diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp')
| -rw-r--r-- | src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp | 104 |
1 files changed, 61 insertions, 43 deletions
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp index 5a62e437c4..3fc46cd224 100644 --- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp +++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 Pelagicore AG -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 Pelagicore AG +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qeglfskmsegldevicescreen.h" #include "qeglfskmsegldevice.h" @@ -49,12 +13,63 @@ Q_DECLARE_LOGGING_CATEGORY(qLcEglfsKmsDebug) QEglFSKmsEglDeviceScreen::QEglFSKmsEglDeviceScreen(QEglFSKmsDevice *device, const QKmsOutput &output) : QEglFSKmsScreen(device, output) + , m_default_fb_handle(uint32_t(-1)) + , m_default_fb_id(uint32_t(-1)) { + const int fd = device->fd(); + + struct drm_mode_create_dumb createRequest; + createRequest.width = output.size.width(); + createRequest.height = output.size.height(); + createRequest.bpp = 32; + createRequest.flags = 0; + + qCDebug(qLcEglfsKmsDebug, "Creating dumb fb %dx%d", createRequest.width, createRequest.height); + + int ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &createRequest); + if (ret < 0) + qFatal("Unable to create dumb buffer.\n"); + + m_default_fb_handle = createRequest.handle; + + uint32_t handles[4] = { 0, 0, 0, 0 }; + uint32_t pitches[4] = { 0, 0, 0, 0 }; + uint32_t offsets[4] = { 0, 0, 0, 0 }; + + handles[0] = createRequest.handle; + pitches[0] = createRequest.pitch; + offsets[0] = 0; + + ret = drmModeAddFB2(fd, createRequest.width, createRequest.height, DRM_FORMAT_ARGB8888, handles, + pitches, offsets, &m_default_fb_id, 0); + if (ret) + qFatal("Unable to add fb\n"); + + qCDebug(qLcEglfsKmsDebug, "Added dumb fb %dx%d handle:%u pitch:%d id:%u", createRequest.width, createRequest.height, + createRequest.handle, createRequest.pitch, m_default_fb_id); } QEglFSKmsEglDeviceScreen::~QEglFSKmsEglDeviceScreen() { - const int remainingScreenCount = qGuiApp->screens().count(); + int ret; + const int fd = device()->fd(); + + if (m_default_fb_id != uint32_t(-1)) { + ret = drmModeRmFB(fd, m_default_fb_id); + if (ret) + qErrnoWarning("drmModeRmFB failed"); + } + + if (m_default_fb_handle != uint32_t(-1)) { + struct drm_mode_destroy_dumb destroyRequest; + destroyRequest.handle = m_default_fb_handle; + + ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroyRequest); + if (ret) + qErrnoWarning("DRM_IOCTL_MODE_DESTROY_DUMB failed"); + } + + const int remainingScreenCount = qGuiApp->screens().size(); qCDebug(qLcEglfsKmsDebug, "Screen dtor. Remaining screens: %d", remainingScreenCount); if (!remainingScreenCount && !device()->screenConfig()->separateScreens()) static_cast<QEglFSKmsEglDevice *>(device())->destroyGlobalCursor(); @@ -89,8 +104,11 @@ void QEglFSKmsEglDeviceScreen::waitForFlip() if (alreadySet) { // Maybe detecting the DPMS mode could help here, but there are no properties // exposed on the connector apparently. So rely on an env var for now. - static bool alwaysDoSet = qEnvironmentVariableIntValue("QT_QPA_EGLFS_ALWAYS_SET_MODE"); - if (!alwaysDoSet) { + // Note that typically, we need to set crtc with the default fb even if the + // mode did not change, unless QT_QPA_EGLFS_ALWAYS_SET_MODE is explicitly specified. + static bool envVarSet = false; + static bool alwaysDoSet = qEnvironmentVariableIntValue("QT_QPA_EGLFS_ALWAYS_SET_MODE", &envVarSet); + if (envVarSet && !alwaysDoSet) { qCDebug(qLcEglfsKmsDebug, "Mode already set"); return; } @@ -98,7 +116,7 @@ void QEglFSKmsEglDeviceScreen::waitForFlip() qCDebug(qLcEglfsKmsDebug, "Setting mode"); int ret = drmModeSetCrtc(fd, op.crtc_id, - uint32_t(-1), 0, 0, + m_default_fb_id, 0, 0, &op.connector_id, 1, &op.modes[op.mode]); if (ret) @@ -110,7 +128,7 @@ void QEglFSKmsEglDeviceScreen::waitForFlip() if (op.wants_forced_plane) { qCDebug(qLcEglfsKmsDebug, "Setting plane %u", op.forced_plane_id); - int ret = drmModeSetPlane(fd, op.forced_plane_id, op.crtc_id, uint32_t(-1), 0, + int ret = drmModeSetPlane(fd, op.forced_plane_id, op.crtc_id, m_default_fb_id, 0, 0, 0, w, h, 0 << 16, 0 << 16, op.size.width() << 16, op.size.height() << 16); if (ret == -1) |