diff options
| author | Lang Yu <Lang.Yu@amd.com> | 2023-06-14 06:50:27 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-01 00:14:21 +0300 |
| commit | 40748f9a0a33da4c26ed25b95fcd488d3cafd833 (patch) | |
| tree | 6e710936505088c855e29ae4045d2c73396958ae /drivers/gpu/drm | |
| parent | d591ae0c9f29c2db6fec4490bb2d493be0a572aa (diff) | |
| download | linux-40748f9a0a33da4c26ed25b95fcd488d3cafd833.tar.xz | |
drm/amdgpu: reserve mmhub engine 3 for UMSCH FW
UMSCH FW uses mmhub engine 3 for invalidation.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Acked-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 6 |
1 files changed, 5 insertions, 1 deletions
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]); |