On Fri, Jan 19, 2018 at 10:02:12PM +, Pandiyan, Dhinakaran wrote:
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> 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
>
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
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 as a negative diff (huge unsigned diff) is calculated from the HW
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 as a negative diff (huge unsigned diff) is calculated from the HW
frame counter change. We cannot ignore negative diffs altogther as there
co