From e1c44acc8cabda6b38864f25e809b306c4d2d790 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Thu, 4 Aug 2011 05:41:00 +0000
Subject: [PATCH] drm: Fix irq install error handling

The registered irq should be unregistered by free_irq() if
irq_postinstall() returns the error after request_irq() is called
successfully.

[airlied: add vga switcheroo disable]

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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