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drm/legacy: move init/destroy of struct members into legacy file 

This introduces drm_legacy_misc.c as a place for some misc legacy code,
eventually I want to give the option to remove this from the build.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
hifive-unleashed-5.2
Dave Airlie 2019-04-23 09:47:27 +10:00
parent fabb0e2a25
commit 8437dd73b3
4 changed files with 59 additions and 8 deletions
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2
drivers/gpu/drm/Makefile
View File

@ -19,7 +19,7 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \
drm_plane.o drm_color_mgmt.o drm_print.o \
drm_dumb_buffers.o drm_mode_config.o drm_vblank.o \
drm_syncobj.o drm_lease.o drm_writeback.o drm_client.o \
drm_atomic_uapi.o
drm_atomic_uapi.o drm_legacy_misc.o
drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o
drm-$(CONFIG_DRM_VM) += drm_vm.o

10
drivers/gpu/drm/drm_drv.c
View File

@ -659,20 +659,16 @@ int drm_dev_init(struct drm_device *dev,
/* no per-device feature limits by default */
dev->driver_features = ~0u;
drm_legacy_init_members(dev);
INIT_LIST_HEAD(&dev->filelist);
INIT_LIST_HEAD(&dev->filelist_internal);
INIT_LIST_HEAD(&dev->clientlist);
INIT_LIST_HEAD(&dev->ctxlist);
INIT_LIST_HEAD(&dev->vmalist);
INIT_LIST_HEAD(&dev->maplist);
INIT_LIST_HEAD(&dev->vblank_event_list);
spin_lock_init(&dev->buf_lock);
spin_lock_init(&dev->event_lock);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->filelist_mutex);
mutex_init(&dev->clientlist_mutex);
mutex_init(&dev->ctxlist_mutex);
mutex_init(&dev->master_mutex);
dev->anon_inode = drm_fs_inode_new();
@ -725,10 +721,10 @@ err_minors:
err_free:
put_device(dev->dev);
mutex_destroy(&dev->master_mutex);
mutex_destroy(&dev->ctxlist_mutex);
mutex_destroy(&dev->clientlist_mutex);
mutex_destroy(&dev->filelist_mutex);
mutex_destroy(&dev->struct_mutex);
drm_legacy_destroy_members(dev);
return ret;
}
EXPORT_SYMBOL(drm_dev_init);
@ -801,10 +797,10 @@ void drm_dev_fini(struct drm_device *dev)
put_device(dev->dev);
mutex_destroy(&dev->master_mutex);
mutex_destroy(&dev->ctxlist_mutex);
mutex_destroy(&dev->clientlist_mutex);
mutex_destroy(&dev->filelist_mutex);
mutex_destroy(&dev->struct_mutex);
drm_legacy_destroy_members(dev);
kfree(dev->unique);
}
EXPORT_SYMBOL(drm_dev_fini);

3
drivers/gpu/drm/drm_legacy.h
View File

@ -136,5 +136,8 @@ int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
int drm_legacy_sg_free(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void drm_legacy_init_members(struct drm_device *dev);
void drm_legacy_destroy_members(struct drm_device *dev);
void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
#endif /* __DRM_LEGACY_H__ */

52
drivers/gpu/drm/drm_legacy_misc.c 100644
View File

@ -0,0 +1,52 @@
/**
* \file drm_legacy_misc.c
* Misc legacy support functions.
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
* \author Gareth Hughes <gareth@valinux.com>
*/
/*
* Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* 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
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
*/
#include <drm/drmP.h>
#include "drm_internal.h"
#include "drm_legacy.h"
void drm_legacy_init_members(struct drm_device *dev)
{
INIT_LIST_HEAD(&dev->ctxlist);
INIT_LIST_HEAD(&dev->vmalist);
INIT_LIST_HEAD(&dev->maplist);
spin_lock_init(&dev->buf_lock);
mutex_init(&dev->ctxlist_mutex);
}
void drm_legacy_destroy_members(struct drm_device *dev)
{
mutex_destroy(&dev->ctxlist_mutex);
}