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authorNicolas Dufresne <nicolas.dufresne@collabora.com>2022-05-13 22:29:18 +0200
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-05-17 10:08:52 +0200
commited7bb87d3d035db3ae7ea50a6007a7429ff216b5 (patch)
tree6d4ee1fd523e066b58e3f0cd6734211fb8506600
parentmedia: rkvdec-h264: Add field decoding support (diff)
downloadlinux-dev-ed7bb87d3d035db3ae7ea50a6007a7429ff216b5.tar.xz
linux-dev-ed7bb87d3d035db3ae7ea50a6007a7429ff216b5.zip
media: rkvdec: Enable capture buffer holding for H264
In order to support interlaced video decoding, the driver must allow holding the capture buffer so that the second field can be decoded into it. Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Sebastian Fricke <sebastian.fricke@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--drivers/staging/media/rkvdec/rkvdec.c4
-rw-r--r--drivers/staging/media/rkvdec/rkvdec.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
index 2bc4b1a40989..7bab7586918c 100644
--- a/drivers/staging/media/rkvdec/rkvdec.c
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -127,6 +127,7 @@ static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
.ops = &rkvdec_h264_fmt_ops,
.num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_vp9_decoded_fmts),
.decoded_fmts = rkvdec_h264_vp9_decoded_fmts,
+ .subsystem_flags = VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF,
},
{
.fourcc = V4L2_PIX_FMT_VP9_FRAME,
@@ -385,6 +386,9 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv,
cap_fmt->fmt.pix_mp.ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
cap_fmt->fmt.pix_mp.quantization = f->fmt.pix_mp.quantization;
+ /* Enable format specific queue features */
+ vq->subsystem_flags |= desc->subsystem_flags;
+
return 0;
}
diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
index 9df0fba799a4..633335ebb9c4 100644
--- a/drivers/staging/media/rkvdec/rkvdec.h
+++ b/drivers/staging/media/rkvdec/rkvdec.h
@@ -82,6 +82,7 @@ struct rkvdec_coded_fmt_desc {
const struct rkvdec_coded_fmt_ops *ops;
unsigned int num_decoded_fmts;
const u32 *decoded_fmts;
+ u32 subsystem_flags;
};
struct rkvdec_dev {