drm/msm: remove the drm_device_is_unplugged check

This flag is only used for drm/udl.

Signed-off-by: Haixia Shi <[email protected]>
Reviewed-by: Stéphane Marchesin <[email protected]>
Reviewed-by: David Herrmann <[email protected]>
Acked-by: Rob Clark <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: hshi-chromium

drivers/gpu/drm/msm/msm_fbdev.c

@@ -65,9 +65,6 @@ static int msm_fbdev_mmap(struct fb_info *info, struct vm_area_struct *vma)
 	struct drm_device *dev = helper->dev;
 	int ret = 0;
 
-	if (drm_device_is_unplugged(dev))
-		return -ENODEV;
-
 	ret = drm_gem_mmap_obj(drm_obj, drm_obj->size, vma);
 	if (ret) {
 		pr_err("%s:drm_gem_mmap_obj fail\n", __func__);