diff options
| author | Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> | 2023-02-27 20:08:29 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:57:37 -0400 |
| commit | fcfefd85f18a0004c7c7b499f0701fd2c76d4c68 (patch) | |
| tree | 3f21e22243dee380a7ba8d16a9d1b7e3675a32de /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 1e03322cfef9b83aa87ea0a508588f9f05a47dfc (diff) | |
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_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 7674109810b0..3933432daaac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1156,6 +1156,24 @@ static void amdgpu_ttm_tt_unpopulate(struct ttm_device *bdev, } /** + * amdgpu_ttm_tt_set_mem_pool - Set the TTM memory pool for the TTM BO + * @tbo: The ttm_buffer_object that backs the VRAM bo + * @mem_id: to select the initialized ttm pool corresponding to the memory partition + */ +int amdgpu_ttm_tt_set_mem_pool(struct ttm_buffer_object *tbo, int mem_id) +{ + struct ttm_tt *ttm = tbo->ttm; + struct amdgpu_ttm_tt *gtt; + + if (!ttm && !ttm_tt_is_populated(ttm)) + return -EINVAL; + + gtt = ttm_to_amdgpu_ttm_tt(ttm); + gtt->pool_id = mem_id; + return 0; +} + +/** * amdgpu_ttm_tt_get_userptr - Return the userptr GTT ttm_tt for the current * task * |