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drm: export drm_vm_open_locked

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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: 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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Arnd Bergmann 2013-04-25 19:28:52 +02:00 committed by Dave Airlie
parent a59e1ff3b8
commit d502899580
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/drm_vm.c
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@ -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)
{