On Fri, Feb 02, 2018 at 09:13:01PM -0800, Dhinakaran Pandiyan wrote:
> From: "Pandiyan, Dhinakaran"
>
> 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 unsign
From: "Pandiyan, Dhinakaran"
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 negat