From: Deepak S <deepak.s@xxxxxxxxxxxxxxx>
Adding chv specific fre/encode conversion.
Signed-off-by: Deepak S <deepak.s@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 68 +++++++++++++++++++++++++++++++++++------
1 file changed, 59 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 6c19ce5..6abd05b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6975,26 +6975,76 @@ int vlv_freq_opcode(struct drm_i915_private *dev_priv, int val)
return DIV_ROUND_CLOSEST(4 * mul * val, dev_priv->mem_freq) + 0xbd - 6;
}
-int intel_gpu_freq(struct drm_i915_private *dev_priv, int val)
+int chv_gpu_freq(struct drm_i915_private *dev_priv, int val)
{
- int ret;
+ int div, freq;
- if (!IS_VALLEYVIEW(dev_priv->dev))
+ switch (dev_priv->rps.cz_freq) {
+ case 200:
+ div = 5;
+ break;
+ case 267:
+ div = 6;
+ break;
+ case 320:
+ case 333:
+ case 400:
+ div = 8;
+ break;
+ default:
return -1;
+ }
- ret = vlv_gpu_freq(dev_priv, val);
+ freq = (DIV_ROUND_CLOSEST((dev_priv->rps.cz_freq * val), 2 * div) / 2);
- return ret;
+ return freq;
}
-int intel_freq_opcode(struct drm_i915_private *dev_priv, int val)
+int chv_freq_opcode(struct drm_i915_private *dev_priv, int val)
{
- int ret;
+ int mul, opcode;
- if (!IS_VALLEYVIEW(dev_priv->dev))
+ switch (dev_priv->rps.cz_freq) {
+ case 200:
+ mul = 5;
+ break;
+ case 267:
+ mul = 6;
+ break;
+ case 320:
+ case 333:
+ case 400:
+ mul = 8;
+ break;
+ default:
return -1;
+ }
+
+ opcode = (DIV_ROUND_CLOSEST((val * 2 * mul), dev_priv->rps.cz_freq) * 2);
+
+ return opcode;
+}
+
+int intel_gpu_freq(struct drm_i915_private *dev_priv, int val)
+{
+ int ret = -1;
+
+ if (IS_CHERRYVIEW(dev_priv->dev))
+ ret = chv_gpu_freq(dev_priv, val);
+ else if (IS_VALLEYVIEW(dev_priv->dev))
+ ret = vlv_gpu_freq(dev_priv, val);
+
+ return ret;
+}
+
+int intel_freq_opcode(struct drm_i915_private *dev_priv, int val)
+{
+ int ret = -1;
- ret = vlv_freq_opcode(dev_priv, val);
+ if (IS_CHERRYVIEW(dev_priv->dev))
+ ret = chv_freq_opcode(dev_priv, val);
+ else if (IS_VALLEYVIEW(dev_priv->dev))
+ ret = vlv_freq_opcode(dev_priv, val);
return ret;
}
--
1.9.1
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