kwin/plugins/platforms/drm/drm_object_connector.cpp
Roman Gilg d15cb52682 [DRM plugin] Correct Atomic Mode Setting
This patch makes the AMS execution path work with the new DrmCrtc and
DrmBuffer structure and solves major issues about:
* VT switching
* DPMS
* Hot plugging
* Logout
* Memory leaks

Test Plan:
Tested with Gl and QPainter.

Reviewers: #kwin

Subscribers: kwin, #kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D5191
2017-05-09 21:29:10 +02:00

81 lines
2.3 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2016 Roman Gilg <subdiff@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 "drm_object_connector.h"
#include "drm_backend.h"
#include "drm_pointer.h"
#include "logging.h"
namespace KWin
{
DrmConnector::DrmConnector(uint32_t connector_id, DrmBackend *backend)
: DrmObject(connector_id, backend)
{
ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> con(drmModeGetConnector(backend->fd(), connector_id));
if (!con) {
return;
}
for (int i = 0; i < con->count_encoders; ++i) {
m_encoders << con->encoders[i];
}
}
DrmConnector::~DrmConnector() = default;
bool DrmConnector::atomicInit()
{
qCDebug(KWIN_DRM) << "Creating connector" << m_id;
if (!initProps()) {
return false;
}
return true;
}
bool DrmConnector::initProps()
{
m_propsNames = {
QByteArrayLiteral("CRTC_ID"),
};
drmModeObjectProperties *properties = drmModeObjectGetProperties(m_backend->fd(), m_id, DRM_MODE_OBJECT_CONNECTOR);
if (!properties) {
qCWarning(KWIN_DRM) << "Failed to get properties for connector " << m_id ;
return false;
}
int propCount = int(PropertyIndex::Count);
for (int j = 0; j < propCount; ++j) {
initProp(j, properties);
}
drmModeFreeObjectProperties(properties);
return true;
}
bool DrmConnector::isConnected()
{
ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> con(drmModeGetConnector(m_backend->fd(), m_id));
if (!con) {
return false;
}
return con->connection == DRM_MODE_CONNECTED;
}
}