drm/i915: Enable EI mode for RCx decision making on Sandybridge

And no I have no idea what the difference is either, just that is the
recommendation.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-12-17 10:54:26 +00:00
parent 6714afb108
commit 9c3d2f7ffa

View file

@ -6141,6 +6141,7 @@ static void gen6_enable_rc6(struct drm_i915_private *dev_priv)
I915_WRITE(GEN6_RC_CONTROL,
GEN6_RC_CTL_RC6p_ENABLE |
GEN6_RC_CTL_RC6_ENABLE |
GEN6_RC_CTL_EI_MODE(1) |
GEN6_RC_CTL_HW_ENABLE);
I915_WRITE(GEN6_RC_NORMAL_FREQ,