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Commit 44af3f5c authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm: unexport drm_global_mutex 



Drivers really, really have no business even looking at this lock. And
thankfully they don't.

So unexport it and move the declaration to drm_internal.h.

Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 67d0ec4e

drivers/gpu/drm/drm_fops.c

+0 −1
Original line number Original line Diff line number Diff line
@@ -43,7 +43,6 @@ 




/* from BKL pushdown */

/* from BKL pushdown */

DEFINE_MUTEX(drm_global_mutex);

DEFINE_MUTEX(drm_global_mutex);

EXPORT_SYMBOL(drm_global_mutex);





static int drm_open_helper(struct file *filp, struct drm_minor *minor);

static int drm_open_helper(struct file *filp, struct drm_minor *minor);

drivers/gpu/drm/drm_internal.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -25,6 +25,7 @@ 
extern unsigned int drm_timestamp_monotonic;

extern unsigned int drm_timestamp_monotonic;





/* drm_fops.c */

/* drm_fops.c */

extern struct mutex drm_global_mutex;

int drm_lastclose(struct drm_device *dev);

int drm_lastclose(struct drm_device *dev);





/* drm_pci.c */

/* drm_pci.c */

drivers/gpu/drm/drm_lock.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -36,6 +36,7 @@ 
#include <linux/export.h>

#include <linux/export.h>

#include <drm/drmP.h>

#include <drm/drmP.h>

#include "drm_legacy.h"

#include "drm_legacy.h"

#include "drm_internal.h"





static int drm_notifier(void *priv);

static int drm_notifier(void *priv);

include/drm/drmP.h

+0 −1
Original line number Original line Diff line number Diff line
@@ -1087,7 +1087,6 @@ extern long drm_compat_ioctl(struct file *filp, 
extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags);

extern bool drm_ioctl_flags(unsigned int nr, unsigned int *flags);





				/* Device support (drm_fops.h) */

				/* Device support (drm_fops.h) */

extern struct mutex drm_global_mutex;

extern int drm_open(struct inode *inode, struct file *filp);

extern int drm_open(struct inode *inode, struct file *filp);

extern ssize_t drm_read(struct file *filp, char __user *buffer,

extern ssize_t drm_read(struct file *filp, char __user *buffer,

			size_t count, loff_t *offset);

			size_t count, loff_t *offset);