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path: root/drivers/gpu/drm/drm_fops.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
-rw-r--r--drivers/gpu/drm/drm_fops.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 3299175da6ac..955f32cbce53 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -112,45 +112,6 @@ err_undo:
112EXPORT_SYMBOL(drm_open); 112EXPORT_SYMBOL(drm_open);
113 113
114/** 114/**
115 * File \c open operation.
116 *
117 * \param inode device inode.
118 * \param filp file pointer.
119 *
120 * Puts the dev->fops corresponding to the device minor number into
121 * \p filp, call the \c open method, and restore the file operations.
122 */
123int drm_stub_open(struct inode *inode, struct file *filp)
124{
125 struct drm_device *dev;
126 struct drm_minor *minor;
127 int err = -ENODEV;
128 const struct file_operations *new_fops;
129
130 DRM_DEBUG("\n");
131
132 mutex_lock(&drm_global_mutex);
133 minor = drm_minor_acquire(iminor(inode));
134 if (IS_ERR(minor))
135 goto out_unlock;
136
137 dev = minor->dev;
138 new_fops = fops_get(dev->driver->fops);
139 if (!new_fops)
140 goto out_release;
141
142 replace_fops(filp, new_fops);
143 if (filp->f_op->open)
144 err = filp->f_op->open(inode, filp);
145
146out_release:
147 drm_minor_release(minor);
148out_unlock:
149 mutex_unlock(&drm_global_mutex);
150 return err;
151}
152
153/**
154 * Check whether DRI will run on this CPU. 115 * Check whether DRI will run on this CPU.
155 * 116 *
156 * \return non-zero if the DRI will run on this CPU, or zero otherwise. 117 * \return non-zero if the DRI will run on this CPU, or zero otherwise.