Bug 205623

Summary: Runpm broken on Nvidia GPUs with 0x1901 Intel bridge controller
Product: Power Management Reporter: Karol Herbst (karolherbst)
Component: Run-Time-PMAssignee: Rafael J. Wysocki (rjw)
Status: RESOLVED CODE_FIX    
Severity: normal CC: andrey+kernel, ivan, kherbst, moises.soares.eel, tony
Priority: P1    
Hardware: x86-64   
OS: Linux   
Kernel Version: 5.3 Tree: Mainline
Regression: No
Attachments: lspci -tvnn
lspci -nn
dmesg
acpidump of the XPS 9560
lspci -s 00:01.0 -vv

Description Karol Herbst 2019-11-22 00:21:07 UTC
Created attachment 286009 [details]
lspci -tvnn

Runpm is doesn't work on laptops with an Nvidia GPU and the Intel bridge controller with the PCI device ID 0x1901.

This issue was a discussed a lot on mailing lists and I will dump information here as I go.
Comment 1 Karol Herbst 2019-11-22 00:22:21 UTC
Created attachment 286011 [details]
lspci -nn
Comment 2 Karol Herbst 2019-11-22 00:22:56 UTC
Created attachment 286013 [details]
dmesg
Comment 3 Karol Herbst 2019-11-22 00:25:45 UTC
Created attachment 286015 [details]
acpidump of the XPS 9560
Comment 4 Karol Herbst 2019-11-22 13:36:43 UTC
Created attachment 286023 [details]
lspci -s 00:01.0 -vv
Comment 5 Karol Herbst 2020-04-14 10:13:59 UTC
fixed in 5.7-rc1