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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
This commit is contained in:
Rafael Antognolli 2016-01-21 15:10:18 -08:00 committed by Daniel Vetter
parent 382ab95d1a
commit 70412cfa6d
5 changed files with 60 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/Makefile
View File

@ -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

3
drivers/gpu/drm/drm_crtc_helper.c
View File

@ -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

9
drivers/gpu/drm/drm_fb_helper.c
View File

@ -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);

47
drivers/gpu/drm/drm_kms_helper_common.c Normal file
View File

@ -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);

6
include/drm/drm_fb_helper.h
View File

@ -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)