Re: [PATCH v3 0/4] Raspberry Pi 4 VL805 firmware load support

[Nicolas Saenz Julienne]

Hi Oliver,

On Tue, 2020-03-03 at 09:43 +0100, Oliver Neukum wrote:
> Am Montag, den 02.03.2020, 16:55 +0100 schrieb Nicolas Saenz Julienne:
> > On the Raspberry Pi 4, after a PCI reset, VL805's firmware may either be
> > loaded directly from an EEPROM or, if not present, by the SoC's
> > VideCore. This series adds support for the later.
> 
> What happens if runtime PM strikes, in particular, how do
> you deal with D4cold?

The RPi4 PCIe driver doesn't support runtime PM for now. Neither upstream nor
downstream. So I'd say it's not a problem. The same goes for suspend/resume,
which IIRC the Raspberry Pi foundation doesn't support.

Regards,
Nicolas

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