Re: [PATCH] ARM: dts: bcm283x: Use firmware PM driver for V3D

[Nicolas Saenz Julienne]

On Tue, 2020-03-03 at 19:17 +0100, Stefan Wahren wrote:
> Hi Nicolas,
> 
> Am 03.03.20 um 18:32 schrieb Nicolas Saenz Julienne:
> > The register based driver turned out to be unstable, specially on RPi3a+
> > but not limited to it. While a fix is being worked on, we roll back to
> > using firmware based scheme.
> > 
> > Fixes: e1dc2b2e1bef ("ARM: bcm283x: Switch V3D over to using the PM driver
> > instead of firmware")
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>
> > ---
> > 
> > See https://github.com/raspberrypi/linux/issues/3046 for more reference.
> > Note: I tested this on RPi3b, RPi3a+ and RPi2b.
> 
> as i already wrote this prevent X to start on current Raspbian on my
> Raspberry Pi 3A+ (multi_v7_defconfig, no u-boot). We must be careful here.
> 
> I will take a look at the debug UART. Maybe there are more helpful
> information.

It seems we're seeing different things, I tested this on raspbian
(multi_v7_defconfig) and on arm64. I'll try again from scratch tomorrow.

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