Attachment 106652 Details for Bug 83175 – i915_hpd.patch

[patch] i915_hpd.patch

i915_hpd.patch (text/plain), 1.36 KB, created by Libin Yang on 2014-09-22 05:44:56 UTC

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Creator: Libin Yang

Created: 2014-09-22 05:44:56 UTC

Size: 1.36 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
>index a08cdc6..38c8937 100644
>--- a/drivers/gpu/drm/i915/i915_irq.c
>+++ b/drivers/gpu/drm/i915/i915_irq.c
>@@ -1766,7 +1766,7 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
> 	bool queue_dig = false, queue_hp = false;
> 	u32 dig_shift;
> 	u32 dig_port_mask = 0;
>-
>+	
> 	if (!hotplug_trigger)
> 		return;
> 
>@@ -1775,9 +1775,11 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
> 
> 	spin_lock(&dev_priv->irq_lock);
> 	for (i = 1; i < HPD_NUM_PINS; i++) {
>+		printk("<0>in %s %d, hpd: %#x, hotplug_trigger: %#x\n", __func__, __LINE__, hpd[i], hotplug_trigger);
> 		if (!(hpd[i] & hotplug_trigger))
> 			continue;
>-
>+		printk("<0>in %s %d\n", __func__, __LINE__);
>+		continue;
> 		port = get_port_from_pin(i);
> 		if (port && dev_priv->hpd_irq_port[port]) {
> 			bool long_hpd;
>@@ -1860,10 +1862,14 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
> 	 * queue for otherwise the flush_work in the pageflip code will
> 	 * deadlock.
> 	 */
>-	if (queue_dig)
>+	if (queue_dig) {
>+		printk("<0>in %s %d\n", __func__, __LINE__);
> 		queue_work(dev_priv->dp_wq, &dev_priv->dig_port_work);
>-	if (queue_hp)
>+	}
>+	if (queue_hp) {
>+		printk("<0>in %s %d\n", __func__, __LINE__);
> 		schedule_work(&dev_priv->hotplug_work);
>+	}
> }
> 
> static void gmbus_irq_handler(struct drm_device *dev)

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Attachments on bug 83175: 106642 | 106643 | 106644 | 106645 | 106646 | 106647 | 106648 | 106650 | 106651 | 106652 | 106729 | 107653

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