i915_gem_object_set_tiling identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/gpu/drm/i915/gem/i915_gem_object.h, line 350 (as a prototype)

Defined in 1 files as a function:

drivers/gpu/drm/i915/gem/i915_gem_tiling.c, line 231 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/gpu/drm/i915/gem/i915_gem_tiling.c i915_gem_set_tiling_ioctl() -> i915_gem_object_set_tiling()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj	4096-ptr_max
PARAM_VALUE	0	obj->base.refcount.refcount.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	0	obj->ops	4096-ptr_max
PARAM_VALUE	0	obj->ops->flags	0,2,6,8,26
PARAM_VALUE	1	tiling	0-2
PARAM_VALUE	2	stride	0-8192
DATA_SOURCE	0	obj	r i915_gem_object_lookup
FUZZY_MAX	2	stride	0
USER_DATA	1	tiling	0,2[u]
USER_DATA	2	stride	1-8192[u]

drivers/gpu/drm/i915/gt/intel_reset.c __igt_reset_evict_vma() -> i915_gem_object_set_tiling()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj	4096-ptr_max
PARAM_VALUE	1	tiling	1
PARAM_VALUE	2	stride	512
DATA_SOURCE	0	obj	r i915_gem_object_create_internal

drivers/gpu/drm/i915/gt/intel_reset.c evict_fence() -> i915_gem_object_set_tiling()

Type	Parameter	Key	Value
PARAM_VALUE	1	tiling	2
PARAM_VALUE	2	stride	512

drivers/gpu/drm/i915/gem/i915_gem_mman.c check_partial_mapping() -> i915_gem_object_set_tiling()

Type	Key	Value
PARAM_VALUE	obj	4096-ptr_max
PARAM_VALUE	obj->base._resv.fences	0
PARAM_VALUE	obj->base._resv.lock.base.dep_map->name	0-255
PARAM_VALUE	obj->base._resv.lock.base.first_waiter	0
PARAM_VALUE	obj->base._resv.lock.base.magic	4096-ptr_max
PARAM_VALUE	obj->base._resv.lock.base.owner.counter	0
PARAM_VALUE	obj->base._resv.lock.ctx	0
PARAM_VALUE	obj->base._resv.lock.ww_class	8825623990767841280
PARAM_VALUE	obj->base._resv.lock.ww_class->acquire_name	4096-ptr_max
PARAM_VALUE	obj->base._resv.lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	obj->base._resv.lock.ww_class->mutex_name	4096-ptr_max
PARAM_VALUE	obj->base.dev->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	obj->base.dev->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	obj->base.filp	0
PARAM_VALUE	obj->base.funcs	8073635319949537280
PARAM_VALUE	obj->base.gpuva.lock.dep_map->name	0-255
PARAM_VALUE	obj->base.gpuva.lock.first_waiter	0
PARAM_VALUE	obj->base.gpuva.lock.magic	4096-ptr_max
PARAM_VALUE	obj->base.gpuva.lock.osq.tail.counter	0
PARAM_VALUE	obj->base.gpuva.lock.owner.counter	0
PARAM_VALUE	obj->base.handle_count	0
PARAM_VALUE	obj->base.lru_node.next	4096-ptr_max
PARAM_VALUE	obj->base.lru_node.next->next	4096-ptr_max
PARAM_VALUE	obj->base.lru_node.prev	4096-ptr_max
PARAM_VALUE	obj->base.lru_node.prev->next	4096-ptr_max
PARAM_VALUE	obj->base.lru_node.prev->prev	4096-ptr_max
PARAM_VALUE	obj->base.resv	1-u64max
PARAM_VALUE	obj->base.resv->fences->max_fences	0-4294967295
PARAM_VALUE	obj->base.resv->fences->num_fences	0-4294967295
PARAM_VALUE	obj->base.resv->lock.base.dep_map->name	0-255
PARAM_VALUE	obj->base.resv->lock.base.first_waiter	0,4096-ptr_max
PARAM_VALUE	obj->base.resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	obj->base.resv->lock.base.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	obj->base.resv->lock.base.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	obj->base.resv->lock.base.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	obj->base.resv->lock.base.magic	4096-ptr_max
PARAM_VALUE	obj->base.resv->lock.base.osq.tail.counter	0-s32max
PARAM_VALUE	obj->base.resv->lock.base.owner.counter	0
PARAM_VALUE	obj->base.resv->lock.ctx	0
PARAM_VALUE	obj->base.resv->lock.ww_class	8825623990767841280
PARAM_VALUE	obj->base.size	0,4096-18446744073709547520
PARAM_VALUE	obj->base.vma_node.driver_private	0
PARAM_VALUE	obj->base.vma_node.vm_lock.magic	3736018669
PARAM_VALUE	obj->base.vma_node.vm_lock.owner	(-1)
PARAM_VALUE	obj->base.vma_node.vm_lock.owner_cpu	u32max
PARAM_VALUE	obj->base.vma_node.vm_node.color	0
PARAM_VALUE	obj->base.vma_node.vm_node.flags	0
PARAM_VALUE	obj->base.vma_node.vm_node.hole_size	0
PARAM_VALUE	obj->base.vma_node.vm_node.mm	0
PARAM_VALUE	obj->base.vma_node.vm_node.rb.rb_left	0
PARAM_VALUE	obj->base.vma_node.vm_node.rb.rb_right	0
PARAM_VALUE	obj->base.vma_node.vm_node.size	0
PARAM_VALUE	obj->base.vma_node.vm_node.stack	0
PARAM_VALUE	obj->base.vma_node.vm_node.start	0
PARAM_VALUE	obj->bo_offset	2084864,4194304,16777216
PARAM_VALUE	obj->client_link.next	4096-ptr_max
PARAM_VALUE	obj->client_link.next->next	4096-ptr_max
PARAM_VALUE	obj->client_link.prev	4096-ptr_max
PARAM_VALUE	obj->client_link.prev->next	4096-ptr_max
PARAM_VALUE	obj->client_link.prev->prev	4096-ptr_max
PARAM_VALUE	obj->encode	2084864,4194304,16777216
PARAM_VALUE	obj->flags	0
PARAM_VALUE	obj->gvt_info	2084864,4194304,16777216
PARAM_VALUE	obj->gvt_info->obj->vgpu->cache_lock.dep_map->name	0-255
PARAM_VALUE	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	obj->gvt_info->obj->vgpu->cache_lock.osq.tail.counter	0-s32max
PARAM_VALUE	obj->lut_list.next	4096-ptr_max
PARAM_VALUE	obj->lut_list.next->next	4096-ptr_max
PARAM_VALUE	obj->lut_list.prev	4096-ptr_max
PARAM_VALUE	obj->lut_list.prev->next	4096-ptr_max
PARAM_VALUE	obj->lut_list.prev->prev	4096-ptr_max
PARAM_VALUE	obj->mm.get_dma_page.lock.dep_map->name	0-255
PARAM_VALUE	obj->mm.get_dma_page.lock.first_waiter	0
PARAM_VALUE	obj->mm.get_dma_page.lock.magic	4096-ptr_max
PARAM_VALUE	obj->mm.get_dma_page.lock.owner.counter	0
PARAM_VALUE	obj->mm.get_dma_page.radix.xa_flags	11456
PARAM_VALUE	obj->mm.get_dma_page.radix.xa_head	0
PARAM_VALUE	obj->mm.get_page.lock.dep_map->name	0-255
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	obj->mm.get_page.lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	obj->mm.link.next->next	4096-ptr_max
PARAM_VALUE	obj->mm.link.next->prev	4096-ptr_max
PARAM_VALUE	obj->mm.link.prev->next	4096-ptr_max
PARAM_VALUE	obj->mm.link.prev->prev	4096-ptr_max
PARAM_VALUE	obj->mm.region->objects.lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	obj->mm.region->objects.lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	obj->mm.region->objects.lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	obj->mm.region->objects.lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	obj->mm.region->objects.lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	obj->mm.res->bo	0
PARAM_VALUE	obj->obj_link.next	4096-ptr_max
PARAM_VALUE	obj->ops	5653676338608275456
PARAM_VALUE	obj->ops->adjust_lru	0,4429992584214396928
PARAM_VALUE	obj->ops->delayed_free	0,5926832556445249536
PARAM_VALUE	obj->ops->dmabuf_export	0,2825331963569180672
PARAM_VALUE	obj->ops->flags	0,2,6,8,26
PARAM_VALUE	obj->ops->get_pages	4096-ptr_max
PARAM_VALUE	obj->ops->migrate	0,1598800189128794112
PARAM_VALUE	obj->ops->mmap_offset	0,446096312805322752
PARAM_VALUE	obj->ops->mmap_ops	0,4661964159669587968
PARAM_VALUE	obj->ops->name	4096-ptr_max
PARAM_VALUE	obj->ops->pread	0,7401744485809000448,8891031690581864448
PARAM_VALUE	obj->ops->put_pages	4096-ptr_max
PARAM_VALUE	obj->ops->pwrite	0,2096045760474890240,2800713264639791104
PARAM_VALUE	obj->ops->release	0,3174634900601434112,4896540049717575680,7664132821884952576,8446337041868943360,8964248445451067392
PARAM_VALUE	obj->ops->shrink	0,6389040613935005696,6985639316486627328
PARAM_VALUE	obj->ops->truncate	0,75591691694981120,2837679352212496384
PARAM_VALUE	obj->ops->unmap_virtual	0,5981797077985529856
PARAM_VALUE	obj->scratch	2084864,4194304,16777216
PARAM_VALUE	obj->stolen	2084864,4194304,16777216
PARAM_VALUE	obj->vma.list.next->next	4096-ptr_max
PARAM_VALUE	obj->vma.list.prev->next	4096-ptr_max
PARAM_VALUE	obj->vma.list.prev->prev	4096-ptr_max
DATA_SOURCE	obj	$0
BIT_INFO	obj->base.size	0x0,0xfffffffffffff000
NO_OVERFLOW_SIMPLE	obj->base.dev->mode_config.num_colorop
NO_OVERFLOW_SIMPLE	obj->base.dev->mode_config.num_crtc
NO_OVERFLOW_SIMPLE	obj->base.dev->mode_config.num_total_plane
NO_OVERFLOW_SIMPLE	obj->base.dev->num_crtcs
NO_OVERFLOW_SIMPLE	obj->base.size

drivers/gpu/drm/i915/gem/i915_gem_mman.c check_partial_mappings() -> i915_gem_object_set_tiling()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj	4096-ptr_max
PARAM_VALUE	0	obj->base._resv.fences	0
PARAM_VALUE	0	obj->base._resv.lock.base.dep_map->name	0-255
PARAM_VALUE	0	obj->base._resv.lock.base.first_waiter	0
PARAM_VALUE	0	obj->base._resv.lock.base.magic	4096-ptr_max
PARAM_VALUE	0	obj->base._resv.lock.base.owner.counter	0
PARAM_VALUE	0	obj->base._resv.lock.ctx	0
PARAM_VALUE	0	obj->base._resv.lock.ww_class	8825623990767841280
PARAM_VALUE	0	obj->base._resv.lock.ww_class->acquire_name	4096-ptr_max
PARAM_VALUE	0	obj->base._resv.lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	0	obj->base._resv.lock.ww_class->mutex_name	4096-ptr_max
PARAM_VALUE	0	obj->base.dev->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	obj->base.dev->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	obj->base.filp	0
PARAM_VALUE	0	obj->base.filp->f_mapping->host->i_mapping	4096-ptr_max
PARAM_VALUE	0	obj->base.funcs	8073635319949537280
PARAM_VALUE	0	obj->base.gpuva.lock.dep_map->name	0-255
PARAM_VALUE	0	obj->base.gpuva.lock.first_waiter	0
PARAM_VALUE	0	obj->base.gpuva.lock.magic	4096-ptr_max
PARAM_VALUE	0	obj->base.gpuva.lock.osq.tail.counter	0
PARAM_VALUE	0	obj->base.gpuva.lock.owner.counter	0
PARAM_VALUE	0	obj->base.handle_count	0
PARAM_VALUE	0	obj->base.lru_node.next	4096-ptr_max
PARAM_VALUE	0	obj->base.lru_node.next->next	4096-ptr_max
PARAM_VALUE	0	obj->base.lru_node.prev	4096-ptr_max
PARAM_VALUE	0	obj->base.lru_node.prev->next	4096-ptr_max
PARAM_VALUE	0	obj->base.lru_node.prev->prev	4096-ptr_max
PARAM_VALUE	0	obj->base.resv	1-u64max
PARAM_VALUE	0	obj->base.resv->fences->max_fences	0-4294967295
PARAM_VALUE	0	obj->base.resv->fences->num_fences	0-4294967295
PARAM_VALUE	0	obj->base.resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	obj->base.resv->lock.base.magic	4096-ptr_max
PARAM_VALUE	0	obj->base.resv->lock.base.osq.tail.counter	0-s32max
PARAM_VALUE	0	obj->base.resv->lock.base.owner.counter	0
PARAM_VALUE	0	obj->base.resv->lock.ctx	0
PARAM_VALUE	0	obj->base.resv->lock.ww_class	8825623990767841280
PARAM_VALUE	0	obj->base.size	0,4096-18446744073709547520
PARAM_VALUE	0	obj->base.vma_node.driver_private	0
PARAM_VALUE	0	obj->base.vma_node.vm_lock.magic	3736018669
PARAM_VALUE	0	obj->base.vma_node.vm_lock.owner	(-1)
PARAM_VALUE	0	obj->base.vma_node.vm_lock.owner_cpu	u32max
PARAM_VALUE	0	obj->base.vma_node.vm_node.color	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.flags	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.hole_size	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.mm	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.rb.rb_left	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.rb.rb_right	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.size	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.stack	0
PARAM_VALUE	0	obj->base.vma_node.vm_node.start	0
PARAM_VALUE	0	obj->bo_offset	2084864,4194304,16777216
PARAM_VALUE	0	obj->client_link.next	4096-ptr_max
PARAM_VALUE	0	obj->client_link.next->next	4096-ptr_max
PARAM_VALUE	0	obj->client_link.prev	4096-ptr_max
PARAM_VALUE	0	obj->client_link.prev->next	4096-ptr_max
PARAM_VALUE	0	obj->client_link.prev->prev	4096-ptr_max
PARAM_VALUE	0	obj->encode	2084864,4194304,16777216
PARAM_VALUE	0	obj->flags	0
PARAM_VALUE	0	obj->gvt_info	2084864,4194304,16777216
PARAM_VALUE	0	obj->gvt_info->obj->vgpu->cache_lock.dep_map->name	0-255
PARAM_VALUE	0	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	obj->gvt_info->obj->vgpu->cache_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	obj->gvt_info->obj->vgpu->cache_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	obj->lut_list.next	4096-ptr_max
PARAM_VALUE	0	obj->lut_list.next->next	4096-ptr_max
PARAM_VALUE	0	obj->lut_list.prev	4096-ptr_max
PARAM_VALUE	0	obj->lut_list.prev->next	4096-ptr_max
PARAM_VALUE	0	obj->lut_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	obj->mm.get_dma_page.lock.dep_map->name	0-255
PARAM_VALUE	0	obj->mm.get_dma_page.lock.first_waiter	0
PARAM_VALUE	0	obj->mm.get_dma_page.lock.magic	4096-ptr_max
PARAM_VALUE	0	obj->mm.get_dma_page.lock.owner.counter	0
PARAM_VALUE	0	obj->mm.get_dma_page.radix.xa_flags	11456
PARAM_VALUE	0	obj->mm.get_dma_page.radix.xa_head	0
PARAM_VALUE	0	obj->mm.get_page.lock.dep_map->name	0-255
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	obj->mm.get_page.lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	obj->mm.link.next->next	4096-ptr_max
PARAM_VALUE	0	obj->mm.link.next->prev	4096-ptr_max
PARAM_VALUE	0	obj->mm.link.prev->next	4096-ptr_max
PARAM_VALUE	0	obj->mm.link.prev->prev	4096-ptr_max
PARAM_VALUE	0	obj->mm.region->objects.lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	obj->mm.region->objects.lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	obj->mm.region->objects.lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	obj->mm.region->objects.lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	obj->mm.region->objects.lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	obj->mm.res->bo	0,8228535318055493632
PARAM_VALUE	0	obj->mm.res->bo->bdev	4096-ptr_max
PARAM_VALUE	0	obj->obj_link.next	4096-ptr_max
PARAM_VALUE	0	obj->ops	5653676338608275456
PARAM_VALUE	0	obj->ops->adjust_lru	0,4429992584214396928
PARAM_VALUE	0	obj->ops->delayed_free	0,5926832556445249536
PARAM_VALUE	0	obj->ops->dmabuf_export	0,2825331963569180672
PARAM_VALUE	0	obj->ops->flags	0,2,6,8,26
PARAM_VALUE	0	obj->ops->get_pages	4096-ptr_max
PARAM_VALUE	0	obj->ops->migrate	0,1598800189128794112
PARAM_VALUE	0	obj->ops->mmap_offset	0,446096312805322752
PARAM_VALUE	0	obj->ops->mmap_ops	0,4661964159669587968
PARAM_VALUE	0	obj->ops->name	4096-ptr_max
PARAM_VALUE	0	obj->ops->pread	0,7401744485809000448,8891031690581864448
PARAM_VALUE	0	obj->ops->put_pages	4096-ptr_max
PARAM_VALUE	0	obj->ops->pwrite	0,2096045760474890240,2800713264639791104
PARAM_VALUE	0	obj->ops->release	0,3174634900601434112,4896540049717575680,7664132821884952576,8446337041868943360,8964248445451067392
PARAM_VALUE	0	obj->ops->shrink	0,6389040613935005696,6985639316486627328
PARAM_VALUE	0	obj->ops->truncate	0,75591691694981120,2837679352212496384
PARAM_VALUE	0	obj->ops->unmap_virtual	0,5981797077985529856
PARAM_VALUE	0	obj->scratch	2084864,4194304,16777216
PARAM_VALUE	0	obj->stolen	2084864,4194304,16777216
PARAM_VALUE	0	obj->vma.list.next->next	4096-ptr_max
PARAM_VALUE	0	obj->vma.list.prev->next	4096-ptr_max
PARAM_VALUE	0	obj->vma.list.prev->prev	4096-ptr_max
PARAM_VALUE	1	tiling	0-2
PARAM_VALUE	2	stride	0-1048576
CAPPED_DATA	0	obj->base.size	1
DATA_SOURCE	0	obj	$0
BIT_INFO	0	obj->base.size	0x0,0xfffffffffffff000
NO_OVERFLOW_SIMPLE	0	obj->base.dev->mode_config.num_colorop
NO_OVERFLOW_SIMPLE	0	obj->base.dev->mode_config.num_crtc
NO_OVERFLOW_SIMPLE	0	obj->base.dev->mode_config.num_total_plane
NO_OVERFLOW_SIMPLE	0	obj->base.dev->num_crtcs
NO_OVERFLOW_SIMPLE	0	obj->base.size