2016-09-23 Andrzej Hajda :
> Exynos DRM devices update their registers at vblank time. Exynos-DRM uses
> custom mechanism to wait for vblank. This mechanism is error prone -
> variables are not updated atomically. As a result in certain circumstances
> user space can try to free buffers which are
Exynos DRM devices update their registers at vblank time. Exynos-DRM uses
custom mechanism to wait for vblank. This mechanism is error prone -
variables are not updated atomically. As a result in certain circumstances
user space can try to free buffers which are still in use by hardware,
in such ca
