Quoting Dhinakaran Pandiyan (2018-01-03 20:39:57)
> Updating the vblank counts requires register reads and these reads may not
> return meaningful values after the vblank interrupts are disabled as the
> device may go to low power state. An additional change would be to allow
> the driver to save
Updating the vblank counts requires register reads and these reads may not
return meaningful values after the vblank interrupts are disabled as the
device may go to low power state. An additional change would be to allow
the driver to save the vblank counts before entering a low power state, but
Updating the vblank counts requires register reads and these reads may not
return meaningful values after the vblank interrupts are disabled as the
device may go to low power state. An additional change would be to allow
the driver to save the vblank counts before entering a low power state, but
