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

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 f64a28a7c5ab2fc342326de9e126acf3cc0f91d6.

commit f64a28a7c5ab2fc342326de9e126acf3cc0f91d6
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>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9277265dc9a6d056786efad996ded8130bb56048..b20a26584e06246a8f8e41b550cdd27c30386b36 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5064,13 +5064,11 @@ static void valleyview_init_clock_gating(struct drm_device *dev)
        mutex_unlock(&dev_priv->rps.hw_lock);
        switch ((val >> 6) & 3) {
        case 0:
-               dev_priv->mem_freq = 800;
-               break;
        case 1:
-               dev_priv->mem_freq = 1066;
+               dev_priv->mem_freq = 800;
                break;
        case 2:
-               dev_priv->mem_freq = 1333;
+               dev_priv->mem_freq = 1066;
                break;
        case 3:
                dev_priv->mem_freq = 1333;