linux-kernel - Re: [PATCH v2, 0/4] Cooperate with DSI RX devices to modify dsi funcs and delay mipi high to cooperate with panel sequence

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Message-ID: <87lexq2aw4.fsf@intel.com>
Date:   Fri, 04 Mar 2022 13:51:55 +0200
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     xinlei.lee@...iatek.com, chunkuang.hu@...nel.org,
        p.zabel@...gutronix.de, airlied@...ux.ie, daniel@...ll.ch,
        matthias.bgg@...il.com
Cc:     jitao.shi@...iatek.com, allen-kh.cheng@...iatek.com,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        linux-mediatek@...ts.infradead.org, rex-bc.chen@...iatek.com,
        linux-arm-kernel@...ts.infradead.org,
        Xinlei Lee <xinlei.lee@...iatek.com>
Subject: Re: [PATCH v2, 0/4] Cooperate with DSI RX devices to modify dsi
 funcs and delay mipi high to cooperate with panel sequence


Please also prefix cover letters with drm/mediatek if that's the only
place you're touching.

BR,
Jani.


On Fri, 04 Mar 2022, <xinlei.lee@...iatek.com> wrote:
> From: Xinlei Lee <xinlei.lee@...iatek.com>
>
> In upstream-v5.8, dsi_enable will operate panel_enable, but this
> modification has been moved in v5.9. In order to ensure the timing of
> dsi_power_on/off and the timing of pulling up/down the MIPI signal,
> the modification of v5.9 is synchronized in this series of patches.
>
> Changes since v1:
> 1. Dsi sequence marked with patch adjustment
> 2. Fixes: mtk_dsi: Use the drm_panel_bridge
>
> Jitao Shi (3):
>   drm/mediatek: Adjust the timing of mipi signal from LP00 to LP11
>   drm/mediatek: Separate poweron/poweroff from enable/disable and define
>     new funcs
>   drm/mediatek: keep dsi as LP00 before dcs cmds transfer
>
> Xinlei Lee (1):
>   drm/mediatek: Add pull-down MIPI operation in mtk_dsi_poweroff
>     function
>
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 73 ++++++++++++++++++++----------
>  1 file changed, 49 insertions(+), 24 deletions(-)

-- 
Jani Nikula, Intel Open Source Graphics Center