diff options
Diffstat (limited to 'sys/dev/drm2/ttm/ttm_bo_vm.c')
| -rw-r--r-- | sys/dev/drm2/ttm/ttm_bo_vm.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/sys/dev/drm2/ttm/ttm_bo_vm.c b/sys/dev/drm2/ttm/ttm_bo_vm.c index 43d027fc5cd9..3538831bbdfd 100644 --- a/sys/dev/drm2/ttm/ttm_bo_vm.c +++ b/sys/dev/drm2/ttm/ttm_bo_vm.c @@ -114,9 +114,7 @@ ttm_bo_vm_fault(vm_object_t vm_obj, vm_ooffset_t offset, vm_object_pip_add(vm_obj, 1); if (*mres != NULL) { - vm_page_lock(*mres); (void)vm_page_remove(*mres); - vm_page_unlock(*mres); } retry: VM_OBJECT_WUNLOCK(vm_obj); @@ -233,11 +231,7 @@ reserve: } VM_OBJECT_WLOCK(vm_obj); - if (vm_page_busied(m)) { - vm_page_lock(m); - VM_OBJECT_WUNLOCK(vm_obj); - vm_page_busy_sleep(m, "ttmpbs", false); - VM_OBJECT_WLOCK(vm_obj); + if (vm_page_busy_acquire(m, VM_ALLOC_WAITFAIL) == 0) { ttm_mem_io_unlock(man); ttm_bo_unreserve(bo); goto retry; @@ -245,6 +239,7 @@ reserve: m1 = vm_page_lookup(vm_obj, OFF_TO_IDX(offset)); if (m1 == NULL) { if (vm_page_insert(m, vm_obj, OFF_TO_IDX(offset))) { + vm_page_xunbusy(m); VM_OBJECT_WUNLOCK(vm_obj); vm_wait(vm_obj); VM_OBJECT_WLOCK(vm_obj); @@ -258,12 +253,9 @@ reserve: bo, m, m1, (uintmax_t)offset)); } m->valid = VM_PAGE_BITS_ALL; - vm_page_xbusy(m); if (*mres != NULL) { KASSERT(*mres != m, ("losing %p %p", *mres, m)); - vm_page_lock(*mres); vm_page_free(*mres); - vm_page_unlock(*mres); } *mres = m; @@ -382,7 +374,7 @@ retry: m = vm_page_lookup(vm_obj, i); if (m == NULL) continue; - if (vm_page_sleep_if_busy(m, "ttm_unm")) + if (vm_page_busy_acquire(m, VM_ALLOC_WAITFAIL) == 0) goto retry; cdev_pager_free_page(vm_obj, m); } |