Release 4.15 drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c
/*
* Copyright (C) 2014 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
* Author: Vinay Simha <vinaysimha@inforcecomputing.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/gpio.h>
#include "mdp4_kms.h"
struct mdp4_lvds_connector {
struct drm_connector base;
struct drm_encoder *encoder;
struct device_node *panel_node;
struct drm_panel *panel;
};
#define to_mdp4_lvds_connector(x) container_of(x, struct mdp4_lvds_connector, base)
static enum drm_connector_status mdp4_lvds_connector_detect(
struct drm_connector *connector, bool force)
{
struct mdp4_lvds_connector *mdp4_lvds_connector =
to_mdp4_lvds_connector(connector);
if (!mdp4_lvds_connector->panel)
mdp4_lvds_connector->panel =
of_drm_find_panel(mdp4_lvds_connector->panel_node);
return mdp4_lvds_connector->panel ?
connector_status_connected :
connector_status_disconnected;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 34 | 65.38% | 1 | 50.00% |
| Archit Taneja | 18 | 34.62% | 1 | 50.00% |
| Total | 52 | 100.00% | 2 | 100.00% |
static void mdp4_lvds_connector_destroy(struct drm_connector *connector)
{
struct mdp4_lvds_connector *mdp4_lvds_connector =
to_mdp4_lvds_connector(connector);
drm_connector_cleanup(connector);
kfree(mdp4_lvds_connector);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 31 | 100.00% | 1 | 100.00% |
| Total | 31 | 100.00% | 1 | 100.00% |
static int mdp4_lvds_connector_get_modes(struct drm_connector *connector)
{
struct mdp4_lvds_connector *mdp4_lvds_connector =
to_mdp4_lvds_connector(connector);
struct drm_panel *panel = mdp4_lvds_connector->panel;
int ret = 0;
if (panel) {
drm_panel_attach(panel, connector);
ret = panel->funcs->get_modes(panel);
drm_panel_detach(panel);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 53 | 79.10% | 1 | 50.00% |
| Archit Taneja | 14 | 20.90% | 1 | 50.00% |
| Total | 67 | 100.00% | 2 | 100.00% |
static int mdp4_lvds_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct mdp4_lvds_connector *mdp4_lvds_connector =
to_mdp4_lvds_connector(connector);
struct drm_encoder *encoder = mdp4_lvds_connector->encoder;
long actual, requested;
requested = 1000 * mode->clock;
actual = mdp4_lcdc_round_pixclk(encoder, requested);
DBG("requested=%ld, actual=%ld", requested, actual);
if (actual != requested)
return MODE_CLOCK_RANGE;
return MODE_OK;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 78 | 100.00% | 1 | 100.00% |
| Total | 78 | 100.00% | 1 | 100.00% |
static const struct drm_connector_funcs mdp4_lvds_connector_funcs = {
.detect = mdp4_lvds_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = mdp4_lvds_connector_destroy,
.reset = drm_atomic_helper_connector_reset,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
static const struct drm_connector_helper_funcs mdp4_lvds_connector_helper_funcs = {
.get_modes = mdp4_lvds_connector_get_modes,
.mode_valid = mdp4_lvds_connector_mode_valid,
};
/* initialize connector */
struct drm_connector *mdp4_lvds_connector_init(struct drm_device *dev,
struct device_node *panel_node, struct drm_encoder *encoder)
{
struct drm_connector *connector = NULL;
struct mdp4_lvds_connector *mdp4_lvds_connector;
mdp4_lvds_connector = kzalloc(sizeof(*mdp4_lvds_connector), GFP_KERNEL);
if (!mdp4_lvds_connector)
return ERR_PTR(-ENOMEM);
mdp4_lvds_connector->encoder = encoder;
mdp4_lvds_connector->panel_node = panel_node;
connector = &mdp4_lvds_connector->base;
drm_connector_init(dev, connector, &mdp4_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
drm_connector_helper_add(connector, &mdp4_lvds_connector_helper_funcs);
connector->polled = 0;
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
drm_mode_connector_attach_encoder(connector, encoder);
return connector;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 117 | 92.86% | 1 | 33.33% |
| Archit Taneja | 9 | 7.14% | 2 | 66.67% |
| Total | 126 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 403 | 89.76% | 2 | 50.00% |
| Archit Taneja | 46 | 10.24% | 2 | 50.00% |
| Total | 449 | 100.00% | 4 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.