linux-kernel - Re: [PATCH v2 2/3] drm/panel: boe-tv101wum-nl6: Reduce lcm

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Date:   Thu, 12 Jan 2023 09:41:33 +0000
From:   Xinlei Lee (李昕磊) 
        <Xinlei.Lee@...iatek.com>
To:     "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "sam@...nborg.org" <sam@...nborg.org>,
        Jitao Shi (石记涛) <jitao.shi@...iatek.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v2 2/3] drm/panel: boe-tv101wum-nl6: Reduce lcm_reset to
 send initial code time

On Tue, 2023-01-10 at 10:20 +0100, AngeloGioacchino Del Regno wrote:
> Il 10/01/23 06:54, xinlei.lee@...iatek.com ha scritto:
> > From: Xinlei Lee <xinlei.lee@...iatek.com>
> > 
> > Since the panel spec stipulates that the time from lcm_reset to DSI
> > to
> > send the initial code should be greater than 6ms and less than
> > 40ms,
> > so reduce the delay before sending the initial code and avoid panel
> > exceptions.
> 
> Please change the commit title to describe what you're doing.
> 
> drm/panel: boe-tv101wum-nl6: Remove extra delay in init commands
> 
> 
> ....and the commit description should also contain something like
> 
> Reduce the delay after LCM reset by removing an extra delay in the
> initialization commands array. The required delay of at least 6ms
> after
> reset is guaranteed by boe_panel_prepare().
> 
> Regards,
> Angelo
> 

Hi Angelo:

Thanks for your suggestions and careful revisions, I will revise my
commit description.

Best Regards!
xinlei