[Intel-gfx] [PATCH 1/3] drm/i915: cancel the hangcheck before runtime suspend

[Rodrigo Vivi]

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>

On Fri, Dec 13, 2013 at 3:22 PM, Paulo Zanoni <przanoni at gmail.com> wrote:
> From: Paulo Zanoni <paulo.r.zanoni at intel.com>
>
> The hangcheck function requires the hardware to be working, and if
> we're suspending we're going to put the HW in D3 state.
>
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index e7a6c84..70590b0 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -920,6 +920,7 @@ static int i915_runtime_suspend(struct device *device)
>
>         DRM_DEBUG_KMS("Suspending device\n");
>
> +       del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
>         dev_priv->pm.suspended = true;
>         intel_opregion_notify_adapter(dev, PCI_D3cold);
>
> --
> 1.8.3.1
>
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-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br