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On 05/18/2011 06:21 PM, Jesse Barnes wrote:
> Looks like I didn't merge Ben's RPS work queue stuff correctly with the
> new IRQ split code (diff was sparse enough that git didn't complain).
> This should prevent null derefs on ILK+ due to the missing work queue.
Is this actually needed on Ironlake (i.e., gen5)?
> Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org>
>
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 349a03e..9112bf5 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1736,6 +1736,7 @@ void ironlake_irq_preinstall(struct drm_device *dev)
>
> INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
> INIT_WORK(&dev_priv->error_work, i915_error_work_func);
> + INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work);
>
> I915_WRITE(HWSTAM, 0xeffe);
>
> @@ -1887,7 +1888,6 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
>
> INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
> INIT_WORK(&dev_priv->error_work, i915_error_work_func);
> - INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work);
>
> if (I915_HAS_HOTPLUG(dev)) {
> I915_WRITE(PORT_HOTPLUG_EN, 0);
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