diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drmP.h | 13 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 30 | ||||
| -rw-r--r-- | include/drm/drm_mm.h | 2 |
3 files changed, 44 insertions, 1 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index fad21c927a3..e74731c1a91 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -446,7 +446,15 @@ struct drm_file { int is_master; /* this file private is a master for a minor */ struct drm_master *master; /* master this node is currently associated with N.B. not always minor->master */ + + /** + * fbs - List of framebuffers associated with this file. + * + * Protected by fbs_lock. Note that the fbs list holds a reference on + * the fb object to prevent it from untimely disappearing. + */ struct list_head fbs; + struct mutex fbs_lock; wait_queue_head_t event_wait; struct list_head event_list; @@ -1276,6 +1284,11 @@ static inline int drm_device_is_unplugged(struct drm_device *dev) return ret; } +static inline bool drm_modeset_is_locked(struct drm_device *dev) +{ + return mutex_is_locked(&dev->mode_config.mutex); +} + /******************************************************************/ /** \name Internal function definitions */ /*@{*/ diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 00d78b5161c..66b2732f175 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -254,6 +254,10 @@ struct drm_framebuffer { * userspace perspective. */ struct kref refcount; + /* + * Place on the dev->mode_config.fb_list, access protected by + * dev->mode_config.fb_lock. + */ struct list_head head; struct drm_mode_object base; const struct drm_framebuffer_funcs *funcs; @@ -390,6 +394,15 @@ struct drm_crtc { struct drm_device *dev; struct list_head head; + /** + * crtc mutex + * + * This provides a read lock for the overall crtc state (mode, dpms + * state, ...) and a write lock for everything which can be update + * without a full modeset (fb, cursor data, ...) + */ + struct mutex mutex; + struct drm_mode_object base; /* framebuffer the connector is currently bound to */ @@ -771,8 +784,18 @@ struct drm_mode_config { struct mutex idr_mutex; /* for IDR management */ struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ /* this is limited to one for now */ + + + /** + * fb_lock - mutex to protect fb state + * + * Besides the global fb list his also protects the fbs list in the + * file_priv + */ + struct mutex fb_lock; int num_fb; struct list_head fb_list; + int num_connector; struct list_head connector_list; int num_encoder; @@ -842,6 +865,9 @@ struct drm_prop_enum_list { char *name; }; +extern void drm_modeset_lock_all(struct drm_device *dev); +extern void drm_modeset_unlock_all(struct drm_device *dev); + extern int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, const struct drm_crtc_funcs *funcs); @@ -932,10 +958,13 @@ extern void drm_framebuffer_set_object(struct drm_device *dev, extern int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, const struct drm_framebuffer_funcs *funcs); +extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, + uint32_t id); extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); extern void drm_framebuffer_reference(struct drm_framebuffer *fb); extern void drm_framebuffer_remove(struct drm_framebuffer *fb); extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); +extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb); extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); @@ -985,6 +1014,7 @@ extern int drm_mode_getcrtc(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mode_getconnector(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mode_set_config_internal(struct drm_mode_set *set); extern int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mode_getplane(struct drm_device *dev, diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index 9b991f91d81..88591ef8fa2 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -70,7 +70,7 @@ struct drm_mm { unsigned long scan_color; unsigned long scan_size; unsigned long scan_hit_start; - unsigned scan_hit_size; + unsigned long scan_hit_end; unsigned scanned_blocks; unsigned long scan_start; unsigned long scan_end; |