[media] s5p-mfc: limit the size of the CPB
The CPB size is limited by the hardware. Add this limit to the s_fmt.
Signed-off-by: panpan liu <panpan1.liu@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 4d93835..9103258b 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -436,6 +436,7 @@
struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
int ret = 0;
struct v4l2_pix_format_mplane *pix_mp;
+ struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;
mfc_debug_enter();
ret = vidioc_try_fmt(file, priv, f);
@@ -459,11 +460,13 @@
mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
pix_mp->height = 0;
pix_mp->width = 0;
- if (pix_mp->plane_fmt[0].sizeimage)
- ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
- else
+ if (pix_mp->plane_fmt[0].sizeimage == 0)
pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
DEF_CPB_SIZE;
+ else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
+ ctx->dec_src_buf_size = buf_size->cpb;
+ else
+ ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
pix_mp->plane_fmt[0].bytesperline = 0;
ctx->state = MFCINST_INIT;
ret = 0;