Commit baf75a08 authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Check if AID is active before access 



Access XGMI registers only if AID is active.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarAsad Kamal <asad.kamal@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d4a640d4

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c

+4 −0
Original line number Diff line number Diff line
@@ -333,6 +333,10 @@ static u32 xgmi_v6_4_get_link_status(struct amdgpu_device *adev, int global_link 
	}



	i = global_link_num / n;



	if (!(adev->aid_mask & BIT(i)))

		return U32_MAX;



	addr += adev->asic_funcs->encode_ext_smn_addressing(i);



	return RREG32_PCIE_EXT(addr);