Set vm_manager.spm_vmid to the top GFXHUB VMID so the SPM reservation path hands out a fixed, isolated VMID on gfx7 instead of borrowing one from the graphics pool.
Signed-off-by: Sunil Khatri <[email protected]> Reviewed-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 4199300eab177..c09f5153679ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -1008,6 +1008,10 @@ static int gmc_v7_0_sw_init(struct amdgpu_ip_block *ip_block) * amdkfd/MES user queues will use VMIDs 8-15 */ vmid_mask = GENMASK(7, 1); + + /* Reserve the last VMID for SPM */ + adev->vm_manager.spm_vmid = AMDGPU_NUM_VMID - 1; + amdgpu_vmid_mgr_set_vmid_mask(adev, vmid_mask, vmid_mask); amdgpu_vm_manager_init(adev); -- 2.34.1
