[Intel-gfx] [PATCH 3/5] drm/i915: Enable vblanks after verifying power domain states.

[Pandiyan, Dhinakaran]

On Thu, 2018-01-04 at 12:35 +0100, Maarten Lankhorst wrote:
> Wouldn't it be better to make intel_power_domains_verify_state work
> correctly with the vblank irq?

I tried to :) Since I changed the domain_use_count to atomic_t and moved
it outside of the locks, verify_state became racy. Let me take another
look.

-DK