On Sat, Feb 03, 2018 at 10:13:36AM +0000, Chris Wilson wrote: > Quoting Chris Wilson (2018-01-26 21:39:28) > > Quoting Chris Wilson (2018-01-25 21:28:49) > > > It is taking longer than a couple of seconds for the FBC worker to be > > > executed after scheduling; and then will take a minimum of a vblank > > > interval for it activate. So wait longer to reduce the flip flops. > > > > > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > > > Any acks? > > Still looking for a response here. CI says that 2s isn't enough for FBC > to kick in (it spends most of that time waiting for an invalidate, and > then at the every end about 5ms waiting for the next vblank). > > In terms of human response, we don't care so much how long it takes to > enable FBC, but how long it takes to disable; similarly for PSR. The > downside to it taking longer than expected to enable FBC is power > consumption. Is the display block hooked up to rapl? Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> > -Chris > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
