From: Lang Yu <[email protected]> UMSCH FW uses mmhub engine 3 for invalidation.
Signed-off-by: Lang Yu <[email protected]> Acked-by: Leo Liu <[email protected]> Acked-by: Veerabadhran Gopalakrishnan <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index d78bd9732543..5f7641d9f346 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -549,13 +549,17 @@ int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev) /* reserve engine 5 for firmware */ if (adev->enable_mes) vm_inv_engs[i] &= ~(1 << 5); + /* reserve mmhub engine 3 for firmware */ + if (adev->enable_umsch_mm) + vm_inv_engs[i] &= ~(1 << 3); } for (i = 0; i < adev->num_rings; ++i) { ring = adev->rings[i]; vmhub = ring->vm_hub; - if (ring == &adev->mes.ring) + if (ring == &adev->mes.ring || + ring == &adev->umsch_mm.ring) continue; inv_eng = ffs(vm_inv_engs[vmhub]); -- 2.41.0
