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From: Oliver Graute <oliver.graute@kococonnector.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Carlis <zhangxuezhi1@yulong.com>,
	dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] fbtft: fb_st7789v: added reset on init_display()
Date: Fri, 13 Aug 2021 14:54:30 +0200	[thread overview]
Message-ID: <20210813125430.GA1527@optiplex> (raw)
In-Reply-To: <YRYrPfEHrcvDL4va@kroah.com>

On 13/08/21, Greg KH wrote:
> On Fri, Aug 13, 2021 at 08:25:10AM +0200, Oliver Graute wrote:
> > staging: fbtft: fb_st7789v: reset display before initialization
> 
> What is this line here, and why is this not your subject line instead?

I'll put the line as subject instead.

> > In rare cases the display is flipped or mirrored. This was observed more
> > often in a low temperature environment. A clean reset on init_display()
> > should help to get registers in a sane state.
> > 
> > Signed-off-by: Oliver Graute <oliver.graute@kococonnector.com>
> 
> What commit does this fix?

this is a fix for a rare behavior of the fb_st7789v display. Not a
bugfix for a specific commit.

Best regards,

Oliver

  reply	other threads:[~2021-08-13 12:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-13  6:25 [PATCH v1] fbtft: fb_st7789v: added reset on init_display() Oliver Graute
2021-08-13  8:20 ` Greg KH
2021-08-13 12:54   ` Oliver Graute [this message]
2021-08-13 15:00     ` Greg KH
2022-02-10  8:49       ` Oliver Graute

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