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Differential D32006 Diff 96192 sys/dev/drm2/ttm/ttm_bo.c

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sys/dev/drm2/ttm/ttm_bo.c

Show First 20 Lines • Show All 1,482 Lines • ▼ Show 20 Lines if (refcount_release(&glob->kobj_ref))
ttm_bo_global_kobj_release(glob); ttm_bo_global_kobj_release(glob);
} }
int ttm_bo_global_init(struct drm_global_reference *ref) int ttm_bo_global_init(struct drm_global_reference *ref)
{ {
struct ttm_bo_global_ref *bo_ref = struct ttm_bo_global_ref *bo_ref =
container_of(ref, struct ttm_bo_global_ref, ref); container_of(ref, struct ttm_bo_global_ref, ref);
struct ttm_bo_global *glob = ref->object; struct ttm_bo_global *glob = ref->object;
int req, ret; int ret;
int tries; int tries;
sx_init(&glob->device_list_mutex, "ttmdlm"); sx_init(&glob->device_list_mutex, "ttmdlm");
mtx_init(&glob->lru_lock, "ttmlru", NULL, MTX_DEF); mtx_init(&glob->lru_lock, "ttmlru", NULL, MTX_DEF);
glob->mem_glob = bo_ref->mem_glob; glob->mem_glob = bo_ref->mem_glob;
req = VM_ALLOC_NORMAL | VM_ALLOC_NOOBJ;
tries = 0; tries = 0;
retry: retry:
glob->dummy_read_page = vm_page_alloc_contig(NULL, 0, req, glob->dummy_read_page = vm_page_alloc_noobj_contig(0, 1, 0,
1, 0, VM_MAX_ADDRESS, PAGE_SIZE, 0, VM_MEMATTR_UNCACHEABLE); VM_MAX_ADDRESS, PAGE_SIZE, 0, VM_MEMATTR_UNCACHEABLE);
if (unlikely(glob->dummy_read_page == NULL)) { if (unlikely(glob->dummy_read_page == NULL)) {
if (tries < 1 && vm_page_reclaim_contig(req, 1, if (tries < 1 && vm_page_reclaim_contig(0, 1, 0,
0, VM_MAX_ADDRESS, PAGE_SIZE, 0)) { VM_MAX_ADDRESS, PAGE_SIZE, 0)) {
tries++; tries++;
goto retry; goto retry;
} }
ret = -ENOMEM; ret = -ENOMEM;
goto out_no_drp; goto out_no_drp;
} }
INIT_LIST_HEAD(&glob->swap_lru); INIT_LIST_HEAD(&glob->swap_lru);
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