On Tue, 28 Aug 2012 09:53:36 +0300, Jani Nikula <[email protected]> wrote: > From: Daniel Vetter <[email protected]> > > This is a prep patch to stop drm/i915 from changing the LBPC registers > itself - but we still need to properly save/restore it on > suspend/resume.
My presumption was that there were BIOSes out there that only adjusted the LBPC values, and so any device setting that flag would likely only with it through the BIOS hotkeys. I couldn't see any other rational reason for the hardware maintaining multiple interfaces... -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
