linux-kernel - Re: [PATCH 0/1] drm/panel: st7703: Fix initialization failures on Xingbangda XBD599

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Date:   Sun, 12 Feb 2023 12:21:48 +0100
From:   Guido Günther <guido.gunther@...i.sm>
To:     Frank Oltmanns <frank@...manns.dev>
Cc:     Purism Kernel Team <kernel@...i.sm>,
        Ondrej Jirman <megous@...ous.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/1] drm/panel: st7703: Fix initialization failures on
 Xingbangda XBD599

Hi Frank,

Thanks for giving this another spin!

On Sat, Feb 11, 2023 at 06:17:47PM +0100, Frank Oltmanns wrote:
> This patch fixes intermittent panel initialization failures and screen
> corruption during resume from sleep on panel xingbangda,xbd599 (e.g.
> used in PinePhone).
> 
> It was originally submitted by Ondrej Jirman in July 2020:
> https://lore.kernel.org/all/20200716123753.3552425-1-megous@megous.com/
> 
> The original patchset contained two patches. One of them broke the panel
> on the Purism Librem 5.

Just for completeness: It's the Librem 5 Devkit, the Librem 5 uses the
mantix,mlaf057we51-x panel.

> This is the concluding message from Guido Günther in that thread:
> https://lore.kernel.org/all/20200801110409.GA6351@bogon.m.sigxcpu.org/#t
> 
> Guido wanted changes to the commit message. I updated it to adress his
> requests.
> 
> I send this patch in Ondřej's name with his consent.
> 
> The patch is based on drm-next.
> 
> Please let me know what you think.

I'll retest this on the devkit on the next days, might be a moment until
I get to that.

Cheers,
 -- Guido