Buffers' zeroth plane payload size is calculated at format negotiation time, and so it can be set in .buf_prepare. Keep in mind that, to make this change easier, hantro_buf_prepare is refactored, using the cedrus driver as reference. This results in cleaner code as byproduct. Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> --- drivers/staging/media/hantro/hantro_v4l2.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c index f4ae2cee0f18..3142ab6697d5 100644 --- a/drivers/staging/media/hantro/hantro_v4l2.c +++ b/drivers/staging/media/hantro/hantro_v4l2.c @@ -608,7 +608,7 @@ hantro_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, } static int -hantro_buf_plane_check(struct vb2_buffer *vb, const struct hantro_fmt *vpu_fmt, +hantro_buf_plane_check(struct vb2_buffer *vb, struct v4l2_pix_format_mplane *pixfmt) { unsigned int sz; @@ -630,12 +630,18 @@ static int hantro_buf_prepare(struct vb2_buffer *vb) { struct vb2_queue *vq = vb->vb2_queue; struct hantro_ctx *ctx = vb2_get_drv_priv(vq); + struct v4l2_pix_format_mplane *pix_fmt; + int ret; if (V4L2_TYPE_IS_OUTPUT(vq->type)) - return hantro_buf_plane_check(vb, ctx->vpu_src_fmt, - &ctx->src_fmt); - - return hantro_buf_plane_check(vb, ctx->vpu_dst_fmt, &ctx->dst_fmt); + pix_fmt = &ctx->src_fmt; + else + pix_fmt = &ctx->dst_fmt; + ret = hantro_buf_plane_check(vb, pix_fmt); + if (ret) + return ret; + vb2_set_plane_payload(vb, 0, pix_fmt->plane_fmt[0].sizeimage); + return 0; } static void hantro_buf_queue(struct vb2_buffer *vb) -- 2.26.0.rc2