On Thu, Sep 04, 2014 at 06:07:02PM -0300, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>
> If we don't cancel them, we may end up running them while the device
> is runtime suspended, which will trigger lots and lots of WARNs on
> dmesg.
>
> Regression introduced by:
> commit c76bb61a71083b2d90504cc6d0dda2047c5d63ca
> Author: Daisy Sun <daisy.sun@xxxxxxxxx>
> Date: Mon Aug 11 11:08:38 2014 -0700
> drm/i915/bdw: BDW Software Turbo
>
> Testcase: igt/pm_rpm/gem-execbuf (you may have to run it a few times)
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Please don't forget to cc relevant people when you fix a regression.
-Daniel
> ---
> drivers/gpu/drm/i915/i915_drv.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 8ff3755..4ce217b 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -1448,6 +1448,10 @@ static int intel_runtime_suspend(struct device *device)
> * intel_mark_idle().
> */
> cancel_work_sync(&dev_priv->rps.work);
> + if (dev_priv->rps.is_bdw_sw_turbo) {
> + del_timer_sync(&dev_priv->rps.sw_turbo.flip_timer);
> + cancel_work_sync(&dev_priv->rps.sw_turbo.work_max_freq);
> + }
> intel_runtime_pm_disable_interrupts(dev);
>
> ret = intel_suspend_complete(dev_priv);
> --
> 2.1.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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