[PATCH] drm/i915/bxt: Broxton doesn't use gen9 scaling for rps frequencies.

Bob Paauwe
2015-11-09T23:28:45Z

Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92768
---
drivers/gpu/drm/i915/intel_pm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 647c0ff..fc5097f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7138,7 +7138,7 @@ 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_GEN9(dev_priv->dev))
+ if (IS_GEN9(dev_priv->dev) && !IS_BROXTON(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);
@@ -7150,7 +7150,7 @@ 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_GEN9(dev_priv->dev))
+ if (IS_GEN9(dev_priv->dev) && !IS_BROXTON(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);
--
2.4.3