Lines Matching refs:exec
24 * struct drm_exec exec;
28 * drm_exec_init(&exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
29 * drm_exec_until_all_locked(&exec) {
30 * ret = drm_exec_prepare_obj(&exec, boA, 1);
31 * drm_exec_retry_on_contention(&exec);
35 * ret = drm_exec_prepare_obj(&exec, boB, 1);
36 * drm_exec_retry_on_contention(&exec);
41 * drm_exec_for_each_locked_object(&exec, index, obj) {
45 * drm_exec_fini(&exec);
54 static void drm_exec_unlock_all(struct drm_exec *exec)
59 drm_exec_for_each_locked_object_reverse(exec, index, obj) {
64 drm_gem_object_put(exec->prelocked);
65 exec->prelocked = NULL;
70 * @exec: the drm_exec object to initialize
75 void drm_exec_init(struct drm_exec *exec, uint32_t flags)
77 exec->flags = flags;
78 exec->objects = kmalloc(PAGE_SIZE, GFP_KERNEL);
81 exec->max_objects = exec->objects ? PAGE_SIZE / sizeof(void *) : 0;
82 exec->num_objects = 0;
83 exec->contended = DRM_EXEC_DUMMY;
84 exec->prelocked = NULL;
90 * @exec: the drm_exec object to finalize
95 void drm_exec_fini(struct drm_exec *exec)
97 drm_exec_unlock_all(exec);
98 kvfree(exec->objects);
99 if (exec->contended != DRM_EXEC_DUMMY) {
100 drm_gem_object_put(exec->contended);
101 ww_acquire_fini(&exec->ticket);
108 * @exec: the drm_exec object to cleanup
114 bool drm_exec_cleanup(struct drm_exec *exec)
116 if (likely(!exec->contended)) {
117 ww_acquire_done(&exec->ticket);
121 if (likely(exec->contended == DRM_EXEC_DUMMY)) {
122 exec->contended = NULL;
123 ww_acquire_init(&exec->ticket, &reservation_ww_class);
127 drm_exec_unlock_all(exec);
128 exec->num_objects = 0;
134 static int drm_exec_obj_locked(struct drm_exec *exec,
137 if (unlikely(exec->num_objects == exec->max_objects)) {
138 size_t size = exec->max_objects * sizeof(void *);
141 tmp = kvrealloc(exec->objects, size, size + PAGE_SIZE,
146 exec->objects = tmp;
147 exec->max_objects += PAGE_SIZE / sizeof(void *);
150 exec->objects[exec->num_objects++] = obj;
156 static int drm_exec_lock_contended(struct drm_exec *exec)
158 struct drm_gem_object *obj = exec->contended;
165 exec->contended = NULL;
166 if (exec->flags & DRM_EXEC_INTERRUPTIBLE_WAIT) {
168 &exec->ticket);
172 dma_resv_lock_slow(obj->resv, &exec->ticket);
175 ret = drm_exec_obj_locked(exec, obj);
179 exec->prelocked = obj;
192 * @exec: the drm_exec object with the state
201 int drm_exec_lock_obj(struct drm_exec *exec, struct drm_gem_object *obj)
205 ret = drm_exec_lock_contended(exec);
209 if (exec->prelocked == obj) {
210 drm_gem_object_put(exec->prelocked);
211 exec->prelocked = NULL;
215 if (exec->flags & DRM_EXEC_INTERRUPTIBLE_WAIT)
216 ret = dma_resv_lock_interruptible(obj->resv, &exec->ticket);
218 ret = dma_resv_lock(obj->resv, &exec->ticket);
222 exec->contended = obj;
227 exec->flags & DRM_EXEC_IGNORE_DUPLICATES)
233 ret = drm_exec_obj_locked(exec, obj);
246 * drm_exec_unlock_obj - unlock a GEM object in this exec context
247 * @exec: the drm_exec object with the state
254 void drm_exec_unlock_obj(struct drm_exec *exec, struct drm_gem_object *obj)
258 for (i = exec->num_objects; i--;) {
259 if (exec->objects[i] == obj) {
261 for (++i; i < exec->num_objects; ++i)
262 exec->objects[i - 1] = exec->objects[i];
263 --exec->num_objects;
274 * @exec: the drm_exec object with the state
283 int drm_exec_prepare_obj(struct drm_exec *exec, struct drm_gem_object *obj,
288 ret = drm_exec_lock_obj(exec, obj);
294 drm_exec_unlock_obj(exec, obj);
304 * @exec: the drm_exec object with the state
315 int drm_exec_prepare_array(struct drm_exec *exec,
323 ret = drm_exec_prepare_obj(exec, objects[i], num_fences);