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media: mediatek: vcodec: Don't try to decode 422/444 VP9

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This is not supported by the hardware and trying to decode
these leads to LAT timeout errors.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Nicolas Dufresne 2025-11-28 14:16:16 -05:00 • committed by Hans Verkuil
parent 1b78aae631
commit 3e92d7e493
1 changed files with 6 additions and 0 deletions
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6
drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c
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@ -518,6 +518,12 @@ static int mtk_vdec_s_ctrl(struct v4l2_ctrl *ctrl)
mtk_v4l2_vdec_err(ctx, "VP9: bit_depth:%d", frame->bit_depth);
return -EINVAL;
}
if (!(frame->flags & V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING) ||
!(frame->flags & V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING)) {
mtk_v4l2_vdec_err(ctx, "VP9: only 420 subsampling is supported");
return -EINVAL;
}
break;
case V4L2_CID_STATELESS_AV1_SEQUENCE:
seq = (struct v4l2_ctrl_av1_sequence *)hdr_ctrl->p_new.p;