drm: add drm_fbdev_cma_get_helper

Add helper to get the drm_fb_helper struct of a CMA framebuffer
object (struct drm_fbdev_cma). This is useful to use other
fb_helper functions like drm_fb_helper_set_suspend.

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
index c19a62561183..1ee7bb9cbcde 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -369,6 +369,18 @@ err_free:
 EXPORT_SYMBOL_GPL(drm_fbdev_cma_init);
 
 /**
+ * drm_fbdev_cma_get_helper() - Get drm_fb_helper struct of a CMA framebuffer
+ * @fbdev_cma: drm_fbdev_cma struct
+ *
+ * Returns the assigned drm_fb_helper struct.
+ */
+struct drm_fb_helper *drm_fbdev_cma_get_helper(struct drm_fbdev_cma *fbdev_cma)
+{
+	return &fbdev_cma->fb_helper;
+}
+EXPORT_SYMBOL_GPL(drm_fbdev_cma_get_helper);
+
+/**
  * drm_fbdev_cma_fini() - Free drm_fbdev_cma struct
  * @fbdev_cma: The drm_fbdev_cma struct
  */