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AgeCommit message (Expand)Author
2008-08-19Merge branch 'modesetting-gem' of git+ssh://agd5f@git.freedesktop.org/git/mes...Alex Deucher
2008-08-19radeon: fix warning from radeon_legacy_state removalAlex Deucher
2008-08-19radeon: legacy lvds updatesAlex Deucher
2008-08-19nouveau: fifo and graphics engine suspend and resume for nv04-nv4xroot
2008-08-19radeon: oops set correct scratchDave Airlie
2008-08-18Change prototype of drmIoctl to unsigned long request.Coleman Kane
2008-08-17radeon: first pass at legacy dac detectAlex Deucher
2008-08-17radeon: first pass at bios scratch regsAlex Deucher
2008-08-17radeon: remove unused legacy stateAlex Deucher
2008-08-17radeon: get primary dac adj info from bios tablesAlex Deucher
2008-08-17nouveau: make it compile under 2.6.27Maarten Maathuis
2008-08-17linux: on_each_cpu has 3 args on 2.6.27Maarten Maathuis
2008-08-16i915: finish removing TTM bitsJesse Barnes
2008-08-16Merge branch 'modesetting-gem' of ssh://git.freedesktop.org/git/mesa/drm into...Jesse Barnes
2008-08-16i915: set domain properly on fb mapping, flush out changesJesse Barnes
2008-08-15radeon: reserve 64k of VRAM for now for text mode so we don't trample itDave Airlie
2008-08-15radeon: fix LVDS modes problemDave Airlie
2008-08-14radeon: add support for memory map initDave Airlie
2008-08-14radeon: add copy/solid regs for rn50Dave Airlie
2008-08-13i915: update cursor handling to use GEM objectsJesse Barnes
2008-08-14i915: fixup from last merge hopefullyDave Airlie
2008-08-14Merge branch 'radeon-gem-cs' into modesetting-gemDave Airlie
2008-08-14Add com bios asic init bitsAlex Deucher
2008-08-14Fill in and make use of more com bios tables on legacy chipsAlex Deucher
2008-08-14Add additional quirks from ddxAlex Deucher
2008-08-14Fix warningsAlex Deucher
2008-08-14Get legacy working finallyAlex Deucher
2008-08-14set base in legacy crtc mode setAlex Deucher
2008-08-14Convert COM BIOS to table offset lookup functionAlex Deucher
2008-08-14Restructure cursor handling and add support for legacy cursorsAlex Deucher
2008-08-14atom: implement crtc lockAlex Deucher
2008-08-14LUT updatesAlex Deucher
2008-08-14various cleanupsAlex Deucher
2008-08-14Add legacy dac detect stubsAlex Deucher
2008-08-14unify connector, i2c handling for atom and legacyAlex Deucher
2008-08-14Brute force port of legacy crtc/encoder codeAlex Deucher
2008-08-14on_each_cpu() compat fixup from krhAlex Deucher
2008-08-14radeon: fix kernel_mm properlyDave Airlie
2008-08-14radeon: FEDORA: patch to make 3D driver workDave Airlie
2008-08-14radeon: remove debuggingDave Airlie
2008-08-14radeon: use mm_enabled variable to denote memory manager runningDave Airlie
2008-08-14radeon: make buffer swap for older drivers work again on GEMDave Airlie
2008-08-14radeon: add userspace call for mm support checkDave Airlie
2008-08-14radeon: FEDORA: add old DMA buffers on top of GEMDave Airlie
2008-08-13i915: setup hardware status page if physical addrs are requiredJesse Barnes
2008-08-13Merge branch 'modesetting-101' into modesetting-gemJesse Barnes
2008-08-13Merge branch 'master' into modesetting-gemJesse Barnes
2008-08-13Don't call the vblank tasklet with irqs disabled.Thomas Hellstrom
2008-08-12[intel_bufmgr_gem] Fix flink buffer name caching (#17085, #17092).Kristian Høgsberg
2008-08-12Add error checking to framebuffer creationJesse Barnes
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-05 03:25:27 +0000
ECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ /* * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> */ #include "drmP.h" int drm_add_user_object(struct drm_file *priv, struct drm_user_object *item, int shareable) { struct drm_device *dev = priv->head->dev; int ret; DRM_ASSERT_LOCKED(&dev->struct_mutex); /* The refcount will be bumped to 1 when we add the ref object below. */ atomic_set(&item->refcount, 0); item->shareable = shareable; item->owner = priv; ret = drm_ht_just_insert_please(&dev->object_hash, &item->hash, (unsigned long)item, 31, 0, 0); if (ret) return ret; ret = drm_add_ref_object(priv, item, _DRM_REF_USE); if (ret) ret = drm_ht_remove_item(&dev->object_hash, &item->hash); return ret; } EXPORT_SYMBOL(drm_add_user_object); struct drm_user_object *drm_lookup_user_object(struct drm_file *priv, uint32_t key) { struct drm_device *dev = priv->head->dev; struct drm_hash_item *hash; int ret; struct drm_user_object *item; DRM_ASSERT_LOCKED(&dev->struct_mutex); ret = drm_ht_find_item(&dev->object_hash, key, &hash); if (ret) return NULL; item = drm_hash_entry(hash, struct drm_user_object, hash); if (priv != item->owner) { struct drm_open_hash *ht = &priv->refd_object_hash[_DRM_REF_USE]; ret = drm_ht_find_item(ht, (unsigned long)item, &hash); if (ret) { DRM_ERROR("Object not registered for usage\n"); return NULL; } } return item; } EXPORT_SYMBOL(drm_lookup_user_object); static void drm_deref_user_object(struct drm_file *priv, struct drm_user_object *item) { struct drm_device *dev = priv->head->dev; int ret; if (atomic_dec_and_test(&item->refcount)) { ret = drm_ht_remove_item(&dev->object_hash, &item->hash); BUG_ON(ret); item->remove(priv, item); } } static int drm_object_ref_action(struct drm_file *priv, struct drm_user_object *ro, enum drm_ref_type action) { int ret = 0; switch (action) { case _DRM_REF_USE: atomic_inc(&ro->refcount); break; default: if (!ro->ref_struct_locked) { break; } else { ro->ref_struct_locked(priv, ro, action); } } return ret; } int drm_add_ref_object(struct drm_file *priv, struct drm_user_object *referenced_object, enum drm_ref_type ref_action) { int ret = 0; struct drm_ref_object *item; struct drm_open_hash *ht = &priv->refd_object_hash[ref_action]; DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); if (!referenced_object->shareable && priv != referenced_object->owner) { DRM_ERROR("Not allowed to reference this object\n"); return -EINVAL; } /* * If this is not a usage reference, Check that usage has been registered * first. Otherwise strange things may happen on destruction. */ if ((ref_action != _DRM_REF_USE) && priv != referenced_object->owner) { item = drm_lookup_ref_object(priv, referenced_object, _DRM_REF_USE); if (!item) { DRM_ERROR ("Object not registered for usage by this client\n"); return -EINVAL; } } if (NULL != (item = drm_lookup_ref_object(priv, referenced_object, ref_action))) { atomic_inc(&item->refcount); return drm_object_ref_action(priv, referenced_object, ref_action); } item = drm_ctl_calloc(1, sizeof(*item), DRM_MEM_OBJECTS); if (item == NULL) { DRM_ERROR("Could not allocate reference object\n"); return -ENOMEM; } atomic_set(&item->refcount, 1); item->hash.key = (unsigned long)referenced_object; ret = drm_ht_insert_item(ht, &item->hash); item->unref_action = ref_action; if (ret) goto out; list_add(&item->list, &priv->refd_objects); ret = drm_object_ref_action(priv, referenced_object, ref_action); out: return ret; } struct drm_ref_object *drm_lookup_ref_object(struct drm_file *priv, struct drm_user_object *referenced_object, enum drm_ref_type ref_action) { struct drm_hash_item *hash; int ret; DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); ret = drm_ht_find_item(&priv->refd_object_hash[ref_action], (unsigned long)referenced_object, &hash); if (ret) return NULL; return drm_hash_entry(hash, struct drm_ref_object, hash); } EXPORT_SYMBOL(drm_lookup_ref_object); static void drm_remove_other_references(struct drm_file *priv, struct drm_user_object *ro) { int i; struct drm_open_hash *ht; struct drm_hash_item *hash; struct drm_ref_object *item; for (i = _DRM_REF_USE + 1; i < _DRM_NO_REF_TYPES; ++i) { ht = &priv->refd_object_hash[i]; while (!drm_ht_find_item(ht, (unsigned long)ro, &hash)) { item = drm_hash_entry(hash, struct drm_ref_object, hash); drm_remove_ref_object(priv, item); } } } void drm_remove_ref_object(struct drm_file *priv, struct drm_ref_object *item) { int ret; struct drm_user_object *user_object = (struct drm_user_object *) item->hash.key; struct drm_open_hash *ht = &priv->refd_object_hash[item->unref_action]; enum drm_ref_type unref_action; DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); unref_action = item->unref_action; if (atomic_dec_and_test(&item->refcount)) { ret = drm_ht_remove_item(ht, &item->hash); BUG_ON(ret); list_del_init(&item->list); if (unref_action == _DRM_REF_USE) drm_remove_other_references(priv, user_object); drm_ctl_free(item, sizeof(*item), DRM_MEM_OBJECTS); } switch (unref_action) { case _DRM_REF_USE: drm_deref_user_object(priv, user_object); break; default: BUG_ON(!user_object->unref); user_object->unref(priv, user_object, unref_action); break; } } EXPORT_SYMBOL(drm_remove_ref_object); int drm_user_object_ref(struct drm_file *priv, uint32_t user_token, enum drm_object_type type, struct drm_user_object **object) { struct drm_device *dev = priv->head->dev; struct drm_user_object *uo; struct drm_hash_item *hash; int ret; mutex_lock(&dev->struct_mutex); ret = drm_ht_find_item(&dev->object_hash, user_token, &hash); if (ret) { DRM_ERROR("Could not find user object to reference.\n"); goto out_err; } uo = drm_hash_entry(hash, struct drm_user_object, hash); if (uo->type != type) { ret = -EINVAL; goto out_err; } ret = drm_add_ref_object(priv, uo, _DRM_REF_USE); if (ret) goto out_err; mutex_unlock(&dev->struct_mutex); *object = uo;