HI Chris, I retested idle power, idle power is the same(12.5 w) with patch and without patch. maybe the machine is unstable after plugged in power. > -----Original Message----- > From: Chris Wilson [mailto:chris@xxxxxxxxxxxxxxxxxx] > Sent: Thursday, August 01, 2013 3:44 PM > To: Zhang, Ouping > Cc: Jesse Barnes; intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Meng, Mengmeng; Jin, > Gordon > Subject: Re: [PATCH] drm/i915: Adjustable Render Power State > policies > > On Thu, Aug 01, 2013 at 05:15:36AM +0000, Zhang, Ouping wrote: > > Test patch on Harris Beach, > > max frequency: 1100 > > lowest frequency : 200 > > > > For doom3, When waking from idle, boost the render frequency to RP1(200). > At every upclock request, increase to halfway between the current frequency > and maximum. attached the frequency changing of doom3. > > Applied the patch, performance improved, but consumed more power, except > smokin-guns workload, performance improved and consumed less power. > > Hmm, the plan was not to affect idle power consumption. Can you log > measured frequency and rc6 state whilst idle? I wonder if something is > preventing the system from idling. Maybe we need something like perf > timechart to measure wakeups over time. > -Chris > > -- > Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
