From 460960587ae80802c76384b0580ed9c89e6e4bb7 Mon Sep 17 00:00:00 2001 From: Amber Lin Date: Thu, 14 Feb 2019 16:02:26 -0500 Subject: [PATCH] drm/amdkfd: Add domain number into gpu_id A multi-socket server can have multiple PCIe segments so BFD is not enough to distingush each GPU. Also add domain number into account when generating gpu_id. Signed-off-by: Amber Lin Reviewed-by: Felix Kuehling Signed-off-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 478b5da..592cc6a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -1082,8 +1082,9 @@ static uint32_t kfd_generate_gpu_id(struct kfd_dev *gpu) local_mem_info.local_mem_size_public; buf[0] = gpu->pdev->devfn; - buf[1] = gpu->pdev->subsystem_vendor; - buf[2] = gpu->pdev->subsystem_device; + buf[1] = gpu->pdev->subsystem_vendor | + (gpu->pdev->subsystem_device << 16); + buf[2] = pci_domain_nr(gpu->pdev->bus); buf[3] = gpu->pdev->device; buf[4] = gpu->pdev->bus->number; buf[5] = lower_32_bits(local_mem_size); -- 2.7.4