diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index c6167488758201b639d7b4a0a0d64aaeb8cf23ae..c909c935cfda29d228f19e6c0a844bdebb412fdc 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -1179,6 +1179,35 @@ void drm_gem_unpin(struct drm_gem_object *obj) obj->funcs->unpin(obj); } +int drm_gem_pin_unlocked(struct drm_gem_object *obj) +{ + int ret; + + if (!obj->funcs->pin) + return 0; + + ret = dma_resv_lock_interruptible(obj->resv, NULL); + if (ret) + return ret; + + ret = obj->funcs->pin(obj); + dma_resv_unlock(obj->resv); + + return ret; +} +EXPORT_SYMBOL(drm_gem_pin_unlocked); + +void drm_gem_unpin_unlocked(struct drm_gem_object *obj) +{ + if (!obj->funcs->unpin) + return; + + dma_resv_lock(obj->resv, NULL); + obj->funcs->unpin(obj); + dma_resv_unlock(obj->resv); +} +EXPORT_SYMBOL(drm_gem_unpin_unlocked); + int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map) { int ret; diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 0b427939f466e5e2a879c611d3c67202d6f1f69d..870d81e7a10415da311ad02eaab3284ac23b3200 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -413,4 +413,7 @@ int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, int drm_gem_vmap_unlocked(struct drm_gem_object *obj, struct iosys_map *map); void drm_gem_vunmap_unlocked(struct drm_gem_object *obj, struct iosys_map *map); +int drm_gem_pin_unlocked(struct drm_gem_object *obj); +void drm_gem_unpin_unlocked(struct drm_gem_object *obj); + #endif /* __DRM_GEM_H__ */