Jesse Barnes <jbarnes at virtuousgeek.org> writes: > On Tue, 09 Oct 2012 13:05:54 -0700 > Eric Anholt <eric at anholt.net> wrote: > >> On my new MBA with danvet's drm-intel-next-queued, I'm not getting >> working RPS. vblank_mode=0 glxgears never ups the frequency, and >> vblank_mode=0 openarena only makes it up to 500mhz. Reverting >> 1ee9ae3244c4789f3184c5123f3b2d7e405b3f4c gets the machine to responsive >> RPS: fully on while the GPU is busy, fully lowered when it's not. >> >> Since we're always just looking for all-on or all-off and never see >> workloads that actually want to be somewhere in between, could we please >> just move to race to idle for RPS? > > Ramping to the max freq is fine for benchmarking. But for normal > vblank throttled activity, using the lowest freq (assuming it's > above our nominal freq) that can hit the refresh is the right answer > from a power perspective. Have you seen any workloads where a middle frequency value is actually chosen by the current RPS system? -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 197 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20121012/3a769006/attachment.pgp>
