drm/i915: add dynamic clock frequency control

[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / intel_bios.c

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index f806fcc..1e28c16 100644 (file)
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -355,8 +355,14 @@ parse_driver_features(struct drm_i915_private *dev_priv,
        }
 
        driver = find_section(bdb, BDB_DRIVER_FEATURES);
-       if (driver && driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
+       if (!driver)
+               return;
+
+       if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
                dev_priv->edp_support = 1;
+
+       if (driver->dual_frequency)
+               dev_priv->render_reclock_avail = true;
 }
 
 /**