linux-kernel - Re: [RFCv1 07/12] media: mtk-vcodec: abstract firmware interface

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Date:   Tue, 4 Jun 2019 16:53:47 +0900
From:   Alexandre Courbot <acourbot@...omium.org>
To:     Hans Verkuil <hverkuil@...all.nl>
Cc:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        linux-mediatek@...ts.infradead.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFCv1 07/12] media: mtk-vcodec: abstract firmware interface

On Tue, May 28, 2019 at 6:16 PM Hans Verkuil <hverkuil@...all.nl> wrote:
>
> On 5/28/19 7:56 AM, Alexandre Courbot wrote:
> > From: Yunfei Dong <yunfei.dong@...iatek.com>
> >
> > MT8183's codec firwmare is run by a different remote processor from
> > MT8173. While the firmware interface is basically the same, the way to
> > invoke it differs. Abstract all firmware calls under a layer that will
> > allow us to handle both firmware types transparently.
> >
> > Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> > Co-developed-by: Alexandre Courbot <acourbot@...omium.org>
> > Signed-off-by: Alexandre Courbot <acourbot@...omium.org>
> > [acourbot: refactor, cleanup and split]
>
> High-level question: is the mt8183 firmware different from the MT8173?
> And if so, is or will that firmware be part of linux-firmware?

Yes, the firmware is different, and AFAICT it will be posted to linux-firmware.