From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: Re: [PATCH 1/2] drm/i915/fbdev: Drain the suspend worker on retiring
Date: Thu, 14 Jul 2016 13:47:49 +0300 [thread overview]
Message-ID: <87vb08pkbu.fsf@gaia.fi.intel.com> (raw)
In-Reply-To: <1468431285-28264-1-git-send-email-chris@chris-wilson.co.uk>
Chris Wilson <chris@chris-wilson.co.uk> writes:
> Since the suspend_work can arm itself if the console_lock() is currently
> held elsewhere, simply calling flush_work() doesn't guarantee that the
> work is idle upon return. To do so requires using cancel_work_sync().
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
> ---
> drivers/gpu/drm/i915/intel_fbdev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> index 86b00c6db1a6..ef17d88a1bc7 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -768,7 +768,7 @@ void intel_fbdev_fini(struct drm_device *dev)
> if (!ifbdev)
> return;
>
> - flush_work(&dev_priv->fbdev_suspend_work);
> + cancel_work_sync(&dev_priv->fbdev_suspend_work);
> if (!current_is_async())
> intel_fbdev_sync(ifbdev);
>
> --
> 2.8.1
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next prev parent reply other threads:[~2016-07-14 10:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-13 17:34 [PATCH 1/2] drm/i915/fbdev: Drain the suspend worker on retiring Chris Wilson
2016-07-13 17:34 ` [PATCH 2/2] drm/i915/fbdev: Check for the framebuffer before use Chris Wilson
2016-07-14 14:49 ` Daniel Vetter
2016-07-14 5:29 ` ✓ Ro.CI.BAT: success for series starting with [1/2] drm/i915/fbdev: Drain the suspend worker on retiring Patchwork
2016-07-14 10:47 ` Mika Kuoppala [this message]
2016-07-14 14:45 ` [PATCH 1/2] " Daniel Vetter
2016-07-14 14:55 ` Chris Wilson
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