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>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index a610465..ac26e52 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -928,30 +928,36 @@
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;
}
}