drm/i915: Future proof interrupt handler.
drm/i915: Future proof interrupt handler.

These functions are already being called for gen >= 9,
so let's be sure when this happens we use whatever is
there already for the latest platform.

No functional change.

Signed-off-by: Rodrigo Vivi <f714145d6ee82178e54021e0c168f56d17b53c9c@intel.com>
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs