drm/sti: Use drm_gem_fb_create()

drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Signed-off-by: NNoralf Trønnes <noralf@tronnes.org>
Acked-by: NVincent Abriou <vincent.abriou@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-17-git-send-email-noralf@tronnes.org

drivers/gpu/drm/sti/sti_drv.c

@@ -16,6 +16,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_of.h>
 
@@ -145,7 +146,7 @@ static void sti_output_poll_changed(struct drm_device *ddev)
 }
 
 static const struct drm_mode_config_funcs sti_mode_config_funcs = {
-	.fb_create = drm_fb_cma_create,
+	.fb_create = drm_gem_fb_create,
 	.output_poll_changed = sti_output_poll_changed,
 	.atomic_check = sti_atomic_check,
 	.atomic_commit = drm_atomic_helper_commit,