media: hantro: Remove unneeded hantro_dec_buf_finish

Since now .buf_prepare takes care of setting the
buffer payload size, we can get rid of this,
at least for decoders.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/hantro/hantro_drv.c

@@ -80,15 +80,6 @@ hantro_enc_buf_finish(struct hantro_ctx *ctx, struct vb2_buffer *buf,
 	return 0;
 }
 
-static int
-hantro_dec_buf_finish(struct hantro_ctx *ctx, struct vb2_buffer *buf,
-		      unsigned int bytesused)
-{
-	/* For decoders set bytesused as per the output picture. */
-	buf->planes[0].bytesused = ctx->dst_fmt.plane_fmt[0].sizeimage;
-	return 0;
-}
-
 static void hantro_job_finish(struct hantro_dev *vpu,
 			      struct hantro_ctx *ctx,
 			      unsigned int bytesused,
@@ -431,7 +422,6 @@ static int hantro_open(struct file *filp)
 		ctx->buf_finish = hantro_enc_buf_finish;
 	} else if (func->id == MEDIA_ENT_F_PROC_VIDEO_DECODER) {
 		allowed_codecs = vpu->variant->codec & HANTRO_DECODERS;
-		ctx->buf_finish = hantro_dec_buf_finish;
 	} else {
 		ret = -ENODEV;
 		goto err_ctx_free;