drm: add _DRM_CONSISTENT map type

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / char / drm / drm_vm.c

diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index 621220f3f37207492ed8bfccdcef7d5e94cc0fda..644ec9dadc0549ffbbd7df7a33f57eca78c135cd 100644 (file)
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -228,6 +228,10 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
                        case _DRM_AGP:
                        case _DRM_SCATTER_GATHER:
                                break;
+                       case _DRM_CONSISTENT:
+                               drm_pci_free(dev, map->size, map->handle,
+                                            map->offset);
+                               break;
                        }
                        drm_free(map, sizeof(*map), DRM_MEM_MAPS);
                }
@@ -645,6 +649,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
                vma->vm_ops = &drm_vm_ops;
                break;
        case _DRM_SHM:
+       case _DRM_CONSISTENT:
+               /* Consistent memory is really like shared memory. It's only
+                * allocate in a different way */
                vma->vm_ops = &drm_vm_shm_ops;
                vma->vm_private_data = (void *)map;
                                /* Don't let this area swap.  Change when