forked from Minki/linux
cde4c44d87
Again to align with the usual prefix of just drm_connector_. Again done with sed + manual fixup for indent issues. Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180709084016.23750-7-daniel.vetter@ffwll.ch
141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only 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.
|
|
*/
|
|
|
|
#include "drm/drm_edid.h"
|
|
#include "msm_kms.h"
|
|
#include "edp.h"
|
|
|
|
struct edp_connector {
|
|
struct drm_connector base;
|
|
struct msm_edp *edp;
|
|
};
|
|
#define to_edp_connector(x) container_of(x, struct edp_connector, base)
|
|
|
|
static enum drm_connector_status edp_connector_detect(
|
|
struct drm_connector *connector, bool force)
|
|
{
|
|
struct edp_connector *edp_connector = to_edp_connector(connector);
|
|
struct msm_edp *edp = edp_connector->edp;
|
|
|
|
DBG("");
|
|
return msm_edp_ctrl_panel_connected(edp->ctrl) ?
|
|
connector_status_connected : connector_status_disconnected;
|
|
}
|
|
|
|
static void edp_connector_destroy(struct drm_connector *connector)
|
|
{
|
|
struct edp_connector *edp_connector = to_edp_connector(connector);
|
|
|
|
DBG("");
|
|
|
|
drm_connector_cleanup(connector);
|
|
|
|
kfree(edp_connector);
|
|
}
|
|
|
|
static int edp_connector_get_modes(struct drm_connector *connector)
|
|
{
|
|
struct edp_connector *edp_connector = to_edp_connector(connector);
|
|
struct msm_edp *edp = edp_connector->edp;
|
|
|
|
struct edid *drm_edid = NULL;
|
|
int ret = 0;
|
|
|
|
DBG("");
|
|
ret = msm_edp_ctrl_get_panel_info(edp->ctrl, connector, &drm_edid);
|
|
if (ret)
|
|
return ret;
|
|
|
|
drm_connector_update_edid_property(connector, drm_edid);
|
|
if (drm_edid)
|
|
ret = drm_add_edid_modes(connector, drm_edid);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int edp_connector_mode_valid(struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
struct edp_connector *edp_connector = to_edp_connector(connector);
|
|
struct msm_edp *edp = edp_connector->edp;
|
|
struct msm_drm_private *priv = connector->dev->dev_private;
|
|
struct msm_kms *kms = priv->kms;
|
|
long actual, requested;
|
|
|
|
requested = 1000 * mode->clock;
|
|
actual = kms->funcs->round_pixclk(kms,
|
|
requested, edp_connector->edp->encoder);
|
|
|
|
DBG("requested=%ld, actual=%ld", requested, actual);
|
|
if (actual != requested)
|
|
return MODE_CLOCK_RANGE;
|
|
|
|
if (!msm_edp_ctrl_pixel_clock_valid(
|
|
edp->ctrl, mode->clock, NULL, NULL))
|
|
return MODE_CLOCK_RANGE;
|
|
|
|
/* Invalidate all modes if color format is not supported */
|
|
if (connector->display_info.bpc > 8)
|
|
return MODE_BAD;
|
|
|
|
return MODE_OK;
|
|
}
|
|
|
|
static const struct drm_connector_funcs edp_connector_funcs = {
|
|
.detect = edp_connector_detect,
|
|
.fill_modes = drm_helper_probe_single_connector_modes,
|
|
.destroy = edp_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 edp_connector_helper_funcs = {
|
|
.get_modes = edp_connector_get_modes,
|
|
.mode_valid = edp_connector_mode_valid,
|
|
};
|
|
|
|
/* initialize connector */
|
|
struct drm_connector *msm_edp_connector_init(struct msm_edp *edp)
|
|
{
|
|
struct drm_connector *connector = NULL;
|
|
struct edp_connector *edp_connector;
|
|
int ret;
|
|
|
|
edp_connector = kzalloc(sizeof(*edp_connector), GFP_KERNEL);
|
|
if (!edp_connector)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
edp_connector->edp = edp;
|
|
|
|
connector = &edp_connector->base;
|
|
|
|
ret = drm_connector_init(edp->dev, connector, &edp_connector_funcs,
|
|
DRM_MODE_CONNECTOR_eDP);
|
|
if (ret)
|
|
return ERR_PTR(ret);
|
|
|
|
drm_connector_helper_add(connector, &edp_connector_helper_funcs);
|
|
|
|
/* We don't support HPD, so only poll status until connected. */
|
|
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
|
|
|
|
/* Display driver doesn't support interlace now. */
|
|
connector->interlace_allowed = false;
|
|
connector->doublescan_allowed = false;
|
|
|
|
drm_connector_attach_encoder(connector, edp->encoder);
|
|
|
|
return connector;
|
|
}
|