Re: [stable 4.19][PATCH 1/4] ARM: dts: am4372: Set memory bandwidth limit for DISPC

[Mathieu Poirier]

On Wed, 16 Oct 2019 at 12:31, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Oct 15, 2019 at 12:59:34AM -0600, Mathieu Poirier wrote:
> > From: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> >
> > commit f90ec6cdf674248dcad85bf9af6e064bf472b841 upstream
> >
> > Set memory bandwidth limit to filter out resolutions above 720p@60Hz to
> > avoid underflow errors due to the bandwidth needs of higher resolutions.
> >
> > am43xx can not provide enough bandwidth to DISPC to correctly handle
> > 'high' resolutions.
> >
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> > Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> > Cc: stable <stable@xxxxxxxxxxxxxxx> # 4.19
> > Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> > ---
> >  arch/arm/boot/dts/am4372.dtsi | 2 ++
> >  1 file changed, 2 insertions(+)
>
> What about 5.3?  Is this ok there?
>

Yes - all the patches in this series are also applicable (and apply) to 5.3.y

Thanks,
Mathieu

> thanks,
>
> greg k-h