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Subject: media: rkvdec: Do not override sizeimage for output format
Author: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
Date: Fri Oct 8 11:04:22 2021 +0100
The rkvdec H.264 decoder currently overrides sizeimage for the output
format. This causes issues when userspace requires and requests a larger
buffer, but ends up with one of insufficient size.
Instead, only provide a default size if none was requested. This fixes
the video_decode_accelerator_tests from Chromium failing on the first
frame due to insufficient buffer space. It also aligns the behavior
of the rkvdec driver with the Hantro and Cedrus drivers.
Fixes: cd33c830448b ("media: rkvdec: Add the rkvdec driver")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
drivers/staging/media/rkvdec/rkvdec-h264.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c
index 76e97cbe2512..951e19231da2 100644
--- a/drivers/staging/media/rkvdec/rkvdec-h264.c
+++ b/drivers/staging/media/rkvdec/rkvdec-h264.c
@@ -1015,8 +1015,9 @@ static int rkvdec_h264_adjust_fmt(struct rkvdec_ctx *ctx,
struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
fmt->num_planes = 1;
- fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height *
- RKVDEC_H264_MAX_DEPTH_IN_BYTES;
+ if (!fmt->plane_fmt[0].sizeimage)
+ fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height *
+ RKVDEC_H264_MAX_DEPTH_IN_BYTES;
return 0;
}
