drm/amdgpu/psp: add check sOS sign
authorXiangliang Yu <Xiangliang.Yu@amd.com>
Tue, 28 Mar 2017 11:48:10 +0000 (19:48 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 30 Mar 2017 03:55:54 +0000 (23:55 -0400)
commit6668b734468de12c077ebdf3ed0f9f60d10f9e6a
treecc674ab4ce6d177cd439ed749cba2f83d4e8e61e
parentec63982e90a8793a838dfba9037bde597bb565e1
drm/amdgpu/psp: add check sOS sign

Confirm if sys driver and sOS are already been loaded through sOS
sign register, skip loading sys driver and sOS if finding the sign.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/psp_v3_1.c