[PATCH 2/4] drm/armada: Hide fbdev support behind config option

[Thomas Zimmermann]

Only build armada's fbdev emulation if CONFIG_DRM_FBDEV_EMULATION
has been enabled. No functional changes, but allows to build armada
without fbdev.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/armada/Makefile     |  3 ++-
 drivers/gpu/drm/armada/armada_drm.h | 14 ++++++++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/armada/Makefile b/drivers/gpu/drm/armada/Makefile
index 9bc3c3213724..dc75a7db9ed3 100644
--- a/drivers/gpu/drm/armada/Makefile
+++ b/drivers/gpu/drm/armada/Makefile
@@ -1,7 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
-armada-y	:= armada_crtc.o armada_drv.o armada_fb.o armada_fbdev.o \
+armada-y	:= armada_crtc.o armada_drv.o armada_fb.o \
 		   armada_gem.o armada_overlay.o armada_plane.o armada_trace.o
 armada-y	+= armada_510.o
 armada-$(CONFIG_DEBUG_FS) += armada_debugfs.o
+armada-$(CONFIG_DRM_FBDEV_EMULATION) += armada_fbdev.o
 
 obj-$(CONFIG_DRM_ARMADA) := armada.o
diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h
index 6a5a87932576..1475146b1c47 100644
--- a/drivers/gpu/drm/armada/armada_drm.h
+++ b/drivers/gpu/drm/armada/armada_drm.h
@@ -75,8 +75,18 @@ struct armada_private {
 
 #define drm_to_armada_dev(dev) container_of(dev, struct armada_private, drm)
 
-int armada_fbdev_init(struct drm_device *);
-void armada_fbdev_fini(struct drm_device *);
+#if defined(CONFIG_DRM_FBDEV_EMULATION)
+int armada_fbdev_init(struct drm_device *dev);
+void armada_fbdev_fini(struct drm_device *dev);
+#else
+static inline int armada_fbdev_init(struct drm_device *dev)
+{
+	return 0;
+}
+
+static inline void armada_fbdev_fini(struct drm_device *dev)
+{ }
+#endif
 
 int armada_overlay_plane_create(struct drm_device *, unsigned long);
 
-- 
2.40.0