diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 591c47a654e8..2668941df529 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -174,20 +174,35 @@ struct msm_drm_private { struct msm_rd_state *hangrd; /* debugfs to dump hanging submits */ struct msm_perf_state *perf; - /* - * Lists of inactive GEM objects. Every bo is either in one of the + /** + * List of all GEM objects (mainly for debugfs, protected by obj_lock + * (acquire before per GEM object lock) + */ + struct list_head objects; + struct mutex obj_lock; + + /** + * LRUs of inactive GEM objects. Every bo is either in one of the * inactive lists (depending on whether or not it is shrinkable) or - * gpu->active_list (for the gpu it is active on[1]) + * gpu->active_list (for the gpu it is active on[1]), or transiently + * on a temporary list as the shrinker is running. + * + * Note that inactive_willneed also contains pinned and vmap'd bos, + * but the number of pinned-but-not-active objects is small (scanout + * buffers, ringbuffer, etc). * - * These lists are protected by mm_lock. If struct_mutex is involved, it - * should be aquired prior to mm_lock. One should *not* hold mm_lock in + * These lists are protected by mm_lock (which should be acquired + * before per GEM object lock). One should *not* hold mm_lock in * get_pages()/vmap()/etc paths, as they can trigger the shrinker. * * [1] if someone ever added support for the old 2d cores, there could be * more than one gpu object */ - struct list_head inactive_willneed; /* inactive + !shrinkable */ - struct list_head inactive_dontneed; /* inactive + shrinkable */ + struct list_head inactive_willneed; /* inactive + potentially unpin/evictable */ + struct list_head inactive_dontneed; /* inactive + shrinkable */ + struct list_head inactive_unpinned; /* inactive + purged or unpinned */ + long shrinkable_count; /* write access under mm_lock */ + long evictable_count; /* write access under mm_lock */ struct mutex mm_lock; struct workqueue_struct *wq; |