On Wed, 2017-06-28 at 05:20 -0400, David Airlie 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. And Ironlakes [1] ? Can I get any better performance, if I try enable RC6 p-states ? by this link [2] is for 4th-gen ... Dell release an update for BIOS [3] Best regards, [1] Xorg.0.log [ 1122.762] (II) intel(0): SNA initialized with Ironlake (gen5) backend dmesg | grep drm [ 22.588888] [drm] RC6 disabled, disabling runtime PM support [2] https://superuser.com/a/783944/176412 [3] Dell Latitude E6410 System BIOS This package provides the BIOS update for Dell Latitude E6410/6410ATG and is supported on Latitude E6410/6410ATG models (...) Fixes: - Updated Intel ME Firmware to address security advisory CVE-2017-5689 / INTEL-SA-00075. -- Sérgio M. B. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
