linux-kernel - Re: [PATCH, v2] media: mediatek: vcodec: Fix non subdev architecture open power fail

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Date:   Mon, 20 Jun 2022 15:13:08 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     Alexandre Courbot <acourbot@...omium.org>,
        Nicolas Dufresne <nicolas@...fresne.ca>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tomasz Figa <tfiga@...gle.com>,
        Irui Wang <irui.wang@...iatek.com>,
        George Sun <george.sun@...iatek.com>,
        Steve Cho <stevecho@...omium.org>, devicetree@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        linux-kernel@...r.kernel.org,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Xiaoyong Lu <xiaoyong.lu@...iatek.com>,
        linux-mediatek@...ts.infradead.org,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org
Subject: Re: [PATCH, v2] media: mediatek: vcodec: Fix non subdev architecture
 open power fail

On Fri, Jun 17, 2022 at 3:25 PM Yunfei Dong <yunfei.dong@...iatek.com> wrote:
>
> According to subdev_bitmap bit value to open hardware power, need to
> set subdev_bitmap value for non subdev architecture.
>
> Fixes: c05bada35f01 ("media: mtk-vcodec: Add to support multi hardware decode")
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>

Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
Tested-by: Chen-Yu Tsai <wenst@...omium.org>

on MT8183 on next-20220617. This makes the hardware operate correctly.
Previously it kept timing out, presumably because the hardware wasn't
properly enabled.