UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / udl / udl_encoder.c
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1/*
2 * Copyright (C) 2012 Red Hat
3 * based in parts on udlfb.c:
4 * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
5 * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
6 * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License v2. See the file COPYING in the main directory of this archive for
10 * more details.
11 */
12
760285e7
DH
13#include <drm/drmP.h>
14#include <drm/drm_crtc.h>
15#include <drm/drm_crtc_helper.h>
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16#include "udl_drv.h"
17
18/* dummy encoder */
19void udl_enc_destroy(struct drm_encoder *encoder)
20{
21 drm_encoder_cleanup(encoder);
22 kfree(encoder);
23}
24
25static void udl_encoder_disable(struct drm_encoder *encoder)
26{
27}
28
29static bool udl_mode_fixup(struct drm_encoder *encoder,
e811f5ae 30 const struct drm_display_mode *mode,
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31 struct drm_display_mode *adjusted_mode)
32{
33 return true;
34}
35
36static void udl_encoder_prepare(struct drm_encoder *encoder)
37{
38}
39
40static void udl_encoder_commit(struct drm_encoder *encoder)
41{
42}
43
44static void udl_encoder_mode_set(struct drm_encoder *encoder,
45 struct drm_display_mode *mode,
46 struct drm_display_mode *adjusted_mode)
47{
48}
49
50static void
51udl_encoder_dpms(struct drm_encoder *encoder, int mode)
52{
53}
54
55static const struct drm_encoder_helper_funcs udl_helper_funcs = {
56 .dpms = udl_encoder_dpms,
57 .mode_fixup = udl_mode_fixup,
58 .prepare = udl_encoder_prepare,
59 .mode_set = udl_encoder_mode_set,
60 .commit = udl_encoder_commit,
61 .disable = udl_encoder_disable,
62};
63
64static const struct drm_encoder_funcs udl_enc_funcs = {
65 .destroy = udl_enc_destroy,
66};
67
68struct drm_encoder *udl_encoder_init(struct drm_device *dev)
69{
70 struct drm_encoder *encoder;
71
72 encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
73 if (!encoder)
74 return NULL;
75
76 drm_encoder_init(dev, encoder, &udl_enc_funcs, DRM_MODE_ENCODER_TMDS);
77 drm_encoder_helper_add(encoder, &udl_helper_funcs);
78 encoder->possible_crtcs = 1;
79 return encoder;
80}