[Intel-gfx] [RFC] Reduce idle vblank wakeups

2012-05-04 Thread Matthew Garrett
Anyone have any further thoughts on this? -- Matthew Garrett | mjg59 at srcf.ucam.org

Re: [Intel-gfx] [RFC] Reduce idle vblank wakeups

2012-05-04 Thread Matthew Garrett
Anyone have any further thoughts on this? -- Matthew Garrett | mj...@srcf.ucam.org ___ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel

[Intel-gfx] [RFC] Reduce idle vblank wakeups

2011-11-16 Thread Andrew Lutomirski
On Wed, Nov 16, 2011 at 6:19 PM, Matthew Garrett wrote: > On Thu, Nov 17, 2011 at 01:26:37AM +0100, Mario Kleiner wrote: >> On Nov 16, 2011, at 7:48 PM, Matthew Garrett wrote: >> >For Radeon, I'd have thought you could handle this by scheduling >> >an irq >> >for the beginning of scanout (avivo

[Intel-gfx] [RFC] Reduce idle vblank wakeups

2011-11-16 Thread Andrew Lutomirski
2011/11/16 Matthew Garrett : > On Wed, Nov 16, 2011 at 06:03:15PM +0100, Michel D?nzer wrote: > >> I thought the main reason for the delay wasn't broken hardware but to >> avoid constantly ping-ponging the vblank IRQ between on and off with >> apps which regularly neeed the vblank counter value,

Re: [Intel-gfx] [RFC] Reduce idle vblank wakeups

2011-11-16 Thread Andrew Lutomirski
2011/11/16 Matthew Garrett mj...@srcf.ucam.org: On Wed, Nov 16, 2011 at 06:03:15PM +0100, Michel Dänzer wrote: I thought the main reason for the delay wasn't broken hardware but to avoid constantly ping-ponging the vblank IRQ between on and off with apps which regularly neeed the vblank

Re: [Intel-gfx] [RFC] Reduce idle vblank wakeups

2011-11-16 Thread Andrew Lutomirski
On Wed, Nov 16, 2011 at 6:19 PM, Matthew Garrett mj...@srcf.ucam.org wrote: On Thu, Nov 17, 2011 at 01:26:37AM +0100, Mario Kleiner wrote: On Nov 16, 2011, at 7:48 PM, Matthew Garrett wrote: For Radeon, I'd have thought you could handle this by scheduling an irq for the beginning of scanout