summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c0901ec47bcf..f240e8578e00 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4181,6 +4181,13 @@ static void gen6_init_rps_frequencies(struct drm_device *dev)
dev_priv->rps.rp0_freq = (rp_state_cap >> 0) & 0xff;
dev_priv->rps.rp1_freq = (rp_state_cap >> 8) & 0xff;
dev_priv->rps.min_freq = (rp_state_cap >> 16) & 0xff;
+ if (IS_SKYLAKE(dev)) {
+ /* Store the frequency values in 16.66 MHZ units, which is
+ the natural hardware unit for SKL */
+ dev_priv->rps.rp0_freq *= GEN9_FREQ_SCALER;
+ dev_priv->rps.rp1_freq *= GEN9_FREQ_SCALER;
+ dev_priv->rps.min_freq *= GEN9_FREQ_SCALER;
+ }
/* hw_max = RP0 until we check for overclocking */
dev_priv->rps.max_freq = dev_priv->rps.rp0_freq;