From 0b4d79dafae6a5b626037b4a5dafaf9f09cc1945 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Mon, 4 Aug 2025 13:53:21 +0530 Subject: [PATCH 4682/5403] 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 Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 20 ++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h | 1 + 2 files changed, 21 insertions(+) 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; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h index 70a0f8400b57..1928d9e224fc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.h @@ -112,6 +112,7 @@ struct amdgpu_xcp { struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX]; struct amdgpu_xcp_mgr *xcp_mgr; struct kobject kobj; + uint64_t unique_id; }; struct amdgpu_xcp_mgr { -- 2.54.0