diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 5db07fc287ad..28c1a81f7e7f 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -217,31 +217,6 @@ static pgprot_t msm_gem_pgprot(struct msm_gem_object *msm_obj, pgprot_t prot) return prot; } -int msm_gem_mmap_obj(struct drm_gem_object *obj, - struct vm_area_struct *vma) -{ - struct msm_gem_object *msm_obj = to_msm_bo(obj); - - vma->vm_flags &= ~VM_PFNMAP; - vma->vm_flags |= VM_MIXEDMAP; - vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags)); - - return 0; -} - -int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma) -{ - int ret; - - ret = drm_gem_mmap(filp, vma); - if (ret) { - DBG("mmap failed: %d", ret); - return ret; - } - - return msm_gem_mmap_obj(vma->vm_private_data, vma); -} - static vm_fault_t msm_gem_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; @@ -1077,6 +1052,17 @@ void msm_gem_free_object(struct drm_gem_object *obj) kfree(msm_obj); } +static int msm_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + + vma->vm_flags &= ~VM_PFNMAP; + vma->vm_flags |= VM_MIXEDMAP | VM_DONTEXPAND; + vma->vm_page_prot = msm_gem_pgprot(msm_obj, vm_get_page_prot(vma->vm_flags)); + + return 0; +} + /* convenience method to construct a GEM buffer object, and userspace handle */ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, uint32_t size, uint32_t flags, uint32_t *handle, @@ -1114,6 +1100,7 @@ static const struct drm_gem_object_funcs msm_gem_object_funcs = { .get_sg_table = msm_gem_prime_get_sg_table, .vmap = msm_gem_prime_vmap, .vunmap = msm_gem_prime_vunmap, + .mmap = msm_gem_object_mmap, .vm_ops = &vm_ops, }; |