linuxdebug/drivers/gpu/drm/aspeed/aspeed_gfx_out.c

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2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0+
// Copyright 2018 IBM Corporation
#include <drm/drm_atomic_helper.h>
#include <drm/drm_connector.h>
#include <drm/drm_crtc_helper.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;
}