diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2023-02-21 17:44:18 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:59:08 -0400 |
| commit | 352b919c1e5ff50c71d665395b27acbd1bf23a05 (patch) | |
| tree | 4dab98644c26da05be0101927c5edce1bc9581fe /drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | |
| parent | 1e4a00334add40f609162914af7a24bc92951008 (diff) | |
drm/amdgpu: Override MTYPE per page on GFXv9.4.3 APUs
On GFXv9.4.3 NUMA APUs, system memory locality must be determined per
page to choose the correct MTYPE. This patch adds a GMC callback that
can provide this per-page override and implements it for native mode.
Carve-out mode is not yet supported and will use the safe default
(remote) MTYPE for system memory.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-and-tested-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index bc5d126b600b..60b1da93b06d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -786,13 +786,14 @@ static void amdgpu_vm_pte_update_flags(struct amdgpu_vm_update_params *params, uint64_t pe, uint64_t addr, unsigned int count, uint32_t incr, uint64_t flags) - { + struct amdgpu_device *adev = params->adev; + if (level != AMDGPU_VM_PTB) { flags |= AMDGPU_PDE_PTE; - amdgpu_gmc_get_vm_pde(params->adev, level, &addr, &flags); + amdgpu_gmc_get_vm_pde(adev, level, &addr, &flags); - } else if (params->adev->asic_type >= CHIP_VEGA10 && + } else if (adev->asic_type >= CHIP_VEGA10 && !(flags & AMDGPU_PTE_VALID) && !(flags & AMDGPU_PTE_PRT)) { @@ -800,6 +801,21 @@ static void amdgpu_vm_pte_update_flags(struct amdgpu_vm_update_params *params, flags |= AMDGPU_PTE_EXECUTABLE; } + /* APUs mapping system memory may need different MTYPEs on different + * NUMA nodes. Only do this for contiguous ranges that can be assumed + * to be on the same NUMA node. + */ + if ((flags & AMDGPU_PTE_SYSTEM) && (adev->flags & AMD_IS_APU) && + adev->gmc.gmc_funcs->override_vm_pte_flags && + num_possible_nodes() > 1) { + if (!params->pages_addr) + amdgpu_gmc_override_vm_pte_flags(adev, params->vm, + addr, &flags); + else + dev_dbg(adev->dev, + "override_vm_pte_flags skipped: non-contiguous\n"); + } + params->vm->update_funcs->update(params, pt, pe, addr, count, incr, flags); } |