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authorAkash Goel <akash.goel@intel.com>2015-03-06 11:07:15 +0530
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-03-17 22:30:22 +0100
commit80b6dda453cd27071950f28862134dea832573ec (patch)
tree2cfd3f25c296a1048e4ffddee7b927795042ce22 /drivers/gpu/drm/i915/intel_pm.c
parentde43ae9dd263d50addd2c76b507dc0d1f1c5a1b3 (diff)
drm/i915/skl: Updated intel_gpu_freq() and intel_freq_opcode()
On SKL, frequency is specified in units of 16.66 MHZ. Updated the intel_gpu_freq() and intel_freq_opecode() functions to do the conversion appropriately. Signed-off-by: Akash Goel <akash.goel@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index bb359905d805..c0901ec47bcf 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6696,7 +6696,9 @@ static int chv_freq_opcode(struct drm_i915_private *dev_priv, int val)
int intel_gpu_freq(struct drm_i915_private *dev_priv, int val)
{
- if (IS_CHERRYVIEW(dev_priv->dev))
+ if (IS_GEN9(dev_priv->dev))
+ return (val * GT_FREQUENCY_MULTIPLIER) / GEN9_FREQ_SCALER;
+ else if (IS_CHERRYVIEW(dev_priv->dev))
return chv_gpu_freq(dev_priv, val);
else if (IS_VALLEYVIEW(dev_priv->dev))
return byt_gpu_freq(dev_priv, val);
@@ -6706,7 +6708,9 @@ int intel_gpu_freq(struct drm_i915_private *dev_priv, int val)
int intel_freq_opcode(struct drm_i915_private *dev_priv, int val)
{
- if (IS_CHERRYVIEW(dev_priv->dev))
+ if (IS_GEN9(dev_priv->dev))
+ return (val * GEN9_FREQ_SCALER) / GT_FREQUENCY_MULTIPLIER;
+ else if (IS_CHERRYVIEW(dev_priv->dev))
return chv_freq_opcode(dev_priv, val);
else if (IS_VALLEYVIEW(dev_priv->dev))
return byt_freq_opcode(dev_priv, val);