From 161ab658a611df14fb0365b7b70a8c5fed3e4870 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 26 May 2015 12:24:15 +0200
Subject: [PATCH] drm/radeon: stop using addr to check for BO move
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It is theoretically possible that a swapped out BO gets the
same GTT address, but different backing pages while being swapped in.

Instead just use another VA state to note updated areas.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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