diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-08-04 13:53:21 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-06 14:34:47 -0400 |
| commit | 0b4d79dafae6a5b626037b4a5dafaf9f09cc1945 (patch) | |
| tree | 39e8a933752e904b94d7a03791d4e4e234f4b567 /drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | |
| parent | 6fa821685464e786f43a66d18756cc909a9cb961 (diff) | |
drm/amdgpu: Assign unique id to compute partition
Assign unique id to compute partition. This is the unique id of the
first XCD instance belonging to the partition.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 699acc1b46b5..1083db8cea2e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -120,6 +120,25 @@ static void __amdgpu_xcp_add_block(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id, xcp->valid = true; } +static void __amdgpu_xcp_set_unique_id(struct amdgpu_xcp_mgr *xcp_mgr, + int xcp_id) +{ + struct amdgpu_xcp *xcp = &xcp_mgr->xcp[xcp_id]; + struct amdgpu_device *adev = xcp_mgr->adev; + uint32_t inst_mask; + uint64_t uid; + int i; + + if (!amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask) && + inst_mask) { + i = GET_INST(GC, (ffs(inst_mask) - 1)); + uid = amdgpu_device_get_uid(xcp_mgr->adev->uid_info, + AMDGPU_UID_TYPE_XCD, i); + if (uid) + xcp->unique_id = uid; + } +} + int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode) { struct amdgpu_device *adev = xcp_mgr->adev; @@ -158,6 +177,7 @@ int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode) else xcp_mgr->xcp[i].mem_id = mem_id; } + __amdgpu_xcp_set_unique_id(xcp_mgr, i); } xcp_mgr->num_xcps = num_xcps; |