- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)