drm/radeon: fix modeset tear down code

The ordering caused problems.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=98200

Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index b8ab30a..cdb8cb56 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1675,20 +1675,20 @@
 
 void radeon_modeset_fini(struct radeon_device *rdev)
 {
-	radeon_fbdev_fini(rdev);
+	if (rdev->mode_info.mode_config_initialized) {
+		drm_kms_helper_poll_fini(rdev->ddev);
+		radeon_hpd_fini(rdev);
+		drm_crtc_force_disable_all(rdev->ddev);
+		radeon_fbdev_fini(rdev);
+		radeon_afmt_fini(rdev);
+		drm_mode_config_cleanup(rdev->ddev);
+		rdev->mode_info.mode_config_initialized = false;
+	}
+
 	kfree(rdev->mode_info.bios_hardcoded_edid);
 
 	/* free i2c buses */
 	radeon_i2c_fini(rdev);
-
-	if (rdev->mode_info.mode_config_initialized) {
-		radeon_afmt_fini(rdev);
-		drm_kms_helper_poll_fini(rdev->ddev);
-		radeon_hpd_fini(rdev);
-		drm_crtc_force_disable_all(rdev->ddev);
-		drm_mode_config_cleanup(rdev->ddev);
-		rdev->mode_info.mode_config_initialized = false;
-	}
 }
 
 static bool is_hdtv_mode(const struct drm_display_mode *mode)