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authorFlora Cui <flora.cui@amd.com>2017-12-09 07:08:46 +0300
committerOded Gabbay <oded.gabbay@gmail.com>2017-12-09 07:08:46 +0300
commitf7ce2fade6e143a333dc51d84f2080738d6831bf (patch)
tree480f7efe09a1d52f8ac1f928aa79e41917cc66ca /drivers/gpu/drm/amd/amdkfd
parent4248bd0b102ae832cddf961b94a125385a2dfc92 (diff)
downloadlinux-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/gpu/drm/amd/amdkfd')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_topology.c7
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) +