Fixes vgaswitcheroo on a card without display.

Signed-off-by: Maarten Lankhorst <[email protected]>
---
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c 
b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 4c1bc06..8f6d63d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -398,7 +398,8 @@ void
 nouveau_fbcon_output_poll_changed(struct drm_device *dev)
 {
        struct nouveau_drm *drm = nouveau_drm(dev);
-       drm_fb_helper_hotplug_event(&drm->fbcon->helper);
+       if (drm->fbcon)
+               drm_fb_helper_hotplug_event(&drm->fbcon->helper);
 }
 
 static int

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