ttm_resource_manager_used
if ((!adev->mm_stats.log2_max_MBps) || !ttm_resource_manager_used(&adev->mman.vram_mgr.manager)) {
ui64 = ttm_resource_manager_used(&adev->mman.vram_mgr.manager) ?
mem.vram.heap_usage = ttm_resource_manager_used(&adev->mman.vram_mgr.manager) ?
if (ttm_resource_manager_used(man)) {
vf2pf_info->fb_usage = ttm_resource_manager_used(&adev->mman.vram_mgr.manager) ?
if (!ttm_resource_manager_used(&adev->mman.vram_mgr.manager))
if (!man || !ttm_resource_manager_used(man))