Re: [Intel-gfx] [PATCH] drm/atomic-helper: Skip vblank waits for unchanged fbs

2014-11-24 Thread Jasper St. Pierre
With the oops fix: Reviewed-by: Jasper St. Pierre Tested-by: Jasper St. Pierre On Mon, Nov 24, 2014 at 12:42 PM, Daniel Vetter wrote: > Especially with legacy cursor ioctls existing userspace assumes that > you can pile up lots of updates in one go. The super-proper way to > support this woul

[Intel-gfx] [PATCH] drm/atomic-helper: Skip vblank waits for unchanged fbs

2014-11-24 Thread Daniel Vetter
Especially with legacy cursor ioctls existing userspace assumes that you can pile up lots of updates in one go. The super-proper way to support this would be a special commit mode which overwrites the last update. But getting there will be quite a bit of work. Meanwhile do what pretty much all the

[Intel-gfx] [PATCH] drm/atomic-helper: Skip vblank waits for unchanged fbs

2014-11-24 Thread Daniel Vetter
Especially with legacy cursor ioctls existing userspace assumes that you can pile up lots of updates in one go. The super-proper way to support this would be a special commit mode which overwrites the last update. But getting there will be quite a bit of work. Meanwhile do what pretty much all the