MFC driver never delivered EOS event to apps feeding constantly its capture buffer with fresh buffers. The patch fixes it by marking last buffers returned by MFC with MFC_BUF_FLAG_EOS flag and firing EOS event on de-queuing such buffers.
Signed-off-by: Andrzej Hajda <a.ha...@samsung.com> --- Hi Kamil, Commit message fixed. Regards Andrzej --- drivers/media/platform/s5p-mfc/s5p_mfc.c | 1 + drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 21 +++++++++++++-------- 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 05a31ee..3ffe2ec 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -196,6 +196,7 @@ static void s5p_mfc_handle_frame_all_extracted(struct s5p_mfc_ctx *ctx) vb2_set_plane_payload(&dst_buf->b->vb2_buf, 0, 0); vb2_set_plane_payload(&dst_buf->b->vb2_buf, 1, 0); list_del(&dst_buf->list); + dst_buf->flags |= MFC_BUF_FLAG_EOS; ctx->dst_queue_cnt--; dst_buf->b->sequence = (ctx->sequence++); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 1734775..8d3d40c 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -645,17 +645,22 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) mfc_err("Call on DQBUF after unrecoverable error\n"); return -EIO; } - if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) - ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); - else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + + switch (buf->type) { + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + return vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK); + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK); - if (ret == 0 && ctx->state == MFCINST_FINISHED && - list_empty(&ctx->vq_dst.done_list)) + if (ret) + return ret; + + if (ctx->state == MFCINST_FINISHED && + (ctx->dst_bufs[buf->index].flags & MFC_BUF_FLAG_EOS)) v4l2_event_queue_fh(&ctx->fh, &ev); - } else { - ret = -EINVAL; + return 0; + default: + return -EINVAL; } - return ret; } /* Export DMA buffer */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html