drm/i915: Introduce vlv_invert_wm_value()
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 28 Nov 2016 17:37:09 +0000 (19:37 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 5 Dec 2016 14:23:26 +0000 (16:23 +0200)
commit26cca0e5f32418a03c1c87bd5d5813612052b1c3
treee5fadec04ff998a3987a13f3201e970d0c30a489
parent1b31389cd0e61480950ac366d76a335066af19e2
drm/i915: Introduce vlv_invert_wm_value()

Add a small helper to do invert the vlv/chv values. Less fragile
perhaps, and let's us clearly mark all overlarge wateramarks as
disabled (by just making them all USHRT_MAX).

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1480354637-14209-8-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
drivers/gpu/drm/i915/intel_pm.c