[PATCH] drm: include <drm/drm_fb_cma_helper.h> for missing declarations

[Ben Dooks]

Include <drm/drm_fb_cma_helper.h> to get the definitions of
drm_fb_cma_get_gem_{addr,obj} functions to fix the following
sparse warnings:

drivers/gpu/drm/drm_fb_cma_helper.c:38:27: warning: symbol 'drm_fb_cma_get_gem_obj' was not declared. Should it be static?
drivers/gpu/drm/drm_fb_cma_helper.c:62:12: warning: symbol 'drm_fb_cma_get_gem_addr' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Maxime Ripard <mripard@xxxxxxxxxx>
Cc: Sean Paul <sean@xxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 drivers/gpu/drm/drm_fb_cma_helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
index c0b0f603af63..f4967cf14f99 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -11,6 +11,7 @@
 
 #include <drm/drm_fourcc.h>
 #include <drm/drm_framebuffer.h>
+#include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane.h>
-- 
2.23.0