drm/i915: Pull intel_init_power_well() out of intel_modeset_init_hw()

The init and resume codepaths want to handel the power well in slightly
different ways, so pull the power well init out from
intel_modeset_init_hw() which gets called in both cases.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_dma.c

@@ -1324,6 +1324,8 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
 	INIT_WORK(&dev_priv->console_resume_work, intel_console_resume);
 
+	intel_init_power_well(dev);
+
 	intel_modeset_gem_init(dev);
 
 	/* Always safe in the mode setting case. */

drivers/gpu/drm/i915/i915_drv.c

@@ -605,6 +605,8 @@ static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings)
 		/* We need working interrupts for modeset enabling ... */
 		drm_irq_install(dev);
 
+		intel_init_power_well(dev);
+
 		intel_modeset_init_hw(dev);
 
 		drm_modeset_lock_all(dev);

drivers/gpu/drm/i915/intel_display.c

@@ -10273,8 +10273,6 @@ static void i915_enable_vga(struct drm_device *dev)
 
 void intel_modeset_init_hw(struct drm_device *dev)
 {
-	intel_init_power_well(dev);
-
 	intel_prepare_ddi(dev);
 
 	intel_init_clock_gating(dev);