On Wed, Sep 10, 2014 at 05:36:09PM +0200, Daniel Vetter wrote:
> Drivers without a hardware vblank counter simply can't account for the
> vblanks that happened while the vblank interrupt was off. To check
> this grab a vblank timestamp and if the result is dubious follow the
> normal save-and-disab
Drivers without a hardware vblank counter simply can't account for the
vblanks that happened while the vblank interrupt was off. To check
this grab a vblank timestamp and if the result is dubious follow the
normal save-and-disable logic.
Drivers should prevent this by setting vblank_disable_allowe