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| author | Nicolas Dufresne <nicolas.dufresne@collabora.com> | 2025-11-28 14:16:16 -0500 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2026-03-04 07:21:01 -0500 |
| commit | 4394a810dd66f245da5fb6c033f30d48b46f3b8c (patch) | |
| tree | 7f1f8669e74d52efba8357d42edea54d57f968c5 /drivers/media/platform | |
| parent | 1ba3a56f4854fab439e5bfe694062f9024a324ea (diff) | |
| download | linux-4394a810dd66f245da5fb6c033f30d48b46f3b8c.tar.gz linux-4394a810dd66f245da5fb6c033f30d48b46f3b8c.tar.bz2 linux-4394a810dd66f245da5fb6c033f30d48b46f3b8c.zip | |
media: mediatek: vcodec: Don't try to decode 422/444 VP9
[ Upstream commit 3e92d7e4935084ecdbdc88880cc4688618ae1557 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c index 3307dc15fc1d..f5aa0b06f9e7 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c @@ -504,6 +504,12 @@ 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; |