mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
4092de1ba3
We haven't done any backmerge for a while due to the merge window, and it starts to become an issue for komeda. Let's bring 5.4-rc1 in. Signed-off-by: Maxime Ripard <mripard@kernel.org>
137 lines
3.4 KiB
C
137 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Author: Archit Taneja <archit@ti.com>
|
|
*/
|
|
|
|
#include <linux/bitops.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_graph.h>
|
|
|
|
#include <drm/drm_bridge.h>
|
|
#include <drm/drm_panel.h>
|
|
|
|
#include "dss.h"
|
|
#include "omapdss.h"
|
|
|
|
int omapdss_device_init_output(struct omap_dss_device *out)
|
|
{
|
|
struct device_node *remote_node;
|
|
|
|
remote_node = of_graph_get_remote_node(out->dev->of_node,
|
|
ffs(out->of_ports) - 1, 0);
|
|
if (!remote_node) {
|
|
dev_dbg(out->dev, "failed to find video sink\n");
|
|
return 0;
|
|
}
|
|
|
|
out->next = omapdss_find_device_by_node(remote_node);
|
|
out->bridge = of_drm_find_bridge(remote_node);
|
|
out->panel = of_drm_find_panel(remote_node);
|
|
if (IS_ERR(out->panel))
|
|
out->panel = NULL;
|
|
|
|
of_node_put(remote_node);
|
|
|
|
if (out->next && out->type != out->next->type) {
|
|
dev_err(out->dev, "output type and display type don't match\n");
|
|
omapdss_device_put(out->next);
|
|
out->next = NULL;
|
|
return -EINVAL;
|
|
}
|
|
|
|
return out->next || out->bridge || out->panel ? 0 : -EPROBE_DEFER;
|
|
}
|
|
EXPORT_SYMBOL(omapdss_device_init_output);
|
|
|
|
void omapdss_device_cleanup_output(struct omap_dss_device *out)
|
|
{
|
|
if (out->next)
|
|
omapdss_device_put(out->next);
|
|
}
|
|
EXPORT_SYMBOL(omapdss_device_cleanup_output);
|
|
|
|
int dss_install_mgr_ops(struct dss_device *dss,
|
|
const struct dss_mgr_ops *mgr_ops,
|
|
struct omap_drm_private *priv)
|
|
{
|
|
if (dss->mgr_ops)
|
|
return -EBUSY;
|
|
|
|
dss->mgr_ops = mgr_ops;
|
|
dss->mgr_ops_priv = priv;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(dss_install_mgr_ops);
|
|
|
|
void dss_uninstall_mgr_ops(struct dss_device *dss)
|
|
{
|
|
dss->mgr_ops = NULL;
|
|
dss->mgr_ops_priv = NULL;
|
|
}
|
|
EXPORT_SYMBOL(dss_uninstall_mgr_ops);
|
|
|
|
void dss_mgr_set_timings(struct omap_dss_device *dssdev,
|
|
const struct videomode *vm)
|
|
{
|
|
dssdev->dss->mgr_ops->set_timings(dssdev->dss->mgr_ops_priv,
|
|
dssdev->dispc_channel, vm);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_set_timings);
|
|
|
|
void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev,
|
|
const struct dss_lcd_mgr_config *config)
|
|
{
|
|
dssdev->dss->mgr_ops->set_lcd_config(dssdev->dss->mgr_ops_priv,
|
|
dssdev->dispc_channel, config);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_set_lcd_config);
|
|
|
|
int dss_mgr_enable(struct omap_dss_device *dssdev)
|
|
{
|
|
return dssdev->dss->mgr_ops->enable(dssdev->dss->mgr_ops_priv,
|
|
dssdev->dispc_channel);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_enable);
|
|
|
|
void dss_mgr_disable(struct omap_dss_device *dssdev)
|
|
{
|
|
dssdev->dss->mgr_ops->disable(dssdev->dss->mgr_ops_priv,
|
|
dssdev->dispc_channel);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_disable);
|
|
|
|
void dss_mgr_start_update(struct omap_dss_device *dssdev)
|
|
{
|
|
dssdev->dss->mgr_ops->start_update(dssdev->dss->mgr_ops_priv,
|
|
dssdev->dispc_channel);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_start_update);
|
|
|
|
int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev,
|
|
void (*handler)(void *), void *data)
|
|
{
|
|
struct dss_device *dss = dssdev->dss;
|
|
|
|
return dss->mgr_ops->register_framedone_handler(dss->mgr_ops_priv,
|
|
dssdev->dispc_channel,
|
|
handler, data);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_register_framedone_handler);
|
|
|
|
void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev,
|
|
void (*handler)(void *), void *data)
|
|
{
|
|
struct dss_device *dss = dssdev->dss;
|
|
|
|
dss->mgr_ops->unregister_framedone_handler(dss->mgr_ops_priv,
|
|
dssdev->dispc_channel,
|
|
handler, data);
|
|
}
|
|
EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler);
|