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

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Message-ID: <20191016183121.GD801860@kroah.com>
Date:   Wed, 16 Oct 2019 11:31:21 -0700
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [stable 4.19][PATCH 1/4] ARM: dts: am4372: Set memory bandwidth
 limit for DISPC

On Tue, Oct 15, 2019 at 12:59:34AM -0600, Mathieu Poirier wrote:
> From: Peter Ujfalusi <peter.ujfalusi@...com>
> 
> commit f90ec6cdf674248dcad85bf9af6e064bf472b841 upstream
> 
> Set memory bandwidth limit to filter out resolutions above 720p@...z 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@...com>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...com>
> Signed-off-by: Tony Lindgren <tony@...mide.com>
> Cc: stable <stable@...r.kernel.org> # 4.19
> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> ---
>  arch/arm/boot/dts/am4372.dtsi | 2 ++
>  1 file changed, 2 insertions(+)

What about 5.3?  Is this ok there?

thanks,

greg k-h