From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/gpu/drm/udl/udl_encoder.c | 80 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 drivers/gpu/drm/udl/udl_encoder.c (limited to 'drivers/gpu/drm/udl/udl_encoder.c') diff --git a/drivers/gpu/drm/udl/udl_encoder.c b/drivers/gpu/drm/udl/udl_encoder.c new file mode 100644 index 000000000..4052c4656 --- /dev/null +++ b/drivers/gpu/drm/udl/udl_encoder.c @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2012 Red Hat + * based in parts on udlfb.c: + * Copyright (C) 2009 Roberto De Ioris + * Copyright (C) 2009 Jaya Kumar + * Copyright (C) 2009 Bernie Thompson + * + * 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 +#include +#include +#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 bool udl_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +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, + .mode_fixup = udl_mode_fixup, + .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); + drm_encoder_helper_add(encoder, &udl_helper_funcs); + encoder->possible_crtcs = 1; + return encoder; +} -- cgit v1.2.3-54-g00ecf