drm/tilcdc: 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: Jyri Sarha <jsarha@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Jyri Sarha <jsarha@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1502631125-13557-20-git-send-email-noralf@tronnes.org

drivers/gpu/drm/tilcdc/tilcdc_drv.c

@@ -23,6 +23,7 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 
 #include "tilcdc_drv.h"
 #include "tilcdc_regs.h"
@@ -65,7 +66,7 @@ static struct of_device_id tilcdc_of_match[];
 static struct drm_framebuffer *tilcdc_fb_create(struct drm_device *dev,
 		struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	return drm_fb_cma_create(dev, file_priv, mode_cmd);
+	return drm_gem_fb_create(dev, file_priv, mode_cmd);
 }
 
 static void tilcdc_fb_output_poll_changed(struct drm_device *dev)