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Differential D32006 Diff 96192 sys/dev/drm2/ttm/ttm_page_alloc.c

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sys/dev/drm2/ttm/ttm_page_alloc.c

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static vm_page_t static vm_page_t
ttm_vm_page_alloc_dma32(int req, vm_memattr_t memattr) ttm_vm_page_alloc_dma32(int req, vm_memattr_t memattr)
{ {
vm_page_t p; vm_page_t p;
int tries; int tries;
for (tries = 0; ; tries++) { for (tries = 0; ; tries++) {
p = vm_page_alloc_contig(NULL, 0, req, 1, 0, 0xffffffff, p = vm_page_alloc_noobj_contig(req, 1, 0, 0xffffffff, PAGE_SIZE,
PAGE_SIZE, 0, memattr); 0, memattr);
if (p != NULL || tries > 2) if (p != NULL || tries > 2)
return (p); return (p);
if (!vm_page_reclaim_contig(req, 1, 0, 0xffffffff, if (!vm_page_reclaim_contig(req, 1, 0, 0xffffffff,
PAGE_SIZE, 0)) PAGE_SIZE, 0))
vm_wait(NULL); vm_wait(NULL);
} }
} }
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static vm_page_t static vm_page_t
ttm_vm_page_alloc(int flags, enum ttm_caching_state cstate) ttm_vm_page_alloc(int flags, enum ttm_caching_state cstate)
{ {
vm_page_t p; vm_page_t p;
vm_memattr_t memattr; vm_memattr_t memattr;
int req; int req;
memattr = ttm_caching_state_to_vm(cstate); memattr = ttm_caching_state_to_vm(cstate);
req = VM_ALLOC_NORMAL | VM_ALLOC_WIRED | VM_ALLOC_NOOBJ; req = VM_ALLOC_WIRED;
if ((flags & TTM_PAGE_FLAG_ZERO_ALLOC) != 0) if ((flags & TTM_PAGE_FLAG_ZERO_ALLOC) != 0)
req |= VM_ALLOC_ZERO; req |= VM_ALLOC_ZERO;
if ((flags & TTM_PAGE_FLAG_DMA32) != 0) if ((flags & TTM_PAGE_FLAG_DMA32) != 0)
p = ttm_vm_page_alloc_dma32(req, memattr); p = ttm_vm_page_alloc_dma32(req, memattr);
else else
p = ttm_vm_page_alloc_any(req, memattr); p = ttm_vm_page_alloc_any(req, memattr);
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