Re: [PATCH v1] fbtft: fb_st7789v: added reset on init_display()

From: Oliver Graute
Date: Fri Aug 13 2021 - 08:54:45 EST


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@xxxxxxxxxxxxxxxxx>
>
> 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