Re: [Intel-gfx] Interrupt latency on some 945GM platforms

2010-09-17 Thread Vasily Khoruzhick
В сообщении от 17 of September 2010 19:30:26 автор Jesse Barnes написал: > Yeah if that works we could definitely add some qos calls to the driver. > When vblanks are alive we'd need a latency less tha the refresh rate, and > when commands are oustanding we'd probably want it even lower. > > Vasi

Re: [Intel-gfx] Interrupt latency on some 945GM platforms

2010-09-17 Thread Jesse Barnes
Yeah if that works we could definitely add some qos calls to the driver. When vblanks are alive we'd need a latency less tha the refresh rate, and when commands are oustanding we'd probably want it even lower. Vasily, can you try the qos workaround on your machine and see if it works too? Than

Re: [Intel-gfx] Interrupt latency on some 945GM platforms

2010-09-17 Thread Simon Farnsworth
On Thursday 16 September 2010, Vasily Khoruzhick wrote: > В сообщении от 15 of September 2010 01:41:11 автор Sitsofe Wheeler написал: > > > > processor.max_cstate=2 > > > > > > Nope, it doesn't work with max_cstate=2 > > > > Perhaps intel_idle is being used? Any mention of it in dmesg? > >