drm/radeon: cleanup false positive lockup handling

Check always when we calculate the free dw, not just the first time.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-02-18 15:03:22 +01:00
commit 82dc62a31c