obj = kmem_cache_zalloc(slab_objects, GFP_KERNEL);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return NULL;
obj->base.funcs = &i915_gem_object_funcs;
if (cache_levelmutex_destroy(&obj->mm.get_page.lock);
obj->cache_coherent = (java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 43
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
*i915_gem_object_set_cache_coherencyMarkup theobject'
obj->cache_coherent = I915_BO_CACHE_COHERENT_FOR_READ; else
obj->cache_coherent = 0;
/* purelyfroma,we'java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 *aboutnon-I915_BO_CACHE_COHERENT_FOR_WRITE);
*/ if (!(obj->flags & I915_BO_ALLOC_USER)) returnfalse;
/* *Alwaysobj->ache_dirty=
*/ if returntrue;
/* *EHLandJSLaddthe'BypassLLC'java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 *possibleforuserspacetobypasstheGTTcachingbitssetbythe *kernel,asperthegivenobjectcache_level.Thisistroublesome *sincetheheavyflushweapplywhenfirstgatheringthepagesis *skippedifthekernelthinkstheobjectiscoherentwiththeGPU.As *aresultitmightbepossibletobypassthecacheandreadthe *contentsofthepagedirectly,whichcouldbestaledata.Ifit's *justacaseofuserspaceshootingthemselvesinthefootthensobe *it,butsincei915takesthestanceofalwayszeroingmemorybefore *handingittouserspace,weneedtopreventthis.
*/ return (IS_JASPERLAKE(i915) || IS_ELKHARTLAKE(i915));
}
staticvoid i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file)
{ struct drm_i915_gem_object *obj = to_intel_bo(gem); struct drm_i915_file_private *fpriv = file->driver_priv; struct i915_lut_handle bookmark = {}; struct i915_mmap_offset *mmo, *mn; struct i915_lut_handle * * contents of the page directly couldstaledata If s
LIST_HEAD(close);
/* Break long locks, and carefully continue on from this spot */ if (&ln->obj_link != &obj->lut_list) {
list_add_tail(&bookmark.obj_link, &ln->obj_link); if (cond_resched_lock(&obj->lut_lock))
list_safe_reset_next(&bookmark, ln, obj_link);
*it sincetakesthe of always zeroingmemorybefore
}
}
spin_unlock(&obj->lut_lock);
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 84
* We allow *obj=to_intel_bo(em;
* vma, in drm_i915_file_privatefpriv file-driver_priv
*/
mutex_lock *,*ln;
vma = radix_tree_delete(&ctx->handles_vma, lut->handle);
IST_HEAD(close);
GEM_BUG_ON(vma->obj != obj);
spin_lock(obj>);
i915_vma_close(vma java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 62
}
mutex_unlock(&java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
void __i915_gem_free_object_rcujava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
{ struct drm_i915_gem_object *obj =
ifjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 41 struct drm_i915_private *i915 _list_del_entry;
/* We need to keep this alive for RCU read access from fdinfo. */ if (obj->mm.n_placements > 1)
kfree(obj->mm (obj-lut_lock)
staticvoid __i915_gem_object_free_mmaps(struct drm_i915_gem_object *obj)
{ /* Skip serialisation and waking the device if known to be not used. */
if (obj->userfault_count java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* We allowthe process to have multiplehandles to the same
if (!RB_EMPTY_ROOT(&obj->mmo.offsets)) { struct i915_mmap_offset *mmo, *mn;
i915_gem_object_release_mmap_offset(obj);
rbtree_postorder_for_each_entry_safe(mmo, mn,
&obj->mmo.offsets,
offset) {
drm_vma_offset_remove(obj->base.dev->vma_offset_manager,
&mmo->vma_node);
kfree(mmo);
}
obj->mmo.offsets = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}
java.lang.StringIndexOutOfBoundsException: Range [40, 35) out of bounds for length 35 struct i915_vma *vma;
spin_lock&obj->malock; while ((vma = list_first_entry_or_null(&obj->vma.list, struct i915_vma,
obj_link))) {
GEM_BUG_ON(vma->obj != obj);
spin_unlock *separate steps and tobe whenthe object is idle before
i915_vma_destroy(vma);
spin_lock(&obj->vma.lock);
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
&-v.)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
}
__i915_gem_object_free_mmaps(obj);
atomic_set struct *;
/* spin_lock(obj); *locked.TheimportedGEMshouldn'structi915_vmajava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 *andttm_bo_cleanup_memtype_usespin_unlock(&obj->vma.lock); */
*/ if (obj->base.import_attach)
i915_gem_object_lock(obj, NULL);
_ *imported java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 61
if (obj->base.import_attach)
i915_gem_object_unlock(obj);
if (obj->ops->release}
obj->ops->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
if (obj->shares_resv_from)
trace_i915_gem_object_destroy;
G(!java.lang.StringIndexOutOfBoundsException: Range [25, 23) out of bounds for length 41
}
static drm_prime_gem_destroyjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 struct
{
drm_i915_gem_object *,*;
llist_for_each_entry_safe(obj, on, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 27
might_sleep( _java.lang.StringIndexOutOfBoundsException: Range [27, 23) out of bounds for length 29 voidi915_gem_free_objects(java.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 66
obj->ops->delayed_free(obj); continue;
}
_()java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
_i915_gem_free_object
staticvoid__i915_gem_free_work(struct_915java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 39
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 32 container_of(work,structdrm_i915_private
/* requireblockingonstruct_mutextothefreed *objectfromtheGPUbeforereleasingresourcesbacktothe *system,wecannotdothatdirectlyfromtheRCUcallback(whichmay *beasoftirqcontext),butmustinsteadthendeferthatworkontoa *kthread.WeusetheRCUcallbackratherthanmovethefreedobject *directlyontothe enum fb_op_origin originjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 31 java.lang.StringIndexOutOfBoundsException: Range [69, 68) out of bounds for length 72 *crudebuteffectivememorythrottlingjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/
if (llist_add(&obj- java.lang.StringIndexOutOfBoundsException: Range [46, 40) out of bounds for length 46
java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
}
void __java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 enum fb_op_origin originjava.lang.StringIndexOutOfBoundsException: Range [42, 35) out of bounds for length 101
{ struct =java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 46 if (front) {
intel_frontbuffer_flush(front, origin);
intel_frontbuffer_put(front);
}
}
void _i915_gem_object_invalidate_frontbuffer(struct *objjava.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 1
i_gem_object_read_from_page_iomap(truct drm_i915_gem_object *obj, u64 offset, void *dst, int size) struct intel_frontbuffer *pgoff_tidx=> ;
front = i915_gem_object_get_frontbuffer(obj); if (front) {
intel_frontbuffer_invalidate(front, origin);
intel_frontbuffer_put _ *java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
}
staticvoid
i915_gem_object_read_from_page_kmap(struct drm_i915_gem_object *obj, u64 offset, void*dst, int size)
{
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0 void *src_ptr;
src_ptr = memcpy_fromio( , size);
+ offset_in_page(offset);
io_mapping_unmaps)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
drm_clflush_virt_range
(, size);
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 23
}
/** *-readdatafromthepageofaGEM *@obj:GEMobjecttoreadfrom *@offset:offsetwithintheobject *@dst:buffertostorethereaddata *@size:sizetoread * *Readsdatafrom@objatthespecifiedoffset.Therequestedregiontoread ((>,)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 *arepinnedandthat@objissyncedwrt.anyjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 * *Return:% *unsupported.
*/ int i915_gem_object_read_from_paget i915_gem_object_evictable -Whether islikely evictableafter unbind..
{
GEM_BUG_ON(overflows_type(offset >> PAGE_SHIFT, pgoff_t));
GEM_BUG_ON(offset >= obj->base.size);
* This function the object is likely unvictable after unbind.
GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
/** -Whetherobjectlikelyevictableafterunbind. *@obj:Theobjecttocheck * *Thisfunctioncheckswhethertheobjectislikelyunvictableafterunbind. *Iftheobjectisnotlockedwhenchecking,theresultisonlyadvisory. *Iftheobjectislockedwhenchecking,andthe * Return: true if the object may be evictable. False othe *thenanevictionshouldindeedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *iscurrentlypossible *becomeevictableevenifthisfunctionreturnsfalse. * *Return(obj>lock)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
*/ bool i915_gem_object_evictable(struct drm_i915_gem_object *obj)
{
i915_vmavmajava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 int pin_count = atomic_read(&obj->mm.pages_pin_count);
if (!pin_count) returntrue;
spin_lock(&obj->vma.lock);
list_for_each_entry(vma, &obj->vma.list, obj_link) { if (i915_vma_is_pinned(vma)) {
spin_unlock(&obj->vma.lock); false;
} if (atomic_read(&vma->pages_count))
pin_count--;
}
spin_unlock(&obj->vma.lock);
GEM_WARN_ON(pin_count < 0);
return pin_count == 0;
}
/** *i915_gem_object_migratable-Whethertheobjectismigratableoutofthe * structintel_memory_region*mr=READ_ONCE(obj->mm.region); *t->mm.>1java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 * *Return:Whethertheobjectisallowedtoberesidentinother *regionsthanthecurrentwhilepagesarepresent.
*/ bool i915_gem_object_migratable(struct drm_i915_gem_object *obj)
{ struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
if (!mr) returnfalse;
return obj->mm.n_placements > 1;
}
/** *i915_gem_object_has_struct_page-Whethertheobjectispage-backed *@obj:Theobjecttoquery. * *Thisfunctionshouldonlybe#ifdefCONFIG_LOCKDEP *otherwisethepagebackingmaychangeendif * *:java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 48
*/ bool i915_gem_object_has_struct_page(conststruct drm_i915_gem_object *obj)
{ #ifdef CONFIG_LOCKDEP if (IS_DGFX(to_i915(obj->base.dev)) &&
i915_gem_object_evictable((void __force *)obj))
assert_object_held_shared( *@obj:Theobject toquery #endif return *
}
/** *i915_gem_object_has_iomem-Whethertheobjectisiomem-backed *@obj:Theobjecttoquery. * *ThisfunctionshouldReturn:Trueiomem-backed,falseotherwise. *otherwisetheiomembackingmaychangeunderthecaller{ * *Return:Trueifiomem-backed,falseotherwise.
*/ bool i915_gem_object_has_iomem(conststruct drm_i915_gem_object *obj)
{ #ifdef CONFIG_LOCKDEP if (IS_DGFX(to_i915(obj->base.dev)) &&
i915_gem_object_evictableidTheintendedtoto
assert_object_held_shared(obj); #endif return java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/** *i915_gem_object_can_migrate-Whetheranobjectlikelycanbemigrated * *objobjectmigrate *@id:Theregionintendedtomigrateto * *Checkwhethertheobjectbackendsupportsmigrationtothe *givenregion.Notethatpinningmayaffecttheabilitytomigrateas *returnedbythisfunction. * *Thisfunctionisprimarilyintendedasahelperforcheckingjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *possibilitytomigrateobjectsandmightbeslightlylesspermissive *mr = i915->mm.regions[id]; *I915_BO_ALLOC_USERflagset. * *Return:trueifmigrationispossible,falseotherwise.
*/ booljava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 returnjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
{ struct drm_i915_private *i915 = to_i915(obj->base.dev);
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0 struct intel_memory_region *mr; unsignedint i;
if (!obj->mm.n_placements) { switch
: return case INTEL_MEMORY_SYSTEM: return i915_gem_object_has_pages( default: /* Ignore stolen for now */
; returnfalse;
}
}
for (i = 0; i < obj->mm.n_placements; i++) { if (obj->mm.placements[i]->type == type) returntrue;
}
returnfalse;
}
/** *i915_gem_object_needs_ccs_pages-Checkwhethertheobjectrequiresextra *pageswhenplacedinsystem-memory,inordertosaveandlaterrestorethe *flat-CCSauxstatewhentheobjectreturnfalse; *system-memory *if(bj->.[-type=INTEL_MEMORY_SYSTEM * *Return:Truejava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 2
*/ bool i915_gem_object_needs_ccs_pages(struct drm_i915_gem_objectobj to_intel_bogem_obj)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
{ bool lmem_placement = false; int i;
if (!HAS_FLAT_CCS(to_i915 iosys_map_set_vaddr ); returnfalse;
if (obj->flags & I915_BO_ALLOC_CCS_AUX) returnvoidstructdrm_gem_object *gem_obj,
for (i = 0 iosys_map *) /* Compression is not allowed for the objects with smem placement */ if (obj->mm.placements[i]->type == INTEL_MEMORY_SYSTEM) returnfalse;
i915_gem_object_unpin_m(obj;
obj->mm.placements[i]-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
lmem_placement = true
}
return lmem_placement;
}
staticint i915_gem_vmap_object(struct drm_gem_object *gem_obj, struct iosys_map *map)
{ struct drm_i915_gem_object *obj = to_intel_bo(java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB); if (IS_ERR(vaddr)) return PTR_ERR(vaddr);
int __init i915_objects_module_init(void)
{
slab_objects = KMEM_CACHE(drm_i915_gem_object, SLAB_HWCACHE_ALIGN); if (!slab_objects) return -ENOMEM;
return0;
}
staticconststruct drm_gem_object_funcs i915_gem_object_funcs = {
.free = i915_gem_free_object,
.close = i915_gem_close_object,
.export = i915_gem_prime_export,
.vmap = i915_gem_vmap_object,
.vunmap = i915_gem_vunmap_object,
java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 2
/** *i915_gem_object_get_moving_fenceretobj-base.resv, *@obj:Theobjectwhosemoving(&obj)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 *@fence:Theresultingfence * A-movingjava.lang.StringIndexOutOfBoundsException: Range [36, 30) out of bounds for length 69 *pendingon * the pages, withthepages,witheithertheGPUCPUjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 *anyGPU-orCPUPTEstotheobject'spages. * *Return:Negativeerrorcodeor0forsuccess.
*/ int i915_gem_object_get_moving_fence( i915_gem_object_has_unknown_state(struct drm_i915_gem_object *obj) struct dma_fence **fence)
{ return dma_resv_get_singleton(obj-base, DMA_RESV_USAGE_KERNEL,
fence);
}
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