drm: sti: fix module compilation issue

When compiling in module some symbol aren't missing,
export them correctly.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/sti/sti_drm_plane.c b/drivers/gpu/drm/sti/sti_drm_plane.c
index c9dd0e57cac1..bb6a29339e10 100644
--- a/drivers/gpu/drm/sti/sti_drm_plane.c
+++ b/drivers/gpu/drm/sti/sti_drm_plane.c
@@ -194,3 +194,4 @@ struct drm_plane *sti_drm_plane_init(struct drm_device *dev,
 
         return &layer->plane;
 }
+EXPORT_SYMBOL(sti_drm_plane_init);
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
index 200d02014575..f3db05dab0ab 100644
--- a/drivers/gpu/drm/sti/sti_hqvdp.c
+++ b/drivers/gpu/drm/sti/sti_hqvdp.c
@@ -816,6 +816,7 @@ struct sti_layer *sti_hqvdp_create(struct device *dev)
 
         return &hqvdp->layer;
 }
+EXPORT_SYMBOL(sti_hqvdp_create);
 
 static void sti_hqvdp_init_plugs(struct sti_hqvdp *hqvdp)
 {
diff --git a/drivers/gpu/drm/sti/sti_layer.c b/drivers/gpu/drm/sti/sti_layer.c
index 480ec1c974e2..899104f9d4bc 100644
--- a/drivers/gpu/drm/sti/sti_layer.c
+++ b/drivers/gpu/drm/sti/sti_layer.c
@@ -40,6 +40,7 @@ const char *sti_layer_to_str(struct sti_layer *layer)
                 return "<UNKNOWN LAYER>";
         }
 }
+EXPORT_SYMBOL(sti_layer_to_str);
 
 struct sti_layer *sti_layer_create(struct device *dev, int desc,
                                    void __iomem *baseaddr)
@@ -77,6 +78,7 @@ struct sti_layer *sti_layer_create(struct device *dev, int desc,
 
         return layer;
 }
+EXPORT_SYMBOL(sti_layer_create);
 
 int sti_layer_prepare(struct sti_layer *layer,
                       struct drm_crtc *crtc,