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Revert "drm/i915/vlv: fixup DDR freq detection per Punit spec"

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As per the inputs provided by hardware team  we still use DDR
Rates as 0,1=800, 2=1066, 3=1333.
With this change, Turbo freqs used on current machines matches.

This reverts commit f64a28a7c5.

commit f64a28a7c5
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Mon Nov 4 16:07:00 2013 -0800

     drm/i915/vlv: fixup DDR freq detection per Punit spec

v2: Add reference to previous commit which changed this. (Daniel)

Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Deepak S 2014-04-03 21:01:28 +05:30 committed by Daniel Vetter
parent 76c4b25008
commit f6d519481b
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/i915/intel_pm.c
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@ -5064,13 +5064,11 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
mutex_unlock(&dev_priv->rps.hw_lock); mutex_unlock(&dev_priv->rps.hw_lock);
switch ((val >> 6) & 3) { switch ((val >> 6) & 3) {
case 0: case 0:
case 1:
dev_priv->mem_freq = 800; dev_priv->mem_freq = 800;
break; break;
case 1:
dev_priv->mem_freq = 1066;
break;
case 2: case 2:
dev_priv->mem_freq = 1333; dev_priv->mem_freq = 1066;
break; break;
case 3: case 3:
dev_priv->mem_freq = 1333; dev_priv->mem_freq = 1333;