Lines Matching +full:display +full:- +full:backend

1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
4  *  Xen para-virtual DRM device
6  * Copyright (C) 2016-2018 EPAM Systems Inc.
27  * DOC: Driver modes of operation in terms of display buffers used
29  * Depending on the requirements for the para-virtualized environment, namely
31  * host and guest environments, display buffers can be allocated by either
32  * frontend driver or backend.
42  * hardware can still reach display buffer memory while importing PRIME
47  * DOC: Buffers allocated by the backend
49  * This mode of operation is run-time configured via guest domain configuration
53  * requirements for display buffers it is possible to allocate such buffers
54  * at backend side and share those with the frontend.
56  * physically contiguous memory, this allows implementing zero-copying
57  * use-cases.
61  * #. If guest domain dies then pages/grants received from the backend
65  *    backend exhausting its grant references and memory
80 /* timeout in ms to wait for backend to respond */
96 	/* to protect data between backend IO code and interrupt handler */
103 	/* display buffers */