03:50 <freekurt[m]> <JensGlathe[m]> "What a PITA to get this up...." <- That's what she said.

18:32 <anthony25> how high is the idle consumption, screen off, of your x1e laptop?

18:32 <anthony25> on my yoga slim 7x it's at 3.2W, which I find pretty high, and I couldn't narrow down what consumes that much

19:25 <steev> there are, afaik, a number of regulators that are running full time

19:28 <robclark> and maybe still a pci+nvme issue pending which is worked around by not disabling some pci related clks (preventing hitting the deepest power states)?

19:35 <anthony25> difficult to say without knowing if the consumption is do to a regulator or PCIe device, or if it's due to the CPU

19:40 <robclark> if the cpu is indeed idle it should be hitting a power state where it draws almost no power.. there additionally can be board level dt issues with regulators left enabled, etc. Bottom line is the power draw is higher than it should be right now, compared to windows, but there are folks looking into (at least some of) the issues.

19:41 <robclark> (also, I seems to be also seeing the same issue on 7x with cpu repeatedly resuming and going back to sleep with the lid closed.. so maybe some irq is configured as a wakeup src when it shouldn't be?)

19:50 <HdkR> I noticed in EL0 that wfe behaves like a nop. Which the kernel uses wfe+wfi for `cpu_park_loop`. Could be either wfi saving that, or EL1 can actually wait, or maybe it is still aggressively spin looping while idle there? :D

19:53 <HdkR> At least for Oryon. sm8650 wfe works as expected now

19:58 <robclark> is there some configuration for how long wfe should wait before going into a lower power state. Presumably you only want to do that if your not about to come out of that state immediately?

20:01 <HdkR> Yea, there is IMP_CPUPWRCTLR_EL1, bits [9:7] WFE_RET_CTRL and [6:4] WFI_RET_CTRL. Also bit 0 lets you control if the CPU powers down or not when entering WFE/WFI

20:05 <HdkR> Not sure if that's actually available on oryon

20:08 <HdkR> wfet is also the cool new hip thing to use if you want a real timer tied to the wfe