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Imre Kaloz
de1eab13ef
igp_read_bios_from_vram() checked bios[0]/bios[1] with a plain
__iomem load, which faults on sparc64 before the copy runs at all.
radeon_read_bios() already reads its two signature bytes with
readb() ahead of its own copy; use the same accessor here, keeping
the check before the allocation.
Fixes: b442962a9e ("drm/radeon/kms: add support for "Surround View"")
Signed-off-by: Imre Kaloz <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
(cherry picked from commit 09155b8932e5013dbce0f5cdff7d75264a279ee5)
Cc: [email protected]