diff options
| author | Christian König <christian.koenig@amd.com> | 2015-12-22 16:06:12 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-02-10 14:16:48 -0500 |
| commit | 15486fd20cbe45cf56805ee5a67f7b25642efa9d (patch) | |
| tree | 791d904263afbda10b17be391e29b0946676691a /drivers/gpu/drm | |
| parent | 1ea863fd736eed8217a0b7bc5d0bd0de6b267b80 (diff) | |
| download | linux-15486fd20cbe45cf56805ee5a67f7b25642efa9d.tar.bz2 | |
drm/amdgpu: search only the BO list for VM mappings
Make UVD/VCE VM emulation more efficient.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index a610465c5e0b..ac26e52d5923 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -928,30 +928,36 @@ struct amdgpu_bo_va_mapping * amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, uint64_t addr, struct amdgpu_bo **bo) { - struct amdgpu_bo_list_entry *reloc; struct amdgpu_bo_va_mapping *mapping; + unsigned i; + + if (!parser->bo_list) + return NULL; addr /= AMDGPU_GPU_PAGE_SIZE; - list_for_each_entry(reloc, &parser->validated, tv.head) { - if (!reloc->bo_va) + for (i = 0; i < parser->bo_list->num_entries; i++) { + struct amdgpu_bo_list_entry *lobj; + + lobj = &parser->bo_list->array[i]; + if (!lobj->bo_va) continue; - list_for_each_entry(mapping, &reloc->bo_va->valids, list) { + list_for_each_entry(mapping, &lobj->bo_va->valids, list) { if (mapping->it.start > addr || addr > mapping->it.last) continue; - *bo = reloc->bo_va->bo; + *bo = lobj->bo_va->bo; return mapping; } - list_for_each_entry(mapping, &reloc->bo_va->invalids, list) { + list_for_each_entry(mapping, &lobj->bo_va->invalids, list) { if (mapping->it.start > addr || addr > mapping->it.last) continue; - *bo = reloc->bo_va->bo; + *bo = lobj->bo_va->bo; return mapping; } } |