diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index bec4e0e3d549..f52431b1a058 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4487,6 +4487,10 @@ static void gen6_set_rps(struct drm_device *dev, u8 val) { struct drm_i915_private *dev_priv = dev->dev_private; + /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */ + if (IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) + return; + WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); WARN_ON(val > dev_priv->rps.max_freq); WARN_ON(val < dev_priv->rps.min_freq); @@ -4807,6 +4811,12 @@ static void gen9_enable_rps(struct drm_device *dev) gen6_init_rps_frequencies(dev); + /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */ + if (IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) { + intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); + return; + } + /* Program defaults and thresholds for RPS*/ I915_WRITE(GEN6_RC_VIDEO_FREQ, GEN9_FREQUENCY(dev_priv->rps.rp1_freq)); |