drm/i915: initialize power wells in modeset_init_hw

This initializes power wells within the modeset_init_hw routine.
Testing has shown that this works for both driver load time and for
suspend-resume code paths.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0972f49..80fe02d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7187,6 +7187,11 @@
 
 void intel_modeset_init_hw(struct drm_device *dev)
 {
+	/* We attempt to init the necessary power wells early in the initialization
+	 * time, so the subsystems that expect power to be enabled can work.
+	 */
+	intel_init_power_wells(dev);
+
 	intel_prepare_ddi(dev);
 
 	intel_init_clock_gating(dev);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index b7859e7..6f3bf22 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -496,6 +496,7 @@
 extern void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
 extern void intel_gpu_ips_teardown(void);
 
+extern void intel_init_power_wells(struct drm_device *dev);
 extern void intel_enable_gt_powersave(struct drm_device *dev);
 extern void intel_disable_gt_powersave(struct drm_device *dev);
 extern void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a1495cd..94aabca 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3932,11 +3932,6 @@
 		else
 			dev_priv->display.get_fifo_size = i830_get_fifo_size;
 	}
-
-	/* We attempt to init the necessary power wells early in the initialization
-	 * time, so the subsystems that expect power to be enabled can work.
-	 */
-	intel_init_power_wells(dev);
 }
 
 static void __gen6_gt_wait_for_thread_c0(struct drm_i915_private *dev_priv)