From 8544374c0f82edb285779f21b149826fe2c2977c Mon Sep 17 00:00:00 2001 From: Xiaogang Chen Date: Mon, 13 Jan 2025 17:35:59 -0600 Subject: drm/amdkfd: Have kfd driver use same PASID values from graphic driver Current kfd driver has its own PASID value for a kfd process and uses it to locate vm at interrupt handler or mapping between kfd process and vm. That design is not working when a physical gpu device has multiple spatial partitions, ex: adev in CPX mode. This patch has kfd driver use same pasid values that graphic driver generated which is per vm per pasid. These pasid values are passed to fw/hardware. We do not need change interrupt handler though more pasid values are used. Also, pasid values at log are replaced by user process pid; pasid values are not exposed to user. Users see their process pids that have meaning in user space. Signed-off-by: Xiaogang Chen Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 8af67f18500a..092dbd8bec97 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -47,6 +47,7 @@ enum TLB_FLUSH_TYPE { }; struct amdgpu_device; +struct kfd_process_device; struct amdgpu_reset_context; enum kfd_mem_attachment_type { @@ -299,8 +300,6 @@ bool amdgpu_amdkfd_compute_active(struct amdgpu_device *adev, uint32_t node_id); (&((struct amdgpu_fpriv *) \ ((struct drm_file *)(drm_priv))->driver_priv)->vm) -int amdgpu_amdkfd_gpuvm_set_vm_pasid(struct amdgpu_device *adev, - struct amdgpu_vm *avm, u32 pasid); int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct amdgpu_device *adev, struct amdgpu_vm *avm, void **process_info, -- cgit v1.2.3