From dbe939814cfa0154421ab1643f48b7cdd379d522 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Wed, 18 Mar 2020 19:35:31 +0100
Subject: [PATCH] media: coda: round up decoded buffer size for all codecs
The BIT decoders always write 16x16 macroblocks. Align stride and height to
avoid spilling luma data into the top of the chroma planes.
Signed-off-by: Philipp Zabel
Signed-off-by: Hans Verkuil
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/platform/coda/coda-common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index d0d093dd8f7cf..46163e524c1ed 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -637,8 +637,8 @@ static int coda_try_fmt_vid_cap(struct file *file, void *priv,
if (ret < 0)
return ret;
- /* The h.264 decoder only returns complete 16x16 macroblocks */
- if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
+ /* The decoders always write complete macroblocks */
+ if (ctx->inst_type == CODA_INST_DECODER) {
f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
--
2.30.2