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

From: Greg KH
Date: Wed Oct 16 2019 - 14:31:27 EST


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?

thanks,

greg k-h