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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364// SPDX-License-Identifier: GPL-2.0-only/* * Copyright (C) 2015 Texas Instruments * Author: Jyri Sarha <jsarha@ti.com> */
#include <linux/of_graph.h>
#include <drm/drm_atomic_helper.h>#include <drm/drm_bridge.h>#include <drm/drm_bridge_connector.h>#include <drm/drm_of.h>#include <drm/drm_simple_kms_helper.h>
#include "tilcdc_drv.h"#include "tilcdc_encoder.h"
staticint tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge){ struct tilcdc_drm_private *priv = ddev_to_tilcdc_priv(ddev); struct drm_connector *connector; int ret;
priv->encoder->base.possible_crtcs = BIT(0);
ret = drm_bridge_attach(&priv->encoder->base, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) return ret;
connector = drm_bridge_connector_init(ddev, &priv->encoder->base); if (IS_ERR(connector)) { drm_err(ddev, "bridge_connector create failed\n"); return PTR_ERR(connector); }
priv->connector = connector; return 0;}
int tilcdc_encoder_create(struct drm_device *ddev){ struct tilcdc_drm_private *priv = ddev_to_tilcdc_priv(ddev); struct tilcdc_encoder *encoder; struct drm_bridge *bridge;
bridge = devm_drm_of_get_bridge(ddev->dev, ddev->dev->of_node, 0, 0); if (PTR_ERR(bridge) == -ENODEV) return 0; else if (IS_ERR(bridge)) return PTR_ERR(bridge);
encoder = drmm_simple_encoder_alloc(ddev, struct tilcdc_encoder, base, DRM_MODE_ENCODER_NONE); if (IS_ERR(encoder)) { drm_err(ddev, "drm_encoder_init() failed %pe\n", encoder); return PTR_ERR(encoder); } priv->encoder = encoder;
return tilcdc_attach_bridge(ddev, bridge);}