drm/amdgpu: limit the VM address space with older VCE FW versions
authorChristian König <christian.koenig@amd.com>
Mon, 29 Jan 2018 15:03:50 +0000 (16:03 +0100)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 19 Feb 2018 19:19:05 +0000 (14:19 -0500)
commit6b034e25c86805d14259668a3ce6dc27c7509557
tree3bc5ebb71908bdb9a4982b5b904636d6465eed57
parente2751493fc31f59d31081479918782c2cbda0d56
drm/amdgpu: limit the VM address space with older VCE FW versions

Older VCE FW versions are buggy and can't work with 48bit address
spaces.

RFC: Should we limit the address space or just reject loading the older
VCE firmware?

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h