diff options
Diffstat (limited to 'drivers/gpu/drm/xen')
| -rw-r--r-- | drivers/gpu/drm/xen/xen_drm_front_gem.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/xen/xen_drm_front_gem.h | 6 |
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c index 4f34ef34ba60..74db5a840bed 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.c +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c @@ -290,22 +290,28 @@ int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma) return gem_mmap_obj(xen_obj, vma); } -void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj) +int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj, struct dma_buf_map *map) { struct xen_gem_object *xen_obj = to_xen_gem_obj(gem_obj); + void *vaddr; if (!xen_obj->pages) - return NULL; + return -ENOMEM; /* Please see comment in gem_mmap_obj on mapping and attributes. */ - return vmap(xen_obj->pages, xen_obj->num_pages, - VM_MAP, PAGE_KERNEL); + vaddr = vmap(xen_obj->pages, xen_obj->num_pages, + VM_MAP, PAGE_KERNEL); + if (!vaddr) + return -ENOMEM; + dma_buf_map_set_vaddr(map, vaddr); + + return 0; } void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, - void *vaddr) + struct dma_buf_map *map) { - vunmap(vaddr); + vunmap(map->vaddr); } int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj, diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.h b/drivers/gpu/drm/xen/xen_drm_front_gem.h index a39675fa31b2..a4e67d0a149c 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.h +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.h @@ -12,6 +12,7 @@ #define __XEN_DRM_FRONT_GEM_H struct dma_buf_attachment; +struct dma_buf_map; struct drm_device; struct drm_gem_object; struct file; @@ -34,10 +35,11 @@ void xen_drm_front_gem_free_object_unlocked(struct drm_gem_object *gem_obj); int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma); -void *xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj); +int xen_drm_front_gem_prime_vmap(struct drm_gem_object *gem_obj, + struct dma_buf_map *map); void xen_drm_front_gem_prime_vunmap(struct drm_gem_object *gem_obj, - void *vaddr); + struct dma_buf_map *map); int xen_drm_front_gem_prime_mmap(struct drm_gem_object *gem_obj, struct vm_area_struct *vma); |