drm/i915: split i915_driver_modeset_remove() to pre/post irq uninstall

Push irq uninstall further up, by splitting i915_driver_modeset_remove()
to two, the part with working irqs before irq uninstall, and the part
after irq uninstall. No functional changes.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200214135058.7580-2-jani.nikula@intel.com

drivers/gpu/drm/i915/i915_drv.c

@@ -285,12 +285,15 @@ static int i915_driver_modeset_probe(struct drm_i915_private *i915)
 	return ret;
 }
 
+/* part #1: call before irq uninstall */
 static void i915_driver_modeset_remove(struct drm_i915_private *i915)
 {
 	intel_modeset_driver_remove(i915);
+}
 
-	intel_irq_uninstall(i915);
-
+/* part #2: call after irq uninstall */
+static void i915_driver_modeset_remove_noirq(struct drm_i915_private *i915)
+{
 	intel_modeset_driver_remove_noirq(i915);
 
 	intel_bios_driver_remove(i915);
@@ -1509,6 +1512,10 @@ void i915_driver_remove(struct drm_i915_private *i915)
 
 	i915_driver_modeset_remove(i915);
 
+	intel_irq_uninstall(i915);
+
+	i915_driver_modeset_remove_noirq(i915);
+
 	i915_reset_error_state(i915);
 	i915_gem_driver_remove(i915);