On Tue, Feb 07, 2017 at 12:49:56PM +0000, Chris Wilson wrote:
> We can not allow the worker to run after its fbdev, or even the module,
> has been removed.
>
> Fixes: cfe63423d9be ("drm/fb-helper: Add drm_fb_helper_set_suspend_unlocked()")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.9+
Both applied to drm-misc-next-fixes (since imo not that pressing that we
need to rush them in for 4.10 ...).
-Daniel
> ---
> drivers/gpu/drm/drm_fb_helper.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index 2d0810c9f3dc..842c461b0b21 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -860,6 +860,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
> if (!drm_fbdev_emulation)
> return;
>
> + cancel_work_sync(&fb_helper->resume_work);
> cancel_work_sync(&fb_helper->dirty_work);
>
> mutex_lock(&kernel_fb_helper_lock);
> --
> 2.11.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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