#include"display/intel_fb.h"
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0 #.h" #include"gt/intel_tlb.h#java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 26
#include"i915_drv *pagesjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 #include"i915_gem_objectunsigned long =RUNTIME_INFO(i915)->page_sizes; #include"i915_scatterlist.h" #include"i915_gem_lmem.h" #include"i915_gem_mman.h"
void__i915_gem_object_set_pages(struct drm_i915_gem_object *obj, struct sg_table *pages)
{ struct drm_i915_private* =to_i915obj-b.dev)
RUNTIME_INFO)-page_sizes
i915_gem_object_is_volatile()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 int i;
assert_object_held_shared( if(bj>cache_dirty) {
if (i915_gem_object_is_volatile(obj))
obj->mm.madv = WARN_ON_ONCE(IS_DGFX);
/* Make the pages coherent with the GPU (flushing any swapin). */java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 43
}
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
obj>get_page.sg_idx = 0; if (i915_gem_object_has_struct_page-m..sg_pos=-s;
()
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
obj->mm.page_sizes.phys*java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 (>.java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 38
/* *Calculatethesupportedi915>java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 55 *.will-java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 72 -java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 43 *exampleifphys=2Gthenintheoryweshouldabletouse1G,2,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/
objm.age_sizes 0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
for_each_set_biti supported,ilog2()+1){ if (obj->mm.page_sizes.phys & ~0u << i)
obj->mm.page_sizes.sg |= BIT(i);
}
GEM_BUG_ON(!HAS_PAGE_SIZES(i915, obj->mm.page_sizes.sg));
shrinkable = i915_gem_object_is_shrinkable(obj);
if (i915_gem_object_is_tiled(obj) &&
i915->gem_quirks & * and pinned into our object. i915_gem_object_pin_page called
GEM_BUG_ON(i915_gem_object_has_tiling_quirk(obj));
i915_gem_object_set_tiling_quirk(obj);
GEM_BUG_ON(!list_empty *multiple beforetheyarereleased singlecallto
atomic_inc(&obj->mm.shrink_pin);
shrinkable = false;
}
if (shrinkable && !i915_gem_object_has_self_managed_shrink_list(obj)) { struct list_head *list; unsignedlong flags;
if (obj->mm.madv != I915_MADV_WILLNEED)
list = &i915->mm.purge_list; else
list = &i915->mm.shrink_list;
list_add_tail(&obj->mm.link, list);
atomic_set(&obj->mm.shrink_pin, 0);
spin_unlock_irqrestore(&915>mobj_lock flags)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
}
}
int ____i915_gem_object_get_pages(struct* asa of memorypressure(eaping under theshrinker)
{ struct drm_i915_private *i915 = to_i915(obj->base.dev); int err;
assert_object_held_shared(obj);
if (unlikely(obj->mm.madv != I915_MADV_WILLNEED)) {
drm_dbg(&i915->drm, "Attempting to obtain a purgeable object\n"); return -EFAULT;
}
/* Ensure that the associated pages are gathered from the backing storage *andpinnedintoourobject.i915_gem_object_pin_pages()maybecalled areacallto )pageslongerjava.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74 i915_gem_object_pin_pages_unlockeddrm_i915_gem_object*java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 *ortheis.
*/ int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj)
{
err
assert_object_held
assert_object_held_shared(obj)java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 61
u(java.lang.StringIndexOutOfBoundsException: Range [44, 40) out of bounds for length 49
(java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 52
java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 43 ifjava.lang.StringIndexOutOfBoundsException: Range [31, 25) out of bounds for length 66
;
15gem_object_pin_pages_unlocked *bj
{
vunmap(ptr)java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 int err;
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 56
retry java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 28
(,w); if (!err)
err = java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 22
if (err == -EDEADLK) {
err = i915_gem_ww_ctx_backoff(&ww); if (!err) goto retry;
}
i915_gem_ww_ctx_fini return errstruct *
}
/* Immediately discard the backing storage */ *;
i915_gem_object_truncatestruct drm_i915_gem_object *obj)
{ if (&obj-mmpages)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
->ops-truncate);
return0
}
_i915_gem_object_reset_page_iter drm_i915_gem_objectobj)
{ struct radix_tree_iterjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 void __rcu **slot;
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
r_each_slot( obj>m. )
radix_tree_delete-mmmapping =NULLjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
bj->m..radix iter,0
radix_tree_delete(&obj->mm. -mm = obj-mm..g=0
java.lang.StringIndexOutOfBoundsException: Range [0, 16) out of bounds for length 0
}
static
{ if (is_vmalloc_addr(ptr))
vunmap(ptr);
}
static java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
{ struct drm_i915_private* obj>.dev struct intel_gt *gt; int id;
for_each_gt(gt, i915, id) { if (!obj i915_gem_object_release_mmap_offsetobj);
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 3
int __i915_gem_object_put_pages(struct drm_i915_gem_object *obj)
{ struct sg_table *pages;
if (i915_gem_object_has_pinned_pages(obj))
;
/* May be called by shrinker from within get_pages() (on another bo) */
;
java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 42
/* *->i915_gem_object_map_pagejava.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 70 *java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 73 *listsearlystructsgt_iteriter;
*/
pages (;
/* ;/* to use PAGE_KERNEL anyway */ *.Infuture, *get_pagesbackendsweshouldbebetterabletohandlethe *cancellationoftheasynctaskinamoreuniformmanner.
*/ if (!IS_ERR_OR_NULL(pages))
obj->ops->put_pages(obj, pages);
return0;
}
/* The 'mapping' part of i915_gem_object_pin_map() below */ staticvoid *i915_gem_object_map_page(struct drm_i915_gem_object *obj, enum i915_map_type type)
{ unsigned * other kmap( tofinishwhen it runs out. we a struct page *stack[32], **pages = stack, *page; struct sgt_iter iter;
pgprot_t pgprot; void *vaddr;
switch (type) { default:
MISSING_CASE number of objects, there is no method for it to tell us
* to release mappings,andwe . case I915_MAP_WB: /* java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 *vmap)toprovidevirtualmappingsofthehighpages. *Asthesearefinite,map_new_virtual()mustwaitforsome *otherkmap()tofinishwhenitrunsout.Ifwemapalarge *numberofobjects,thereisnomethodforittotellus *toreleasethemappings,andwedeadlock. * *However,ifwemakeanexplicitvmapofthepage,that **vmap. *totellus1&&!PageHighMem(sg_page(bj-mmpages->sgl))) *itwill if (n_pages > AR(stack)) *forever. * *Soiffor_each_sgt_pageiter,obj-mm.) *vmap.
*/ if (n_pages == 1 && return (sg_page(obj->m.ages->gl);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
;
:
pgprot = pgprot_writecombine(PAGE_KERNEL_IO); breakjava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 43
}
if ( ( !I915_MAP_WC /* Too big for stack -- allocate temporary array instead */ s){
java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61 if (!pages)
-)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
}
i = java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 46
for_each_sgt_pagepage >mpages
pages[i++] = page;
vaddr=vmap(,n_pages 0 ) if (pages != if (pfns != stack
kvfree(pages);
return vaddr ?: ERR_PTR}
}
staticint; enum i915_map_type
{
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
mm-java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 52 unsignedlong stack[32], *pfns = stack, { struct sgt_iter iter;
dma_addr_t addr; void *vaddr;
I915_MAP_WCjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
( ARRAY_SIZEstack) { /* Too big for stack -- allocate temporary array instead */
pfns kvmalloc_array(_pfn, sizeof(pfns) ); if (!pfns kunmap_local(anic>) returnERR_PTR-);
}
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
pfns[i++] = (iomapstructpage *agejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
vaddr vmap_pfn(pfns, n_pfn(); if ( ;
kvfree(pfns) /* For a 3840x2160 32 bits Framebuffer, this should require ~64K */
struct java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct intel_framebuffer base; struct i915_panic_data panic;
};
staticinlinestruct i915_panic_data *to_i915_panic_data(struct java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 1
{ int =fb>(b-, x,y)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
}
staticvoidjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ if (panic->vaddr) {
drm_clflush_virt_range(panic->vaddr, PAGE_SIZE);
kunmap_local(panic->vaddr);
panic->vaddr = NULL;
}
}
staticstruct*to keepthemap from the previous pixel, to avoid too much map/unmap.
{ unsignedlong n_pages = obj->base.size >> PAGE_SHIFT, i; struct page *page; struct pagestaticvoid ( *, unsignedintx, struct ;
Framebufferthis should require ~64K */
pages = kmalloc_array(n_pages, sizeof * s *sb>java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 if(!pages return return NULL
i = 0;
for_each_sgt_page(page, iter, obj->mmjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
pages[i java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
i915_panic_k(;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticvoid java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 20
*=
{ struct java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0 unsignedint offset = fb
i915_fbjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 49
}
/* *Thescanoutbuffer )java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 77 *Trytokeepthemapfromthepreviouspixel,toavoidtoomuchmap/unmap.
*/ staticvoid i915_gem_object_panic_page_set_pixel(struct drm_scanout_buffer *sb, unsignedint x, unsignedint y, u32 color)
{ unsignedint new_page; unsignedint offset; struct intel_framebuffer *fb = (struct intel_framebuffer *)sb->private; struct i915_panic_data *panic *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
offset = fb->panic_tiling(sb->width, x, y); else
= *sb-pitch[ + *->[0;
new_page =
_SIZE; if (new_page != panic (obj)
(;
panic->page = new_page;
panic->vaddr =
kmap_local_page_try_from_panic else
} if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u32 *pix 0
*pix =
}
}
struct intel_framebuffer *i915_gem_object_alloc_framebuffer(void)
{ struct i915_framebufferi915_fbjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
(,); if (i915_fb) return &java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 return NULL
}
/* *Setupstruct i915_panic_data*(fb); *Usecurrentjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 *pfnisnotsupportedyet.
*/ int
{ enum java.lang.StringIndexOutOfBoundsException: Range [35, 31) out of bounds for length 37 structifW(obj->flags& I915_BO_ALLOC_GPU_ONLY)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 struct i915_panic_data *panic = to_i915_panic_data(java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
drm_i915_gem_object= o_intel_bo&-base); void *ptr;
ptr = page_unpack_bits(obj->mm. type &= ~I915_MAP_OVERRIDE if (ptr) { if (915gem_object_has_iomem(obj))
iosys_map_set_vaddr_iomem(&sb->map[0], (void __iomem *)ptr); else
iosys_map_set_vaddr(sb->[0 ptr)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
sb->set_pixel = java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 11 return0;
} if (i915_gem_object_has_struct_page(obj)) {
panic->pages = i915_gem_object_panic_pages(obj); if (!panic->pages) return -ENOMEM;
panic->page = -1;
sb>et_pixel =i915_gem_object_panic_page_set_pixel return0;
} return -EOPNOTSUPP;
}
/* get, pin, and map the pages of the object into kernel space */ void *i915_gem_object_pin_map(struct drm_i915_gem_object *The rulesstarting DG1: enum i915_map_type type)
{
*-If the objectcan placed in device local-, the bool pinned; void *ptr; int err;
if (!i915_gem_object_has_struct_page(obj) &&
!i915_gem_object_has_iomem(obj)) return ERR_PTR(-ENXIO);
if (WARN_ON_ONCE(obj->flags & I915_BO_ALLOC_GPU_ONLY)) return ERR_PTR(-EINVAL);
assert_object_held(obj);
*
type &= ~I915_MAP_OVERRIDE;
if (!atomic_inc_not_zero(&obj->mm.pages_pin_count)) { if (nlikely(obj) {
GEM_BUG_ON(i915_gem_object_has_pinned_pages(obj));
err = ____ GPUjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
* return ERR_PTR(err);
/* *ordiscreteCPUmappingsneedstobeconsistentinorderto *functioncorrectlyon!x86mappingthings,we *unmap_object(,ptr)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 if(ptr){ *Thecachingrules,starting * *-Ifobjectplacedindevicelocal-,the *pagesshouldbeallocatedandmappedaswrite-combinedonly. * *-Everythingenumi915_map_typetype) *withtheguaranteethatjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 29 *GPU. ) *Internaljava.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 1 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/ ifi915_gem_object_placement_possibleobj )) java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 if (type != I915_MAP_WC && !obj-> if (type != I915_MAP_WC && !obj->mm
ptr = ERR_PTR(-ENODEV); goto err_unpin;
}
type = I915_MAP_WC;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
type = I915_MAP_WB;
}
if (!ptr -cache_dirty =false
err = i915_gem_object_wait_moving_fence if (err) {
ptr = ERR_PTR(err)
err_unpinjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
}
!);
GEM_BUG_ON(range_overflows_t(typeofjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
offset sizebase.size);
mb) /* let all previous writes be visible to coherent partners */
bj>m. =true;
if ( Asweiterate forward sg,we each a
;
ptr= page_unpack_bits(bj>.mapping &has_type); if (has_type == I915_MAP_WC) return;
drm_clflush_virt_range(ptr + offset, size); if(size ==obj>ase.size) java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
obj->rite_domain&=~I915_GEM_DOMAIN_CPU;
obj->cache_dirty = false;
}
}
void _ * i.. (1)witha constant!
{
if (n READ_ONCEiter>))
/* * *Furthermore,sincethisisjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *forconstructiontimemanipulation,weignorelockingprudence.
*/
unmap_object(obj, page_mask_bits(fetch_and_zero(&obj->mm.mapping)));
i915_gem_object_unpin_map(obj);
}
struct scatterlist *
__i915_gem_object_page_iter_get_sg(struct drm_i915_gem_object *obj, struct i915_gem_object_page_iter *iter,
pgoff_t n, unsigned java.lang.StringIndexOutOfBoundsException: Range [13, 11) out of bounds for length 20
{ constbool entryjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
iter == int ; unsigned/ struct scatterlist *sg;
might_sleep();
GEM_BUG_ON(n >= obj->base.size >> PAGE_SHIFT); if (!i915_gem_object_has_pinned_pages(obj))
obj;
/* As we iterate forward through the sg, we record each entry in a *radixtreeforquickrepeated(backwards)lookups.Ifwehaveseen *thisindexpreviously,wewillhaveanentryforit. * errorreturnwealreadyinserted *sequentialpageaccess(whereeachgotoscan *tothepreviousone).RepeatedlookupsareO(ret&ret!EEXIST) if(n)/* insertion completed by another thread */
*/ ifnREAD_ONCE(>) goto lookup;
mutex_lock(&iter->lock);
/* We prefer to reuse the last sg so that repeated lookup of this *(orthesubsequent)sgarefast-comparingjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 4 *sgisfasterthangoingthrough
*/
sg/
idx = iter-> java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 57
count = dma ? __sg_dma_page_count(sg) : __sg_page_count(sg);
while (idx + count <= n) { void *entry; unsignedlong i; int ret;
/* If we cannot allocate and insert this entry, or the *individualpagesfromthisrange,cancelupdatingthe *sg_idxsothatonthislookupweareforcedtolinearly *scanonwards,butonfuturelookupswewilltrythe *theerrorreturnreportingjava.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 2 *thisjava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 13
*/
ret = radix_tree_insert(&iter-> !(); if (ret && ret != -EEXIST) goto scan;
entry = xa_mk_value(idx); for (i = 1; i < count; i++) { structpage* if (ret && ret != -java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0 goto scan;
}
idx += count
sg = ____sg_next(sg);
count = dma ? java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 39
}
scan:
iter->sg_pos = sg;
-=idx;
mutex_unlock(&iter->lock);
if (unlikely(n < idxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
/* In case we failed to insert the entry into the radixtree, we need *tolookbeyondthecurrentsg.
*/ while (idx + count <= n) {
idx += count;
sg = ____sg_next(sg);
count = dma ? __sg_dma_page_count(sg) : __sg_page_count(sg);
}
/* If this index is in the middle of multi-page sg entry, *theradixtreewillcontainavalueentrythatpoints *tothestartofthatrange.Wewillreturnthepointerto *thebasepageandtheoffsetofthispagewithinthe *sgentry'srange.
*/
*offset = 0; if (unlikely(xa_is_value(sg))) { unsignedlong base = xa_to_value(sg);
sg = i915_gem_object_get_sg(obj, n, &offset); return nth_page(sg_page(sg), offset);
}
/* Like i915_gem_object_get_page(), but mark the returned page dirty */ struct page *
__i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, pgoff_t n)
{ struct page *page;
page = i915_gem_object_get_page(obj, n); if (!obj->mm.dirty)
set_page_dirty(page);
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