i915_gem_object_prepare_write identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/gpu/drm/i915/gem/i915_gem_object.h, line 742 (as a prototype)

Defined in 1 files as a function:

drivers/gpu/drm/i915/gem/i915_gem_domain.c, line 712 (as a function)

Referenced in 5 files:

Smatch caller information:

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c reloc_kmap() -> i915_gem_object_prepare_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj->base.resv->fences->num_fences	0-4294967295
PARAM_VALUE	1	needs_clflush	7600618168543162368
DATA_SOURCE	0	obj	$0
HALF_LOCKED2		pool->obj->base.resv

drivers/gpu/drm/i915/gem/i915_gem_context.c cpu_fill() -> i915_gem_object_prepare_write()

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->iommu->attach_deferred	0-1
PARAM_VALUE	0	obj->base.dev->dev->iommu_group->default_domain	0-s64max
PARAM_VALUE	0	obj->base.filp	0
PARAM_VALUE	0	obj->base.funcs	8073635319949537280
PARAM_VALUE	0	obj->base.funcs->evict	0
PARAM_VALUE	0	obj->base.funcs->free	0,4096-ptr_max
PARAM_VALUE	0	obj->base.funcs->mmap	0,4096-ptr_max
PARAM_VALUE	0	obj->base.funcs->open	0,4096-ptr_max
PARAM_VALUE	0	obj->base.funcs->pin	0,4096-ptr_max
PARAM_VALUE	0	obj->base.funcs->rss	0,4096-ptr_max
PARAM_VALUE	0	obj->base.funcs->vmap	0,4096-ptr_max
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	1
PARAM_VALUE	0	obj->base.import_attach->dev->iommu_group->default_domain	0-s64max
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	0
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.dep_map->name	0-255
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.resv->lock.ww_class->is_wait_die	0-s32max
PARAM_VALUE	0	obj->base.size	0,4194304-4294967296
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->cache_coherent	0-1,3
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->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	0
PARAM_VALUE	0	obj->mm.get_page.lock.magic	4096-ptr_max
PARAM_VALUE	0	obj->mm.get_page.lock.osq.tail.counter	0
PARAM_VALUE	0	obj->mm.get_page.lock.owner.counter	0
PARAM_VALUE	0	obj->mm.get_page.radix.xa_flags	11456
PARAM_VALUE	0	obj->mm.get_page.radix.xa_head	0
PARAM_VALUE	0	obj->mm.link.next	4096-ptr_max
PARAM_VALUE	0	obj->mm.link.next->next	4096-ptr_max
PARAM_VALUE	0	obj->mm.link.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.madv	0
PARAM_VALUE	0	obj->obj_link.next	899363081031504024
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->pat_index	0-3
PARAM_VALUE	0	obj->read_domains	1
PARAM_VALUE	0	obj->scratch	2084864,4194304,16777216
PARAM_VALUE	0	obj->stolen	2084864,4194304,16777216
PARAM_VALUE	0	obj->vma.list.next	4096-ptr_max
PARAM_VALUE	0	obj->vma.list.next->next	4096-ptr_max
PARAM_VALUE	0	obj->vma.list.prev	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	0	obj->write_domain	1
PARAM_VALUE	1	needs_clflush	5226486388724195328
CAPPED_DATA	0	obj->base.size	1
DATA_SOURCE	0	obj	$0
BIT_INFO	0	obj->base.size	0x0,0x1ffc00000
BIT_INFO	0	obj->mem_flags	0x1,0xffffffffffffffff
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
LOCK2	0	obj->base.resv
HALF_LOCKED2		&ctx->engines_mutex

drivers/gpu/drm/i915/i915_cmd_parser.c copy_batch() -> i915_gem_object_prepare_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj	4096-ptr_max
PARAM_VALUE	0	obj->base.dev->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	obj->base.dev->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	obj->base.resv->fences	4096-ptr_max
PARAM_VALUE	0	obj->flags	0,1024-u64max
PARAM_VALUE	1	needs_clflush	9199167758579462144
CAPPED_DATA	0	obj->base.resv->fences	1
DATA_SOURCE	0	obj	$0
NO_OVERFLOW_SIMPLE	0	obj->base.size
HALF_LOCKED2		pool->obj->base.resv

drivers/gpu/drm/i915/gem/i915_gem_object.c cpu_set() -> i915_gem_object_prepare_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj	4096-ptr_max
PARAM_VALUE	0	obj->base.resv->lock.base.dep_map->name	0-255
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	obj->base.resv->lock.base.first_waiter->task->blocked_lock.dep_map->name	0-255
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	obj->obj_link.next	4909251368295780504,5820987673129783448
PARAM_VALUE	1	needs_clflush	4092490469863002112
LOCK2	0	obj->base.resv

drivers/gpu/drm/i915/i915_gem.c i915_gem_shmem_pwrite() -> i915_gem_object_prepare_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	obj	4096-ptr_max
PARAM_VALUE	0	obj->base._resv.lock.ww_class->is_wait_die	0-1
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->task->blocked_lock.dep_map->name	0-255
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.osq.tail.counter	0-s32max
PARAM_VALUE	0	obj->base.resv->lock.ctx	0
PARAM_VALUE	0	obj->base.size	1-u64max
PARAM_VALUE	0	obj->obj_link.next	3951897596242858136,4788333397751943320,7777990759765643416
PARAM_VALUE	0	obj->ops	4096-ptr_max
PARAM_VALUE	0	obj->ops->pwrite	0,2096045760474890240,2800713264639791104
PARAM_VALUE	1	needs_clflush	7401486875236900864
CAPPED_DATA	0	obj->base.size	1
DATA_SOURCE	0	obj	$0
LOCK2	0	obj->base.resv