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| author | Nirmoy Das <nirmoy.das@amd.com> | 2021-10-06 17:55:00 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-10-07 11:55:46 -0400 |
| commit | 58144d283712c9e80e528e001af6ac5aeee71af2 (patch) | |
| tree | e1bd2c7c5d8a364e2156c3723401e337964b1a24 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 12cdff6b2ea9579d477778052c95a82fdf8e6b48 (diff) | |
| download | lwn-58144d283712c9e80e528e001af6ac5aeee71af2.tar.gz lwn-58144d283712c9e80e528e001af6ac5aeee71af2.zip | |
drm/amdgpu: unify BO evicting method in amdgpu_ttm
Unify BO evicting functionality for possible memory
types in amdgpu_ttm.c.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@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 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 820fcb24231f..5d5c42ae388b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -2036,6 +2036,36 @@ error_free: return r; } +/** + * amdgpu_ttm_evict_resources - evict memory buffers + * @adev: amdgpu device object + * @mem_type: evicted BO's memory type + * + * Evicts all @mem_type buffers on the lru list of the memory type. + * + * Returns: + * 0 for success or a negative error code on failure. + */ +int amdgpu_ttm_evict_resources(struct amdgpu_device *adev, int mem_type) +{ + struct ttm_resource_manager *man; + + switch (mem_type) { + case TTM_PL_VRAM: + case TTM_PL_TT: + case AMDGPU_PL_GWS: + case AMDGPU_PL_GDS: + case AMDGPU_PL_OA: + man = ttm_manager_type(&adev->mman.bdev, mem_type); + break; + default: + DRM_ERROR("Trying to evict invalid memory type\n"); + return -EINVAL; + } + + return ttm_resource_manager_evict_all(&adev->mman.bdev, man); +} + #if defined(CONFIG_DEBUG_FS) static int amdgpu_mm_vram_table_show(struct seq_file *m, void *unused) |