From: Nicolas Dufresne Date: Fri, 13 May 2022 20:29:18 +0000 (+0200) Subject: media: rkvdec: Enable capture buffer holding for H264 X-Git-Tag: v5.19-rc1~179^2~4 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ed7bb87d3d035db3ae7ea50a6007a7429ff216b5;p=thirdparty%2Fkernel%2Flinux.git 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 --- diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index 2bc4b1a409895..7bab7586918c1 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 9df0fba799a48..633335ebb9c49 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 {