Em Sáb, 2015-08-15 às 09:29 +0100, Chris Wilson escreveu: > On Fri, Aug 14, 2015 at 06:34:13PM -0300, Paulo Zanoni wrote: > > The FBC hardware for these platforms doesn't have access to the > > bios_reserved range, so it always assumes the maximum (8mb) is > > used. > > So avoid this range while allocating. > > > > This solves a bunch of FIFO underruns that happen if you end up > > putting the CFB in that memory range. On my machine, with 32mb of > > stolen, I need a 2560x1440 mode for that. > > If the restriction applies only to FBC, apply it to only fbc. That's what the patch is doing. The part where we set the unusual start/end is at intel_fbc.c:find_compression_threshold(). Everything else should be behaving just as before. Maybe you're being confused by the addition of the stolen_usable_size variable. > -Chris > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
