linux/drivers/gpu/drm/arc/arcpgu_hdmi.c
Boris Brezillon ee68c743f8 drm: Stop including drm_bridge.h from drm_crtc.h
We are about to add a drm_bridge_state that inherits from
drm_private_state which is defined in drm_atomic.h. Problem is,
drm_atomic.h includes drm_crtc.h which in turn includes drm_bridge.h,
leading to "drm_private_state has incomplete type" error.

Let's force all users of the drm_bridge API to explicitly include
drm_bridge.h.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190826152649.13820-2-boris.brezillon@collabora.com
2019-08-28 22:11:03 +02:00

49 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* ARC PGU DRM driver.
*
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
*/
#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_encoder.h>
#include <drm/drm_device.h>
#include "arcpgu.h"
static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = {
.destroy = drm_encoder_cleanup,
};
int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np)
{
struct drm_encoder *encoder;
struct drm_bridge *bridge;
int ret = 0;
encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL);
if (encoder == NULL)
return -ENOMEM;
/* Locate drm bridge from the hdmi encoder DT node */
bridge = of_drm_find_bridge(np);
if (!bridge)
return -EPROBE_DEFER;
encoder->possible_crtcs = 1;
encoder->possible_clones = 0;
ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
if (ret)
return ret;
/* Link drm_bridge to encoder */
ret = drm_bridge_attach(encoder, bridge, NULL);
if (ret)
drm_encoder_cleanup(encoder);
return ret;
}