mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-26 22:24:09 +08:00
dac290d0ec
mode_fixup function for encoder drivers became optional with patch http://patchwork.freedesktop.org/patch/msgid/1455106522-32307-1-git-send-email-palminha@synopsys.com This patch set nukes all the dummy mode_fixup implementations. (made on top of Daniel topic/drm-misc branch) Signed-off-by: Carlos Palminha <palminha@synopsys.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/a7ebfb6c6c333056d0a77d2684c539107ee63589.1455540137.git.palminha@synopsys.com
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
|
|
* 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;
|
|
}
|