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| author |   Christian König <christian.koenig@amd.com> | 2016-01-11 15:35:21 +0100 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2016-01-13 12:22:17 -0500 |
| commit | eceb8a1562db6fc3e1c21cd54a4be0189aa1d0e3 (patch) | |
| tree | 0e0e73dfc9bf8c20c6c81d5b765d92d94e57c76b /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | drm/ttm: add ttm_bo_move_to_lru_tail function v2 (diff) | |
| download | wireguard-linux-eceb8a1562db6fc3e1c21cd54a4be0189aa1d0e3.tar.xz wireguard-linux-eceb8a1562db6fc3e1c21cd54a4be0189aa1d0e3.zip | |
drm/amdgpu: move VM page tables to the LRU end on CS v2
This makes it less likely to run into an ENOMEM because
VM page tables are evicted last.
v2: move the BOs in the LRU tail after validation
Signed-off-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_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index ce0254d4dcd7..1fffc338f69d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -428,8 +428,10 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p) r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates); error_validate: - if (r) + if (r) { + amdgpu_vm_move_pt_bos_in_lru(p->adev, &fpriv->vm); ttm_eu_backoff_reservation(&p->ticket, &p->validated); + } error_reserve: if (need_mmap_lock) @@ -473,8 +475,11 @@ static int cmp_size_smaller_first(void *priv, struct list_head *a, **/ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bool backoff) { + struct amdgpu_fpriv *fpriv = parser->filp->driver_priv; unsigned i; + amdgpu_vm_move_pt_bos_in_lru(parser->adev, &fpriv->vm); + if (!error) { /* Sort the buffer list from the smallest to largest buffer, * which affects the order of buffers in the LRU list. |