Home | History | Annotate | Line # | Download | only in drm 
      1 /*	$NetBSD: drm_writeback.c,v 1.1 2021/12/19 10:46:02 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2020 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: drm_writeback.c,v 1.1 2021/12/19 10:46:02 riastradh Exp $");
     31 
     32 #include <drm/drm_writeback.h>
     33 
     34 struct drm_writeback_connector *
     35 drm_connector_to_writeback(struct drm_connector *connector)
     36 {
     37 
     38 	return container_of(connector, struct drm_writeback_connector, base);
     39 }
     40 
     41 struct dma_fence *
     42 drm_writeback_get_out_fence(struct drm_writeback_connector *wbconn)
     43 {
     44 	panic("writeback connectors not implemented");
     45 	return NULL;
     46 }
     47 
     48 int
     49 drm_writeback_prepare_job(struct drm_writeback_job *wbj)
     50 {
     51 	panic("writeback connectors not implemented");
     52 	return -ENXIO;
     53 }
     54 
     55 void
     56 drm_writeback_cleanup_job(struct drm_writeback_job *job)
     57 {
     58 	panic("writeback connectors not implemented");
     59 }
     60 
     61 int
     62 drm_writeback_set_fb(struct drm_connector_state *state,
     63     struct drm_framebuffer *fb)
     64 {
     65 	panic("writeback connectors not implemented");
     66 	return -ENXIO;
     67 }
     68