Quelle  aspeed_gfx_out.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0+
// Copyright 2018 IBM Corporation

#include <drm/drm_atomic_helper.h>
#include <drm/drm_connector.h>
#include <drm/drm_edid.h>
#include <drm/drm_probe_helper.h>

#include "aspeed_gfx.h"

static int aspeed_gfx_get_modes(struct drm_connector *connector)
{
 return drm_add_modes_noedid(connector, 800, 600);
}

static const struct
drm_connector_helper_funcs aspeed_gfx_connector_helper_funcs = {
 .get_modes = aspeed_gfx_get_modes,
};

static const struct drm_connector_funcs aspeed_gfx_connector_funcs = {
 .fill_modes  = drm_helper_probe_single_connector_modes,
 .destroy  = drm_connector_cleanup,
 .reset   = drm_atomic_helper_connector_reset,
 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};

int aspeed_gfx_create_output(struct drm_device *drm)
{
 struct aspeed_gfx *priv = to_aspeed_gfx(drm);
 int ret;

 priv->connector.dpms = DRM_MODE_DPMS_OFF;
 priv->connector.polled = 0;
 drm_connector_helper_add(&priv->connector,
     &aspeed_gfx_connector_helper_funcs);
 ret = drm_connector_init(drm, &priv->connector,
     &aspeed_gfx_connector_funcs,
     DRM_MODE_CONNECTOR_Unknown);
 return ret;
}