diff options
Diffstat (limited to 'linux-core/drm_compat.c')
| -rw-r--r-- | linux-core/drm_compat.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c index c4ebc2fa..67baac5e 100644 --- a/linux-core/drm_compat.c +++ b/linux-core/drm_compat.c @@ -730,35 +730,6 @@ void *idr_replace(struct idr *idp, void *ptr, int id) EXPORT_SYMBOL(idr_replace); #endif -#if defined(DRM_KMAP_ATOMIC_PROT_PFN) -#define drm_kmap_get_fixmap_pte(vaddr) \ - pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), vaddr), (vaddr)), (vaddr)) - -void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, - pgprot_t protection) -{ - enum fixed_addresses idx; - unsigned long vaddr; - static pte_t *km_pte; - static int initialized = 0; - - if (unlikely(!initialized)) { - km_pte = drm_kmap_get_fixmap_pte(__fix_to_virt(FIX_KMAP_BEGIN)); - initialized = 1; - } - - pagefault_disable(); - idx = type + KM_TYPE_NR*smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - set_pte(km_pte-idx, pfn_pte(pfn, protection)); - - return (void*) vaddr; -} - -EXPORT_SYMBOL(kmap_atomic_prot_pfn); - -#endif - #ifdef DRM_FULL_MM_COMPAT #ifdef DRM_NO_FAULT unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma, |