diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 09be8fc590d5..b4e0d1570ec6 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4871,9 +4871,16 @@ static void gen9_enable_rc6(struct drm_device *dev) rc6_mask = GEN6_RC_CTL_RC6_ENABLE; DRM_INFO("RC6 %s\n", (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ? "on" : "off"); - I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | - GEN6_RC_CTL_EI_MODE(1) | - rc6_mask); + + if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_D0) || + (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_A0)) + I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | + GEN7_RC_CTL_TO_MODE | + rc6_mask); + else + I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | + GEN6_RC_CTL_EI_MODE(1) | + rc6_mask); /* * 3b: Enable Coarse Power Gating only when RC6 is enabled. |