VM support is only available for CZ and newer APUs. Trying to enable it for dGPU will blow up in DC. Signed-off-by: Harry Wentland <harry.wentland at amd.com> Suggested-by: Alex Deucher <alexander.deucher at amd.com> CC: Christian Koenig <christian.koenig at amd.com> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 26f6d5e4c08c..332761f643f6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -427,6 +427,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) amdgpu_dm_initialize_fbc(adev); init_data.fbc_gpu_addr = adev->dm.compressor.gpu_addr; #endif + + if (adev->flags & AMD_IS_APU && adev->asic_type >= CHIP_CARRIZO) + init_data.flags.gpu_vm_support = true; + /* Display Core create. */ adev->dm.dc = dc_create(&init_data); -- 2.14.1
