drm/nouveau: allocate structure to store per-client data
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 7e25f5a..76cd287 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -393,7 +393,9 @@
.firstopen = nouveau_firstopen,
.lastclose = nouveau_lastclose,
.unload = nouveau_unload,
+ .open = nouveau_open,
.preclose = nouveau_preclose,
+ .postclose = nouveau_postclose,
#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
.debugfs_init = nouveau_debugfs_init,
.debugfs_cleanup = nouveau_debugfs_takedown,
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 86eb3f4..a378a96 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -46,9 +46,15 @@
#include "ttm/ttm_module.h"
struct nouveau_fpriv {
- struct ttm_object_file *tfile;
+ spinlock_t lock;
};
+static inline struct nouveau_fpriv *
+nouveau_fpriv(struct drm_file *file_priv)
+{
+ return file_priv ? file_priv->driver_priv : NULL;
+}
+
#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
#include "nouveau_drm.h"
@@ -792,7 +798,9 @@
extern int nouveau_pci_resume(struct pci_dev *pdev);
/* nouveau_state.c */
+extern int nouveau_open(struct drm_device *, struct drm_file *);
extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
+extern void nouveau_postclose(struct drm_device *, struct drm_file *);
extern int nouveau_load(struct drm_device *, unsigned long flags);
extern int nouveau_firstopen(struct drm_device *);
extern void nouveau_lastclose(struct drm_device *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index a0e1734..9aa96b9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -764,6 +764,20 @@
vga_client_register(dev->pdev, NULL, NULL, NULL);
}
+int
+nouveau_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct nouveau_fpriv *fpriv;
+
+ fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
+ if (unlikely(!fpriv))
+ return -ENOMEM;
+
+ spin_lock_init(&fpriv->lock);
+ file_priv->driver_priv = fpriv;
+ return 0;
+}
+
/* here a client dies, release the stuff that was allocated for its
* file_priv */
void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
@@ -771,6 +785,13 @@
nouveau_channel_cleanup(dev, file_priv);
}
+void
+nouveau_postclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
+ kfree(fpriv);
+}
+
/* first module load, setup the mmio/fb mapping */
/* KMS: we need mmio at load time, not when the first drm client opens. */
int nouveau_firstopen(struct drm_device *dev)