linux/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
Joel Stanley 4f2a8f5898 drm: Add ASPEED GFX driver
This driver is for the ASPEED BMC SoC's GFX display hardware. This
driver runs on the ARM based BMC systems, unlike the ast driver which
runs on a host CPU and is is for a PCI graphics device.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190403001909.31637-3-joel@jms.id.au
2019-04-04 11:57:34 +10:30

43 lines
1.2 KiB
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_crtc_helper.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 = drm->dev_private;
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;
}