drm/i915: Disable FBC WM on ILK, and disable LP2+ when FBC is enabled
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 5 Dec 2013 13:51:35 +0000 (15:51 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 17 Dec 2013 12:17:54 +0000 (13:17 +0100)
commit6c8b6c288783b05733de31fb61fc8ebfa8ae0229
tree52302ef3d166ce9f71c2fa20525b0c9b573f20be
parent0ba22e26fe47b2a216e5438292aeeb8e015e9d64
drm/i915: Disable FBC WM on ILK, and disable LP2+ when FBC is enabled

ILK has a bunch of issues with FBC. First of all, BSpec tells us that
FBC WM should never be enabled. Secondly when FBC is enabled
with FBC WM disabled, LP2+ watermarks must be disabled.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c