drm/kms_helper: Add a common place to call init and exit functions.

The module_init and module_exit functions will start here, and call the
subsequent init's and exit's.

v10:
 - Keep __init on drm_fb_helper init function.
 - Move MODULE_* macros to the common file.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1453417821-2811-2-git-send-email-rafael.antognolli@intel.com

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 61766dec6a8d3d7a4e9282b740161145818a51bc..f619ff4b22a224fcd3b44562e79e8d07dc055146 100644 (file)
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -22,7 +22,9 @@ drm-$(CONFIG_OF) += drm_of.o
 drm-$(CONFIG_AGP) += drm_agpsupport.o
 
 drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \
-               drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o
+               drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o \
+               drm_kms_helper_common.o
+
 drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
 drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o
 drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index df6a12de208bc5f997f4a31eabd7224a5591098e..e70d064693ee9a10807540a4a953f3495b8bca05 100644 (file)
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -73,9 +73,6 @@
  * &drm_crtc_helper_funcs, struct &drm_encoder_helper_funcs and struct
  * &drm_connector_helper_funcs.
  */
-MODULE_AUTHOR("David Airlie, Jesse Barnes");
-MODULE_DESCRIPTION("DRM KMS helper");
-MODULE_LICENSE("GPL and additional rights");
 
 /**
  * drm_helper_move_panel_connectors_to_head() - move panels to the front in the

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 76a364e620811d0f828eab3a1b1c939f95b6c9ba..46a2b1c55bd691a219c2a06281b8c234a7804c68 100644 (file)
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -2196,9 +2196,9 @@ EXPORT_SYMBOL(drm_fb_helper_hotplug_event);
  * but the module doesn't depend on any fb console symbols.  At least
  * attempt to load fbcon to avoid leaving the system without a usable console.
  */
-#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
-static int __init drm_fb_helper_modinit(void)
+int __init drm_fb_helper_modinit(void)
 {
+#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
        const char *name = "fbcon";
        struct module *fbcon;
 
@@ -2208,8 +2208,7 @@ static int __init drm_fb_helper_modinit(void)
 
        if (!fbcon)
                request_module_nowait(name);
+#endif
        return 0;
 }
-
-module_init(drm_fb_helper_modinit);
-#endif
+EXPORT_SYMBOL(drm_fb_helper_modinit);

diff --git a/drivers/gpu/drm/drm_kms_helper_common.c b/drivers/gpu/drm/drm_kms_helper_common.c
new file mode 100644 (file)
index 0000000..d361005
--- /dev/null
+++ b/drivers/gpu/drm/drm_kms_helper_common.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rafael Antognolli <rafael.antognolli@intel.com>
+ *
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_fb_helper.h>
+
+MODULE_AUTHOR("David Airlie, Jesse Barnes");
+MODULE_DESCRIPTION("DRM KMS helper");
+MODULE_LICENSE("GPL and additional rights");
+
+static int __init drm_kms_helper_init(void)
+{
+       /* Call init functions from specific kms helpers here */
+       return drm_fb_helper_modinit();
+}
+
+static void __exit drm_kms_helper_exit(void)
+{
+       /* Call exit functions from specific kms helpers here */
+}
+
+module_init(drm_kms_helper_init);
+module_exit(drm_kms_helper_exit);

diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index d8a40dff0d1d66d77c96618c39b0165a10df6457..062723bdcabea0462ba881820a10d9f20f7cafbe 100644 (file)
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -219,6 +219,7 @@ struct drm_fb_helper {
 };
 
 #ifdef CONFIG_DRM_FBDEV_EMULATION
+int drm_fb_helper_modinit(void);
 void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
                           const struct drm_fb_helper_funcs *funcs);
 int drm_fb_helper_init(struct drm_device *dev,
@@ -283,6 +284,11 @@ int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_
 int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
                                       struct drm_connector *connector);
 #else
+static inline int drm_fb_helper_modinit(void)
+{
+       return 0;
+}
+
 static inline void drm_fb_helper_prepare(struct drm_device *dev,
                                        struct drm_fb_helper *helper,
                                        const struct drm_fb_helper_funcs *funcs)