drm/i915: Calculate max watermark levels for ILK+
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 7 Aug 2013 10:28:19 +0000 (13:28 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 8 Aug 2013 12:11:11 +0000 (14:11 +0200)
commit158ae64f820939473012dacfc0ae1ec782b45b60
tree07521877bfffadf682c216b9482ddd7422e89937
parent1fd527cc34ed44efa4f59c01ad920479f728b707
drm/i915: Calculate max watermark levels for ILK+

There are quite a few variables we need to take into account to
determine the maximum watermark levels, so it feels a bit cleaner
to calculate those rather than just have a bunch of what look like
magic numbers.

v2: s/pipes_active/num_pipes_active
    s/othwewise/otherwise

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c