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authorRajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>2023-02-28 04:08:29 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-06-09 16:57:37 +0300
commitfcfefd85f18a0004c7c7b499f0701fd2c76d4c68 (patch)
tree3f21e22243dee380a7ba8d16a9d1b7e3675a32de /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
parent1e03322cfef9b83aa87ea0a508588f9f05a47dfc (diff)
downloadlinux-fcfefd85f18a0004c7c7b499f0701fd2c76d4c68.tar.xz
drm/amdkfd: Native mode memory partition support
For native mode, after amdgpu_bo is created on CPU domain, then call amdgpu_ttm_tt_set_mem_pool to select the TTM pool using bo->mem_id. ttm_bo_validate will allocate the memory to the correct memory partition before mapping to GPUs. Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Acked-and-tested-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Philip Yang <Philip.Yang@amd.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index bbdd5e3aa18e..59404b3e6b87 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1643,6 +1643,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
uint64_t aligned_size;
u64 alloc_flags;
int ret;
+ int mem_id = 0; /* Fixme : to be changed when mem_id support patch lands, until then NPS1, SPX only */
/*
* Check on which domain to allocate BO
@@ -1750,6 +1751,11 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
((*mem)->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM)) {
bo->allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
bo->preferred_domains = AMDGPU_GEM_DOMAIN_GTT;
+ ret = amdgpu_ttm_tt_set_mem_pool(&bo->tbo, mem_id);
+ if (ret) {
+ pr_debug("failed to set ttm mem pool %d\n", ret);
+ goto err_set_mem_partition;
+ }
}
add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info, user_addr);
@@ -1778,6 +1784,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
allocate_init_user_pages_failed:
err_pin_bo:
remove_kgd_mem_from_kfd_bo_list(*mem, avm->process_info);
+err_set_mem_partition:
drm_vma_node_revoke(&gobj->vma_node, drm_priv);
err_node_allow:
/* Don't unreserve system mem limit twice */