please ignore this one and other two (libdrm and igt) with exec flag... will do a v2 and resend soon.. On Tue, Oct 15, 2013 at 1:14 PM, Eric Anholt <eric@xxxxxxxxxx> wrote: > Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> writes: > >> Rendering buffers that need full GT power can request full power through >> this I915_EXEC_GT_FULL flag. If the default is the power saving with half >> slices off it executes LRIs to immediately enable all slices. > > How is userspace supposed to decide that the GPU needs to be at full > power? Power management is a system problem which wants awareness of > the total load on the GPU from all clients, not just 1. The kernel can > get that information, but userspace can't. > > Basically, if you give userspace this knob, userspace will just have to > set it on every batchbuffer. At which point, why give them the knob at > all? -- Rodrigo Vivi Blog: http://blog.vivi.eng.br _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
