Alex Deucher 18da4340e6 drm/amdgpu: Do not directly dereference pointers to BIOS area.
Use readb() and memcpy_fromio() accessors instead.

Ported from radeon commit:
f2c9e560b406f2f6b14b345c7da33467dee9cdf2

Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-06-03 21:03:16 -04:00
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