Re: [Intel-gfx] [PATCH 4/5] drm/vblank: Restoring vblank counts after device PM events.

2018-01-19 Thread Rodrigo Vivi
On Fri, Jan 19, 2018 at 10:02:12PM +, Pandiyan, Dhinakaran wrote: > > > > On Fri, 2018-01-19 at 00:01 -0800, Rodrigo Vivi wrote: > > On Fri, Jan 12, 2018 at 09:57:06PM +, Dhinakaran Pandiyan wrote: > > > The HW frame counter can get reset if device enters a low power state > > > after >

Re: [Intel-gfx] [PATCH 4/5] drm/vblank: Restoring vblank counts after device PM events.

2018-01-19 Thread Pandiyan, Dhinakaran
On Fri, 2018-01-19 at 00:01 -0800, Rodrigo Vivi wrote: > On Fri, Jan 12, 2018 at 09:57:06PM +, Dhinakaran Pandiyan wrote: > > The HW frame counter can get reset if device enters a low power state after > > vblank interrupts were disabled. This messes up any following vblank count > > update