diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_vm.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 5a3e4b891377..ca7744b852f5 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -31,17 +31,12 @@ #define pr_fmt(fmt) "[TTM] " fmt -#include <drm/ttm/ttm_bo_driver.h> +#include <drm/ttm/ttm_bo.h> #include <drm/ttm/ttm_placement.h> -#include <drm/drm_vma_manager.h> +#include <drm/ttm/ttm_tt.h> + #include <drm/drm_drv.h> #include <drm/drm_managed.h> -#include <linux/mm.h> -#include <linux/pfn_t.h> -#include <linux/rbtree.h> -#include <linux/module.h> -#include <linux/uaccess.h> -#include <linux/mem_encrypt.h> static vm_fault_t ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, struct vm_fault *vmf) @@ -446,6 +441,14 @@ static const struct vm_operations_struct ttm_bo_vm_ops = { .access = ttm_bo_vm_access, }; +/** + * ttm_bo_mmap_obj - mmap memory backed by a ttm buffer object. + * + * @vma: vma as input from the fbdev mmap method. + * @bo: The bo backing the address space. + * + * Maps a buffer object. + */ int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo) { /* Enforce no COW since would have really strange behavior with it. */ @@ -468,8 +471,7 @@ int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo) vma->vm_private_data = bo; - vma->vm_flags |= VM_PFNMAP; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; + vm_flags_set(vma, VM_PFNMAP | VM_IO | VM_DONTEXPAND | VM_DONTDUMP); return 0; } EXPORT_SYMBOL(ttm_bo_mmap_obj); |