Ordering Dell XPS 13 9310 to test QCA6390

Stelian Pop stelian at popies.net
Thu Feb 25 03:21:48 EST 2021

Hi Justin,

On Wed, Feb 24, 2021 at 05:38:12PM -0500, Justin Mazzola Paluska wrote:

> No, the behavior I see on a pre-2.0.0 BIOS is:
> s2idle suspend works well (including getting into S0ix states) with no
> effort on my part.  I have no idea if s2idle does rfkill by itself, but all
> I do is shut the lid and the right thing happens.
> Opportunistic S0ix (when the laptop is fully powered up and in use) only
> happens if I use rfkill to shut down WiFi and Bluetooth.  If either WiFi or
> Bluetooth are on, the laptop stays in power states well above the
> lowest-power SOix states.

Thanks for the clarification !

> It sounds like the 2.0.0 BIOS prevents whatever s2idle is doing from working
> without an rfkill.

Nope, rfkill or not, the 2.0.0 BIOS prevents s2idle (and opportunistic S0ix)
reach low power S0ix states. s2idle still kinda works (kernel says it enters
and exists s2idle suspend), but system remains in PC3 state instead of going
to PC10 and beyond.!

Stelian Pop <stelian at popies.net>

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