[Intel-gfx] [drm] e28cd4d0a2: INFO: trying to register non-static key.

Chris Wilson chris at chris-wilson.co.uk
Fri Jun 17 22:19:36 UTC 2016


On Sat, Jun 18, 2016 at 05:24:30AM +0800, kernel test robot wrote:
> 
> 
> FYI, we noticed the following commit:
> 
> git://anongit.freedesktop.org/drm-intel topic/drm-misc
> commit e28cd4d0a223e1bcea616326e2281900e7e7e9a2 ("drm: Automatically register/unregister all connectors")
> 
> 
> on test machine: vm-lkp-wsx03-yocto-i386: 1 threads qemu-system-i386 -enable-kvm with 320M memory
> 
> caused below changes:

So one driver skips drm_mode_config_init() and so
drm_connector_register_all() dies on the mutex_lock().

Maybe

	if (list_empty_safe(&dev->mode_config.connector_list))
		return;

or we could add a boolean to indicate an active mode_config?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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