diff options
| author | Jonathan Gray <jsg@jsg.id.au> | 2013-03-04 19:55:05 +1100 |
|---|---|---|
| committer | Jonathan Gray <jsg@jsg.id.au> | 2013-03-04 19:55:05 +1100 |
| commit | a3c6182aae263beaddc96b6bff66779e25fbf655 (patch) | |
| tree | 7be537538fe90f5bd9381ac034736bed69836557 /sys/dev | |
| parent | 6390f59468cfa465f83be1e2bdb5548a436d4cf8 (diff) | |
handle framebuffer refcount
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/drm/drm_crtc.c | 16 | ||||
| -rw-r--r-- | sys/dev/pci/drm/drm_crtc.h | 2 |
2 files changed, 7 insertions, 11 deletions
diff --git a/sys/dev/pci/drm/drm_crtc.c b/sys/dev/pci/drm/drm_crtc.c index e8e7c30ffee..21d6799ca4f 100644 --- a/sys/dev/pci/drm/drm_crtc.c +++ b/sys/dev/pci/drm/drm_crtc.c @@ -77,6 +77,7 @@ int drm_mode_crtc_set_obj_prop(struct drm_mode_object *, struct drm_property *, uint64_t); int drm_mode_plane_set_obj_prop(struct drm_mode_object *, struct drm_property *, uint64_t); +void drm_framebuffer_free(struct drm_framebuffer *); SPLAY_PROTOTYPE(drm_mode_tree, drm_mode_handle, entry, drm_mode_handle_cmp); @@ -342,7 +343,7 @@ drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, { int ret; -// kref_init(&fb->refcount); + fb->refcount = 0; ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); if (ret) @@ -357,15 +358,11 @@ drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, } EXPORT_SYMBOL(drm_framebuffer_init); -#ifdef notyet void -drm_framebuffer_free(struct kref *kref) +drm_framebuffer_free(struct drm_framebuffer *fb) { - struct drm_framebuffer *fb = - container_of(kref, struct drm_framebuffer, refcount); fb->funcs->destroy(fb); } -#endif /** * drm_framebuffer_unreference - unref a framebuffer @@ -380,8 +377,9 @@ drm_framebuffer_unreference(struct drm_framebuffer *fb) DRM_DEBUG("FB ID: %d\n", fb->base.id); #ifdef notyet WARN_ON(!mutex_is_locked(&dev->mode_config.mutex)); - kref_put(&fb->refcount, drm_framebuffer_free); #endif + if (--fb->refcount == 0) + drm_framebuffer_free(fb); } EXPORT_SYMBOL(drm_framebuffer_unreference); @@ -392,9 +390,7 @@ void drm_framebuffer_reference(struct drm_framebuffer *fb) { DRM_DEBUG("FB ID: %d\n", fb->base.id); -#ifdef notyet - kref_get(&fb->refcount); -#endif + fb->refcount++; } EXPORT_SYMBOL(drm_framebuffer_reference); diff --git a/sys/dev/pci/drm/drm_crtc.h b/sys/dev/pci/drm/drm_crtc.h index d3bfc4fa015..9497db23b62 100644 --- a/sys/dev/pci/drm/drm_crtc.h +++ b/sys/dev/pci/drm/drm_crtc.h @@ -253,7 +253,7 @@ struct drm_framebuffer { * hold a ref to the fb even though it has already been removed from * userspace perspective. */ -// struct kref refcount; + int refcount; struct list_head head; struct drm_mode_object base; const struct drm_framebuffer_funcs *funcs; |