#undef DEV_INFO_SEP
}
+/**
+ * intel_early_sanitize_regs - clean up BIOS state
+ * @dev: DRM device
+ *
+ * This function must be called before we do any I915_READ or I915_WRITE. Its
+ * purpose is to clean up any state left by the BIOS that may affect us when
+ * reading and/or writing registers.
+ */
+static void intel_early_sanitize_regs(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ if (IS_HASWELL(dev))
+ I915_WRITE_NOTRACE(FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
+}
+
/**
* i915_driver_load - setup chip and create an initial config
* @dev: DRM device
goto put_gmch;
}
+ intel_early_sanitize_regs(dev);
+
aperture_size = dev_priv->gtt.mappable_end;
dev_priv->gtt.mappable =
mutex_init(&dev_priv->dpio_lock);
mutex_init(&dev_priv->rps.hw_lock);
+ mutex_init(&dev_priv->modeset_restore_lock);
if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
dev_priv->num_pipe = 3;