APPLIED Re: [SRU][OEM-5.6][PATCH 0/1] Add an OEM _OSI string to workaround auto-wakeup

Timo Aaltonen tjaalton at ubuntu.com
Wed Nov 11 06:43:47 UTC 2020


On 2.11.2020 22.59, Alex Hung wrote:
> BugLink: https://bugs.launchpad.net/bugs/1902577
> 
> [Impact]
> TGL systems wake up automatically from s2idle when connecting to a docking
> station with a monitor. The wake-up events are generated when BIOS sets
> ALL_MONITOR_OFF for power-saving on TGL systems.
> 
> [Fix]
> A BIOS workaround is used to skip ALL_MONITOR_OFF with an _OSI string
> "Linux-Dell-USB4-Wakeup".
> 
> [Test]
> Verified on Dell's TigerLake platforms
> 
> [Regression Potential]
> Low. This only works on platforms supporting "Linux-Dell-USB4-Wakeup".
> No other platforms will be affected.
> 
> 
> Alex Hung (1):
>    UBUNTU: SAUCE: ACPI: avoid auto-wakeup with an _OSI string
> 
>   drivers/acpi/osi.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 

applied to oem-5.6, but shouldn't this also be sent for groovy and up?

-- 
t



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