Dma-buf Objects: size flags mode count exp_name 00004096 00000000 00000005 00000001 exporter_dummy Attached Devices: Total 0 devices attached Total 1 objects, 4096 bytes 1 2 3 4 5 6 7 运行截图: 在实际运行的过程中,细心的小伙伴可能会发现,该 exporter_dummy.ko 只能被 insmod,无法被 rmmod。关于...
dma-buf由浅入深(一)——最简单的dma-buf驱动程序【转】dma-buf由浅⼊深(⼀)——最简单的dma-buf驱动程序【转】dma-buf 由浅⼊深(⼀) —— 最简单的 dma-buf 驱动程序 dma-buf 由浅⼊深(⼆) —— kmap / vmap dma-buf 由浅⼊深(三) —— map attachment dma-buf 由浅⼊...
1 Dma-buf Objects: size flags mode count exp_name 00004096 00000000 00000005 00000001 exporter_dummy Attached Devices: Total 0 devices attached Total 1 objects, 4096 bytes 1 2 3 4 5 6 7 运行截图: 在实际运行的过程中,细心的小伙伴可能会发现,该 exporter_dummy.ko 只能被 insmod,无法被 rmmod。...
This is the responsibility of each 70 * driver that uses the reservation objects. 71 * 72 * If you hit this BUG() it means someone dropped their ref to the 73 * dma-buf while still having pending operation to the buffer. 74 */ 75 BUG_ON(dmabuf->cb_shared.active || dmabuf->cb...
/* dma objects for display sync channel semaphore blocks */ for (i = 0; !ret && i < dev->mode_config.num_crtc; i++) { struct nouveau_bo *bo = nv50_display_crtc_sema(dev, i); + u32 start = bo->bo.mem.start * PAGE_SIZE; ...
Issue two is probably that wlroots is sending dmabuf-capture a frame containing 2 dmabuf objects with 2 layers, but libavutil can only import single-object frames, "[AVHWFramesContext @ 0x55efabde80c0] VAAPI can only map frames made from a single DRM object.". This is a regression and...
.scan_objects = dmabuf_page_pool_shrink_scan, .seeks = DEFAULT_SEEKS, .batch = 0, }; int dmabuf_page_pool_init_shrinker(void) { return register_shrinker(&pool_shrinker); } module_init(dmabuf_page_pool_init_shrinker); MODULE_LICENSE("GPL v2"); 55 changes: 55 additions & 0 deletion...
(s, "\nDma-buf Objects:\n"); seq_printf(s, "%-8s\t%-8s\t%-8s\t%-8s\texp_name\t%-8s\tname\n", "size", "flags", "mode", "count", "ino"); list_for_each_entry(buf_obj, &debugfs_list, list_node) { ret = dma_resv_lock_interruptible(buf_obj->resv, NULL); if (...
struct dma_buf *buffer){structdrm_gem_object*obj;/* is this one of own objects? */if(buffer->ops == &omap_dmabuf_ops) { obj = buffer->priv;/* is it from our device? */if(obj->dev == dev) {/* * Importing dmabuf exported from out own gem increases ...
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//** Framework for buffer objects that can be shared across devices/subsystems.** Copyright(C) 2015 Intel Ltd** This program is free software; you can redistribute it and/or modify it* under the terms of the GNU General Publ...