Revert "drm/radeon: skip suspend/resume on DRM_SWITCH_POWER_DYNAMIC_OFF"

This is not necessary as pointed out by Lukas Wunner.

This reverts commit 5e0b1617fc38a27cf494c5d0b51f08de77ce0d20.

drivers/gpu/drm/radeon/radeon_device.c

@@ -1594,8 +1594,7 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend,
 
 	rdev = dev->dev_private;
 
-	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
-	    dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
+	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
 	drm_kms_helper_poll_disable(dev);
@@ -1690,8 +1689,7 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
 	struct drm_crtc *crtc;
 	int r;
 
-	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
-	    dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
+	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 		return 0;
 
 	if (fbcon) {