Comment # 22 on bug 82588 from jospezial

This night I spend a few hours for bisecting between v3.16 and v3.17-rc1.

This is my result:

77497f2735ad6e29c55475e15e9790dbfa2c2ef8 is the first bad commit
commit 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
Author: Michel Dänzer <michel.daenzer@amd.com>
Date:   Thu Jul 17 19:01:07 2014 +0900

    drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly

    Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
    Reviewed-by: Christian König <christian.koenig@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 7da27ed892f4ea02ef8e758eda7165ce336d19cc
369d9e0ff185b6e6c9614de87296fc60072f56b9 M      drivers
:040000 040000 c3203bef4546e1781ba218fa5232c12cd2a883a2
b655879d0fefad7b591333930fddfd3cc67afa8d M      include

Will try reverting that patch.