Messages in this thread | | | Subject | Re: [PATCH v3 0/4] Raspberry Pi 4 VL805 firmware load support | From | Nicolas Saenz Julienne <> | Date | Tue, 03 Mar 2020 12:08:25 +0100 |
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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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