From ed7bb87d3d035db3ae7ea50a6007a7429ff216b5 Mon Sep 17 00:00:00 2001 From: Nicolas Dufresne Date: Fri, 13 May 2022 22:29:18 +0200 Subject: [PATCH] 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 Reviewed-by: Sebastian Fricke Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/rkvdec/rkvdec.c | 4 ++++ drivers/staging/media/rkvdec/rkvdec.h | 1 + 2 files changed, 5 insertions(+) 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 {