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| author | Alex Sierra <alex.sierra@amd.com> | 2024-07-24 03:29:02 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-12-10 18:26:50 +0300 |
| commit | dad0c70507a834ac12e9286401d90536a3c4cea2 (patch) | |
| tree | dec1dfd0cb79be06563de7e436c6204814711fd2 | |
| parent | 1f91cc4d947ec3c059838c108826a432a6c42d74 (diff) | |
| download | linux-dad0c70507a834ac12e9286401d90536a3c4cea2.tar.xz | |
drm/amd: update mtype flags for gfx 9.5.0
Update mtype flags to meet gfx 9.5.0 requirements for remote GPU
memory and system memory.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 16 |
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 1f95a5b15ea2..1ecba0de12b7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1209,7 +1209,7 @@ static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev, if (uncached) { mtype = MTYPE_UC; } else if (ext_coherent) { - if (adev->rev_id) + if (gc_ip_version == IP_VERSION(9, 5, 0) || adev->rev_id) mtype = is_local ? MTYPE_CC : MTYPE_UC; else mtype = MTYPE_UC; @@ -1219,10 +1219,10 @@ static void gmc_v9_0_get_coherence_flags(struct amdgpu_device *adev, /* dGPU */ if (is_local) mtype = mtype_local; - else if (is_vram) - mtype = MTYPE_NC; - else + else if (gc_ip_version < IP_VERSION(9, 5, 0) && !is_vram) mtype = MTYPE_UC; + else + mtype = MTYPE_NC; } break; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 315916bec670..bd3e20d981e0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1244,7 +1244,8 @@ svm_range_get_pte_flags(struct kfd_node *node, case IP_VERSION(9, 4, 4): case IP_VERSION(9, 5, 0): if (ext_coherent) - mtype_local = node->adev->rev_id ? AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_UC; + mtype_local = (gc_ip_version < IP_VERSION(9, 5, 0) && !node->adev->rev_id) ? + AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_CC; else mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC : amdgpu_mtype_local == 2 ? AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW; @@ -1259,9 +1260,13 @@ svm_range_get_pte_flags(struct kfd_node *node, */ else if (svm_nodes_in_same_hive(bo_node, node) && !ext_coherent) mapping_flags |= AMDGPU_VM_MTYPE_NC; - /* PCIe P2P or extended system scope coherence */ - else + /* PCIe P2P on GPUs pre-9.5.0 */ + else if (gc_ip_version < IP_VERSION(9, 5, 0) && + !svm_nodes_in_same_hive(bo_node, node)) mapping_flags |= AMDGPU_VM_MTYPE_UC; + /* Other remote memory */ + else + mapping_flags |= ext_coherent ? AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; /* system memory accessed by the APU */ } else if (node->adev->flags & AMD_IS_APU) { /* On NUMA systems, locality is determined per-page @@ -1273,7 +1278,10 @@ svm_range_get_pte_flags(struct kfd_node *node, mapping_flags |= ext_coherent ? AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; /* system memory accessed by the dGPU */ } else { - mapping_flags |= AMDGPU_VM_MTYPE_UC; + if (gc_ip_version < IP_VERSION(9, 5, 0)) + mapping_flags |= AMDGPU_VM_MTYPE_UC; + else + mapping_flags |= AMDGPU_VM_MTYPE_NC; } break; case IP_VERSION(12, 0, 0): |