[Intel-gfx] [PATCH 03/14] drm/i915: Disable runtime-pm using lowlevel functions if !HAS_RC6

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> If we cannot setup rc6, we cannot let the GPU suspend itself as it
> cannot save its state (to a powercontext). As such, we must disable
> runtime-pm, but we should do so using the low-level pm-runtime function
> which leaves our own debugging functions intact (and continue to detect
> errors in our runtime-pm handling should we ever be able to enable rc6).
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>