drm/i915: split aligned height calculation out v2

For use by get_plane_config.

v2: cleanup tile_height bits (Chris)

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2014-02-07 12:10:35 -08:00 • committed by Daniel Vetter
commit a57ce0b2b7