Sup, -> f8 on my Thinkpad W530
On 05.04.19 20:21, Patrick Rudolph wrote: > Hi folks, > In order to add Nvidia Optimus support on Lenovo laptops, I'm trying > to fix the last issues on [1], but I need your help to do some test on > Lenovo's firmware. > On Lenovo Sandy Bridge / Ivy Bridge series the PMH7 register 0x50 > controls dGPU power. > Comments on Gerrit show that different bits on different generations > are used. > > Please use util/pmh7tool on vendor firmware with Optimus enabled and > graphics driver loaded: > > $ ./pmh7tool -r 0x50 > > To wake the GPU from sleep, you can simply run lspci, or a graphical > 3D application. > It will go back to sleep after a few seconds of idle. > > Please report which bits toggle and the device you run tests on. > It will help to add proper Nvidia Optimus support to all Lenovo laptops. > > > 1: https://review.coreboot.org/#/c/coreboot/+/28380/ > > Regards, > Patrick > _______________________________________________ > coreboot mailing list -- [email protected] > To unsubscribe send an email to [email protected]
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