On Tue, Apr 01, 2014 at 10:54:36AM +0300, [email protected] wrote:
> From: Ville Syrjälä <[email protected]>
> 
> Pull all the gmch platform hotplug interrupt handling into one
> function.
> 
> v2: Move the IIR check to the caller
>     s/drm_i915_private_t/struct drm_i915_private/
> 
> Signed-off-by: Ville Syrjälä <[email protected]>

With the addition of the comment before the posting-read,
Reviewed-by: Chris Wilson <[email protected]>

> ---
>  drivers/gpu/drm/i915/i915_irq.c | 69 
> ++++++++++++++++++-----------------------
>  1 file changed, 30 insertions(+), 39 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 0858189..361e9b3 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1647,6 +1647,29 @@ static void valleyview_pipestat_irq_handler(struct 
> drm_device *dev, u32 iir)
>               gmbus_irq_handler(dev);
>  }
>  
> +static void i9xx_hpd_irq_handler(struct drm_device *dev)
> +{
> +     struct drm_i915_private *dev_priv = dev->dev_private;
> +     u32 hotplug_status = I915_READ(PORT_HOTPLUG_STAT);
> +
> +     if (IS_G4X(dev)) {
> +             u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X;
> +
> +             intel_hpd_irq_handler(dev, hotplug_trigger, hpd_status_g4x);
> +     } else {
> +             u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915;
> +
> +             intel_hpd_irq_handler(dev, hotplug_trigger, hpd_status_i915);
> +     }
> +
> +     if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) &&
> +         hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
> +             dp_aux_irq_handler(dev);
> +
> +     I915_WRITE(PORT_HOTPLUG_STAT, hotplug_status);

/* Make sure hotplug status is cleared before we clear IIR,
 * or else we may miss hotplug events.
 */
> +     POSTING_READ(PORT_HOTPLUG_STAT);
> +}
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to