diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 04bc56cf4f1a..c3f102125083 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -166,6 +166,7 @@ struct nouveau_channel { struct drm_device *dev; int id; + atomic_t refcount; struct mutex mutex; /* owner of this fifo */ @@ -607,8 +608,10 @@ struct drm_nouveau_private { struct nouveau_bo *bo; } fence; - int fifo_alloc_count; - struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR]; + struct { + spinlock_t lock; + struct nouveau_channel *ptr[NOUVEAU_MAX_CHANNEL_NR]; + } channels; struct nouveau_engine engine; struct nouveau_channel *channel; @@ -721,16 +724,6 @@ nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) return 0; } -#define NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(id, cl, ch) do { \ - struct drm_nouveau_private *nv = dev->dev_private; \ - if (!nouveau_channel_owner(dev, (cl), (id))) { \ - NV_ERROR(dev, "pid %d doesn't own channel %d\n", \ - DRM_CURRENTPID, (id)); \ - return -EPERM; \ - } \ - (ch) = nv->fifos[(id)]; \ -} while (0) - /* nouveau_drv.c */ extern int nouveau_agpmode; extern int nouveau_duallink; @@ -805,13 +798,13 @@ extern int nouveau_ioctl_notifier_free(struct drm_device *, void *data, extern struct drm_ioctl_desc nouveau_ioctls[]; extern int nouveau_max_ioctl; extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *); -extern int nouveau_channel_owner(struct drm_device *, struct drm_file *, - int channel); extern int nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan, struct drm_file *file_priv, uint32_t fb_ctxdma, uint32_t tt_ctxdma); -extern void nouveau_channel_free(struct nouveau_channel *); +extern struct nouveau_channel * +nouveau_channel_get(struct drm_device *, struct drm_file *, int id); +extern void nouveau_channel_put(struct nouveau_channel **); /* nouveau_object.c */ extern int nouveau_gpuobj_early_init(struct drm_device *); |