diff options
| author | Flora Cui <flora.cui@amd.com> | 2017-12-09 07:08:46 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-12-09 07:08:46 +0300 |
| commit | f7ce2fade6e143a333dc51d84f2080738d6831bf (patch) | |
| tree | 480f7efe09a1d52f8ac1f928aa79e41917cc66ca /drivers | |
| parent | 4248bd0b102ae832cddf961b94a125385a2dfc92 (diff) | |
| download | linux-f7ce2fade6e143a333dc51d84f2080738d6831bf.tar.xz | |
drm/amdkfd: Update number of compute unit from KGD
Overwrite the active simd_count from KGD at driver loading time. This is
based on assumption that register GC_USER_SHADER_ARRAY_CONFIG won’t get
changed.
V2: remove the incorrect simd_count reported at loading module.
Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed by: Yair Shachar< yair.shachar@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index cb0303a323d2..ca2e51a2fe75 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -133,8 +133,7 @@ static void kfd_populated_cu_info_gpu(struct kfd_topology_device *dev, dev->node_props.max_slots_scratch_cu = cu->max_slots_scatch_cu; if (cu->hsa_capability & CRAT_CU_FLAGS_HOT_PLUGGABLE) dev->node_props.capability |= HSA_CAP_HOT_PLUGGABLE; - pr_info("CU GPU: simds=%d id_base=%d\n", cu->num_simd_cores, - cu->processor_id_low); + pr_info("CU GPU: id_base=%d\n", cu->processor_id_low); } /* kfd_parse_subtype_cu is called when the topology mutex is already acquired */ @@ -1124,6 +1123,7 @@ int kfd_topology_add_device(struct kfd_dev *gpu) { uint32_t gpu_id; struct kfd_topology_device *dev; + struct kfd_cu_info cu_info; int res; gpu_id = kfd_generate_gpu_id(gpu); @@ -1161,6 +1161,9 @@ int kfd_topology_add_device(struct kfd_dev *gpu) dev->gpu_id = gpu_id; gpu->id = gpu_id; + dev->gpu->kfd2kgd->get_cu_info(dev->gpu->kgd, &cu_info); + dev->node_props.simd_count = dev->node_props.simd_per_cu * + cu_info.cu_active_number; dev->node_props.vendor_id = gpu->pdev->vendor; dev->node_props.device_id = gpu->pdev->device; dev->node_props.location_id = (gpu->pdev->bus->number << 24) + |