drm/i915: Disable FBC WM on ILK, and disable LP2+ when FBC is enabled

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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>

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Ville Syrjälä 2013-12-05 15:51:35 +02:00 • committed by Daniel Vetter

parent 0ba22e26fe

commit 6c8b6c2887

1 changed files with 16 additions and 1 deletions

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17

drivers/gpu/drm/i915/intel_pm.c

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