linux-kernel - Re: [PATCH 0/3] media: mediatek: vcodec: Add driver to support 10bit

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Date:   Thu, 13 Jul 2023 09:31:27 -0400
From:   Nicolas Dufresne <nicolas.dufresne@...labora.com>
To:     Yunfei Dong (董云飞) 
        <Yunfei.Dong@...iatek.com>,
        "nhebert@...omium.org" <nhebert@...omium.org>,
        "benjamin.gaignard@...labora.com" <benjamin.gaignard@...labora.com>,
        "nfraprado@...labora.com" <nfraprado@...labora.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "frkoenig@...omium.org" <frkoenig@...omium.org>,
        "stevecho@...omium.org" <stevecho@...omium.org>,
        "wenst@...omium.org" <wenst@...omium.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        Mingjia Zhang (张明佳) 
        <Mingjia.Zhang@...iatek.com>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        "hsinyi@...omium.org" <hsinyi@...omium.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 0/3] media: mediatek: vcodec: Add driver to support 10bit

Le mercredi 12 juillet 2023 à 03:11 +0000, Yunfei Dong (董云飞) a écrit :
> > This cover letter is missing v4l2-compliance report. This is needed
> > whenever
> > format mechanism is modified in a driver (not just for new drivers).
> > Please add
> > and make sure there is not regression too.
> > 
> Forgot to test v4l2-compliance, will add in next patch.
> 
> The flush test not include H264 for test fail, according to mingjia's
> information, maybe gstreamer set wrong format. H264 fluster can test
> pass when kernel driver force h264 in raster mode.

For everyone interested, I've rebased MT2110R and MT2110T support MR in
GStreamer. With the offending "return -EINVAL" removed, the test passes for me.
Consider updating your GStreamer build, let me know if you see further issue
with GStreamer in this regard. I'm only missing a firmware with HEVC and 10bit
combined to confirm HEVC works too.

https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3444

cheer,
Nicolas