drm/i915: Remove DRIVER_MODESET checks in the gpu reset code

Again, good riddance to UMS!
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.c

@@ -863,7 +863,7 @@ int i915_reset(struct drm_device *dev)
 	 * was running at the time of the reset (i.e. we weren't VT
 	 * switched away).
 	 */
-	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+
 	/* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset */
 	dev_priv->gpu_error.reload_in_reset = true;
 
@@ -891,9 +891,6 @@ int i915_reset(struct drm_device *dev)
 	 */
 	if (INTEL_INFO(dev)->gen > 5)
 		intel_enable_gt_powersave(dev);
-	} else {
-		mutex_unlock(&dev->struct_mutex);
-	}
 
 	return 0;
 }