Re: [PATCH] platform/x86/amd: pmc: Require at least 2.5 seconds between HW sleep cycles

["Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>]

On Mon, 14 Apr 2025 11:24:00 -0500, Mario Limonciello wrote:

> When an APU exits HW sleep with no active wake sources the Linux kernel will
> rapidly assert that the APU can enter back into HW sleep. This happens in a
> few ms. Contrasting this to Windows, Windows can take 10s of seconds to
> enter back into the resiliency phase for Modern Standby.
> 
> For some situations this can be problematic because it can cause leakage
> from VDDCR_SOC to VDD_MISC and force VDD_MISC outside of the electrical
> design guide specifications. On some designs this will trip the over
> voltage protection feature (OVP) of the voltage regulator module, but it
> could cause APU damage as well.
> 
> [...]


Thank you for your contribution, it has been applied to my local
review-ilpo-fixes branch. Note it will show up in the public
platform-drivers-x86/review-ilpo-fixes branch only once I've pushed my
local branch there, which might take a while.

The list of commits applied:
[1/1] platform/x86/amd: pmc: Require at least 2.5 seconds between HW sleep cycles
      commit: 9f5595d5f03fd4dc640607a71e89a1daa68fd19d

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 i.