diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-02-09 12:14:13 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 16:57:18 +0300 |
| commit | a75f2271a4936265c8a189ab06f9eb89e343b441 (patch) | |
| tree | d3c4ac85d277912f90a3941185a33478f0fe92ad /drivers/gpu/drm/amd/amdkfd/kfd_device.c | |
| parent | e47947abb9e71176ea2d9c8f55e03134dabd2605 (diff) | |
| download | linux-a75f2271a4936265c8a189ab06f9eb89e343b441.tar.xz | |
drm/amdkfd: Add xcp reference to kfd node
Fetch xcp information from xcp_mgr and also add xcc_mask to kfd node.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 4293cbf9ceb0..647c3313c27e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -594,6 +594,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, uint32_t first_vmid_kfd, last_vmid_kfd, vmid_num_kfd; unsigned int max_proc_per_quantum; int num_xcd, partition_mode; + int xcp_idx; kfd->mec_fw_version = amdgpu_amdkfd_get_fw_version(kfd->adev, KGD_ENGINE_MEC1); @@ -603,11 +604,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, KGD_ENGINE_SDMA1); kfd->shared_resources = *gpu_resources; - num_xcd = NUM_XCC(kfd->adev->gfx.xcc_mask); - if (num_xcd == 0 || num_xcd == 1 || kfd->adev->gfx.num_xcc_per_xcp == 0) - kfd->num_nodes = 1; - else - kfd->num_nodes = num_xcd / kfd->adev->gfx.num_xcc_per_xcp; + kfd->num_nodes = amdgpu_xcp_get_num_xcp(kfd->adev->xcp_mgr); + if (kfd->num_nodes == 0) { dev_err(kfd_device, "KFD num nodes cannot be 0, GC inst: %d, num_xcc_in_node: %d\n", @@ -735,7 +733,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, kfd->num_nodes); /* Allocate the KFD nodes */ - for (i = 0; i < kfd->num_nodes; i++) { + for (i = 0, xcp_idx = 0; i < kfd->num_nodes; i++) { node = kzalloc(sizeof(struct kfd_node), GFP_KERNEL); if (!node) goto node_alloc_error; @@ -745,6 +743,15 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, node->kfd = kfd; node->kfd2kgd = kfd->kfd2kgd; node->vm_info.vmid_num_kfd = vmid_num_kfd; + node->xcp = amdgpu_get_next_xcp(kfd->adev->xcp_mgr, &xcp_idx); + /* TODO : Check if error handling is needed */ + if (node->xcp) + amdgpu_xcp_get_inst_details(node->xcp, AMDGPU_XCP_GFX, + &node->xcc_mask); + else + node->xcc_mask = + (1U << NUM_XCC(kfd->adev->gfx.xcc_mask)) - 1; + node->num_xcc_per_node = max(1U, kfd->adev->gfx.num_xcc_per_xcp); node->start_xcc_id = node->num_xcc_per_node * i; |