drm/i915: Enable eDP DRRS for CHV

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / intel_dp.c

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 4d6e68c52fd9f53a73ba22e625e773beea24a8ac..686c3d5c3769978970e59b6e15b8368f6968a154 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4808,7 +4808,7 @@ static void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
                return;
        }
 
-       if (INTEL_INFO(dev)->gen >= 8) {
+       if (INTEL_INFO(dev)->gen >= 8 && !IS_CHERRYVIEW(dev)) {
                switch (index) {
                case DRRS_HIGH_RR:
                        intel_dp_set_m_n(intel_crtc, M1_N1);