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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/gpu/drm/udl/udl_encoder.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_encoder.c')
-rw-r--r-- | drivers/gpu/drm/udl/udl_encoder.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_encoder.c b/drivers/gpu/drm/udl/udl_encoder.c new file mode 100644 index 000000000..59a4b34e8 --- /dev/null +++ b/drivers/gpu/drm/udl/udl_encoder.c @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2012 Red Hat + * based in parts on udlfb.c: + * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it> + * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com> + * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License v2. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <drm/drmP.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> +#include "udl_drv.h" + +/* dummy encoder */ +static void udl_enc_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); + kfree(encoder); +} + +static void udl_encoder_disable(struct drm_encoder *encoder) +{ +} + +static void udl_encoder_prepare(struct drm_encoder *encoder) +{ +} + +static void udl_encoder_commit(struct drm_encoder *encoder) +{ +} + +static void udl_encoder_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ +} + +static void +udl_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +} + +static const struct drm_encoder_helper_funcs udl_helper_funcs = { + .dpms = udl_encoder_dpms, + .prepare = udl_encoder_prepare, + .mode_set = udl_encoder_mode_set, + .commit = udl_encoder_commit, + .disable = udl_encoder_disable, +}; + +static const struct drm_encoder_funcs udl_enc_funcs = { + .destroy = udl_enc_destroy, +}; + +struct drm_encoder *udl_encoder_init(struct drm_device *dev) +{ + struct drm_encoder *encoder; + + encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL); + if (!encoder) + return NULL; + + drm_encoder_init(dev, encoder, &udl_enc_funcs, DRM_MODE_ENCODER_TMDS, + NULL); + drm_encoder_helper_add(encoder, &udl_helper_funcs); + encoder->possible_crtcs = 1; + return encoder; +} |