Attachment 93653 Details for Bug 71267 – [PATCH]HDMI connection via dock works with some (random) delay

[patch] [PATCH]HDMI connection via dock works with some (random) delay

DP-working-with-delay.patch (text/plain), 993 bytes, created by Sree Harsha Totakura on 2014-02-08 12:25:49 UTC

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Creator: Sree Harsha Totakura

Created: 2014-02-08 12:25:49 UTC

Size: 993 bytes

patch

obsolete

>--- linux-3.13-rc4/drivers/gpu/drm/i915/intel_dp.c	2013-12-15 21:31:33.000000000 +0100
>+++ linux-3.13-rc4-patched/drivers/gpu/drm/i915/intel_dp.c	2013-12-21 17:31:48.268440224 +0100
>@@ -555,7 +555,7 @@
> 		if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
> 			break;
> 		else if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_DEFER)
>-			udelay(100);
>+			udelay(500);
> 		else
> 			return -EIO;
> 	}
>@@ -1164,6 +1164,15 @@
> 
> 	intel_dp->want_panel_vdd = false;
> 
>+	if (cancel_delayed_work(&intel_dp->panel_vdd_work)) {
>+	  struct drm_device *dev = intel_dp_to_dev(intel_dp);
>+
>+	  mutex_unlock(&dev->mode_config.mutex);
>+	  cancel_delayed_work_sync(&intel_dp->panel_vdd_work);
>+	  mutex_lock(&dev->mode_config.mutex);
>+	}
>+
>+
> 	if (sync) {
> 		ironlake_panel_vdd_off_sync(intel_dp);
> 	} else {
>@@ -2158,6 +2158,7 @@ intel_get_adjust_train(struct intel_dp *intel_dp,
> 			v = this_v;
> 		if (this_p > p)
> 			p = this_p;
>+		udelay(300);
> 	}
> 
> 	voltage_max = intel_dp_voltage_max(intel_dp);

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Attachments on bug 71267: 88694 | 88695 | 88700 | 88748 | 89187 | 89905 | 89906 | 89947 | 90101 | 90102 | 90151 | 91164 | 92490 | 92880 | 92881 | 92882 | 92883 | 93653 | 93654 | 93781 | 93841 | 93842 | 93905 | 93971 | 93972 | 94007

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