54 void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle)  in drm_legacy_ctxbitmap_free()  argument
56 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_ctxbitmap_free()
57 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_ctxbitmap_free()
60 	mutex_lock(&dev->struct_mutex);  in drm_legacy_ctxbitmap_free()
61 	idr_remove(&dev->ctx_idr, ctx_handle);  in drm_legacy_ctxbitmap_free()
62 	mutex_unlock(&dev->struct_mutex);  in drm_legacy_ctxbitmap_free()
74 static int drm_legacy_ctxbitmap_next(struct drm_device * dev)  in drm_legacy_ctxbitmap_next()  argument
78 	mutex_lock(&dev->struct_mutex);  in drm_legacy_ctxbitmap_next()
79 	ret = idr_alloc(&dev->ctx_idr, NULL, DRM_RESERVED_CONTEXTS, 0,  in drm_legacy_ctxbitmap_next()
81 	mutex_unlock(&dev->struct_mutex);  in drm_legacy_ctxbitmap_next()
92 void drm_legacy_ctxbitmap_init(struct drm_device * dev)  in drm_legacy_ctxbitmap_init()  argument
94 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_ctxbitmap_init()
95 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_ctxbitmap_init()
98 	idr_init(&dev->ctx_idr);  in drm_legacy_ctxbitmap_init()
109 void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev)  in drm_legacy_ctxbitmap_cleanup()  argument
111 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_ctxbitmap_cleanup()
112 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_ctxbitmap_cleanup()
115 	mutex_lock(&dev->struct_mutex);  in drm_legacy_ctxbitmap_cleanup()
116 	idr_destroy(&dev->ctx_idr);  in drm_legacy_ctxbitmap_cleanup()
117 	mutex_unlock(&dev->struct_mutex);  in drm_legacy_ctxbitmap_cleanup()
129 void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file)  in drm_legacy_ctxbitmap_flush()  argument
133 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_ctxbitmap_flush()
134 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_ctxbitmap_flush()
137 	mutex_lock(&dev->ctxlist_mutex);  in drm_legacy_ctxbitmap_flush()
139 	list_for_each_entry_safe(pos, tmp, &dev->ctxlist, head) {  in drm_legacy_ctxbitmap_flush()
142 			if (dev->driver->context_dtor)  in drm_legacy_ctxbitmap_flush()
143 				dev->driver->context_dtor(dev, pos->handle);  in drm_legacy_ctxbitmap_flush()
145 			drm_legacy_ctxbitmap_free(dev, pos->handle);  in drm_legacy_ctxbitmap_flush()
151 	mutex_unlock(&dev->ctxlist_mutex);  in drm_legacy_ctxbitmap_flush()
172 int drm_legacy_getsareactx(struct drm_device *dev, void *data,  in drm_legacy_getsareactx()  argument
179 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_getsareactx()
180 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_getsareactx()
183 	mutex_lock(&dev->struct_mutex);  in drm_legacy_getsareactx()
185 	map = idr_find(&dev->ctx_idr, request->ctx_id);  in drm_legacy_getsareactx()
187 		mutex_unlock(&dev->struct_mutex);  in drm_legacy_getsareactx()
192 	list_for_each_entry(_entry, &dev->maplist, head) {  in drm_legacy_getsareactx()
200 	mutex_unlock(&dev->struct_mutex);  in drm_legacy_getsareactx()
220 int drm_legacy_setsareactx(struct drm_device *dev, void *data,  in drm_legacy_setsareactx()  argument
227 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_setsareactx()
228 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_setsareactx()
231 	mutex_lock(&dev->struct_mutex);  in drm_legacy_setsareactx()
232 	list_for_each_entry(r_list, &dev->maplist, head) {  in drm_legacy_setsareactx()
238 	mutex_unlock(&dev->struct_mutex);  in drm_legacy_setsareactx()
246 	if (IS_ERR(idr_replace(&dev->ctx_idr, map, request->ctx_id)))  in drm_legacy_setsareactx()
249 	mutex_unlock(&dev->struct_mutex);  in drm_legacy_setsareactx()
270 static int drm_context_switch(struct drm_device * dev, int old, int new)  in drm_context_switch()  argument
272 	if (test_and_set_bit(0, &dev->context_flag)) {  in drm_context_switch()
279 	if (new == dev->last_context) {  in drm_context_switch()
280 		clear_bit(0, &dev->context_flag);  in drm_context_switch()
298 static int drm_context_switch_complete(struct drm_device *dev,  in drm_context_switch_complete()  argument
301 	dev->last_context = new;	/* PRE/POST: This is the _only_ writer. */  in drm_context_switch_complete()
310 	clear_bit(0, &dev->context_flag);  in drm_context_switch_complete()
324 int drm_legacy_resctx(struct drm_device *dev, void *data,  in drm_legacy_resctx()  argument
331 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_resctx()
332 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_resctx()
359 int drm_legacy_addctx(struct drm_device *dev, void *data,  in drm_legacy_addctx()  argument
365 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_addctx()
366 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_addctx()
369 	ctx->handle = drm_legacy_ctxbitmap_next(dev);  in drm_legacy_addctx()
372 		ctx->handle = drm_legacy_ctxbitmap_next(dev);  in drm_legacy_addctx()
391 	mutex_lock(&dev->ctxlist_mutex);  in drm_legacy_addctx()
392 	list_add(&ctx_entry->head, &dev->ctxlist);  in drm_legacy_addctx()
393 	mutex_unlock(&dev->ctxlist_mutex);  in drm_legacy_addctx()
407 int drm_legacy_getctx(struct drm_device *dev, void *data,  in drm_legacy_getctx()  argument
412 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_getctx()
413 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_getctx()
433 int drm_legacy_switchctx(struct drm_device *dev, void *data,  in drm_legacy_switchctx()  argument
438 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_switchctx()
439 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_switchctx()
443 	return drm_context_switch(dev, dev->last_context, ctx->handle);  in drm_legacy_switchctx()
457 int drm_legacy_newctx(struct drm_device *dev, void *data,  in drm_legacy_newctx()  argument
462 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_newctx()
463 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_newctx()
467 	drm_context_switch_complete(dev, file_priv, ctx->handle);  in drm_legacy_newctx()
483 int drm_legacy_rmctx(struct drm_device *dev, void *data,  in drm_legacy_rmctx()  argument
488 	if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT) &&  in drm_legacy_rmctx()
489 	    drm_core_check_feature(dev, DRIVER_MODESET))  in drm_legacy_rmctx()
494 		if (dev->driver->context_dtor)  in drm_legacy_rmctx()
495 			dev->driver->context_dtor(dev, ctx->handle);  in drm_legacy_rmctx()
496 		drm_legacy_ctxbitmap_free(dev, ctx->handle);  in drm_legacy_rmctx()
499 	mutex_lock(&dev->ctxlist_mutex);  in drm_legacy_rmctx()
500 	if (!list_empty(&dev->ctxlist)) {  in drm_legacy_rmctx()
503 		list_for_each_entry_safe(pos, n, &dev->ctxlist, head) {  in drm_legacy_rmctx()
510 	mutex_unlock(&dev->ctxlist_mutex);  in drm_legacy_rmctx()