On Tue, Aug 26, 2014 at 4:57 PM, Eric Rannaud <eric.rannaud@xxxxxxxxx> wrote: > On Tue, Aug 26, 2014 at 6:38 AM, Eric Rannaud <eric.rannaud@xxxxxxxxx> wrote: >> Could the FBC commit somehow also disable RC6, or similar? > > I just tried these kernel arguments with no significant effect on > power consumption (i.e. still around 11W in idle, instead of under > 7W): > i915.enable_rc6=1 i915.lvds_downclock=1 pcie_aspm=force > > Forcing FBC with i915.enable_fbc=1 brings the idle power consumption > back to under 7W, however. > This is all on 3.15.4-ARCH-00041-gf4db98240ac2. Any significant changes in package C state as reported in powertop? Indeed fairly impressive how much fbc saves here ... -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
