The EXYNOS DRM driver uses drm_vm_open_locked in its mmap() function, and it can be built as a loadable module, which currently fails. This exports the symbol from the DRM core to avoid
ERROR: "drm_vm_open_locked" [drivers/gpu/drm/exynos/exynosdrm.ko] undefined!
Signed-off-by: Arnd Bergmann arnd@arndb.de Cc: David Airlie airlied@linux.ie Cc: dri-devel@lists.freedesktop.org Cc: Inki Dae inki.dae@samsung.com Cc: Joonyoung Shim jy0922.shim@samsung.com Cc: Seung-Woo Kim sw0312.kim@samsung.com Cc: Kyungmin Park kyungmin.park@samsung.com --- drivers/gpu/drm/drm_vm.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index db7bd29..1d4f7c9 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -422,6 +422,7 @@ void drm_vm_open_locked(struct drm_device *dev, list_add(&vma_entry->head, &dev->vmalist); } } +EXPORT_SYMBOL_GPL(drm_vm_open_locked);
static void drm_vm_open(struct vm_area_struct *vma) {