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

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Message-ID: <3b6c19a9-66ac-a18c-cb3b-144066077bd1@collabora.com>
Date:   Tue, 10 Jan 2023 10:20:24 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     xinlei.lee@...iatek.com, chunkuang.hu@...nel.org,
        p.zabel@...gutronix.de, airlied@...ux.ie, daniel@...ll.ch,
        matthias.bgg@...il.com, jitao.shi@...iatek.com,
        thierry.reding@...il.com, sam@...nborg.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        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

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