> On Jun 28, 2017, at 4:20 AM, David Airlie <airlied@xxxxxxxxxx> wrote: > > >> I ran into this today: >> https://gist.github.com/Brainiarc7/aa43570f512906e882ad6cdd835efe57 >> >> DRM firmware is loaded by default. HuC and GuC are not. Things work >> without them, and things work with them loaded. So what's the pro/con >> and if there's a pro, why isn't it the kernel default? Seems like if >> it should be default, either upstream should set them as the default, >> or the CPU/GPU should ask for it? > > I expect when upstream decided they are stable and useful enough, upstream > will enable them. I'm not fully sure how useful they are, I think they > might possibly enable lower power states, but also nasty bugs. > > HUC is used for bit rate control when using the low power fixed function AVC encoder(vdenc) on supported platforms. (Libva/intel-vapid-driver) > Dave. > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
