kwin/autotests/drm/drmTest.cpp

283 lines
8.5 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2022 Xaver Hugl <xaver.hugl@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <QSize>
#include <QtTest>
#include "mock_drm.h"
#include "drm_backend.h"
#include "drm_dumb_buffer.h"
#include "drm_egl_backend.h"
#include "drm_gpu.h"
#include "drm_connector.h"
#include "drm_crtc.h"
#include "drm_plane.h"
#include "drm_output.h"
#include "drm_pipeline.h"
#include "drm_pointer.h"
#include "qpainterbackend.h"
#include "core/session.h"
#include <drm_fourcc.h>
using namespace KWin;
class DrmTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void testAmsDetection();
void testOutputDetection();
void testZeroModesHandling();
void testModeGeneration_data();
void testModeGeneration();
};
static void verifyCleanup(MockGpu *mockGpu)
{
QVERIFY(mockGpu->drmConnectors.isEmpty());
QVERIFY(mockGpu->drmEncoders.isEmpty());
QVERIFY(mockGpu->drmCrtcs.isEmpty());
QVERIFY(mockGpu->drmPlanes.isEmpty());
QVERIFY(mockGpu->drmPlaneRes.isEmpty());
QVERIFY(mockGpu->fbs.isEmpty());
QVERIFY(mockGpu->drmProps.isEmpty());
QVERIFY(mockGpu->drmObjectProperties.isEmpty());
QVERIFY(mockGpu->drmPropertyBlobs.isEmpty());
}
void DrmTest::testAmsDetection()
{
const auto mockGpu = std::make_unique<MockGpu>(1, 0);
const auto session = Session::create(Session::Type::Noop);
const auto backend = std::make_unique<DrmBackend>(session.get());
// gpu without planes should use legacy mode
auto gpu = std::make_unique<DrmGpu>(backend.get(), "legacy", 1, 0);
QVERIFY(!gpu->atomicModeSetting());
// gpu with planes should use AMS
mockGpu->planes << std::make_shared<MockPlane>(mockGpu.get(), PlaneType::Primary, 0);
gpu = std::make_unique<DrmGpu>(backend.get(), "AMS", 1, 0);
QVERIFY(gpu->atomicModeSetting());
// but not if the kernel doesn't allow it
mockGpu->deviceCaps[MOCKDRM_DEVICE_CAP_ATOMIC] = 0;
gpu = std::make_unique<DrmGpu>(backend.get(), "legacy 2", 1, 0);
QVERIFY(!gpu->atomicModeSetting());
gpu.reset();
verifyCleanup(mockGpu.get());
}
void DrmTest::testOutputDetection()
{
const auto mockGpu = std::make_unique<MockGpu>(1, 5);
const auto one = std::make_shared<MockConnector>(mockGpu.get());
const auto two = std::make_shared<MockConnector>(mockGpu.get());
const auto vr = std::make_shared<MockConnector>(mockGpu.get(), true);
mockGpu->connectors.push_back(one);
mockGpu->connectors.push_back(two);
mockGpu->connectors.push_back(vr);
const auto session = Session::create(Session::Type::Noop);
const auto backend = std::make_unique<DrmBackend>(session.get());
const auto renderBackend = backend->createQPainterBackend();
auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
QVERIFY(gpu->updateOutputs());
// 3 outputs should be detected, one of them non-desktop
const auto outputs = gpu->drmOutputs();
QCOMPARE(outputs.size(), 3);
const auto vrOutput = std::find_if(outputs.begin(), outputs.end(), [](const auto &output) {
return output->isNonDesktop();
});
QVERIFY(vrOutput != outputs.end());
QVERIFY(static_cast<DrmOutput *>(*vrOutput)->connector()->id() == vr->id);
// test hotunplugging
mockGpu->connectors.removeOne(one);
QVERIFY(gpu->updateOutputs());
QCOMPARE(gpu->drmOutputs().size(), 2);
// test hotplugging
mockGpu->connectors.push_back(one);
QVERIFY(gpu->updateOutputs());
QCOMPARE(gpu->drmOutputs().size(), 3);
// connector state changing to disconnected should count as a hotunplug
one->connection = DRM_MODE_DISCONNECTED;
QVERIFY(gpu->updateOutputs());
QCOMPARE(gpu->drmOutputs().size(), 2);
// don't crash if all connectors are disconnected
two->connection = DRM_MODE_DISCONNECTED;
vr->connection = DRM_MODE_DISCONNECTED;
QVERIFY(gpu->updateOutputs());
QVERIFY(gpu->drmOutputs().empty());
gpu.reset();
verifyCleanup(mockGpu.get());
}
void DrmTest::testZeroModesHandling()
{
const auto mockGpu = std::make_unique<MockGpu>(1, 5);
const auto conn = std::make_shared<MockConnector>(mockGpu.get());
mockGpu->connectors.push_back(conn);
const auto session = Session::create(Session::Type::Noop);
const auto backend = std::make_unique<DrmBackend>(session.get());
const auto renderBackend = backend->createQPainterBackend();
auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
// connector with zero modes should be ignored
conn->modes.clear();
QVERIFY(gpu->updateOutputs());
QVERIFY(gpu->drmOutputs().empty());
// once it has modes, it should be detected
conn->addMode(1920, 1080, 60);
QVERIFY(gpu->updateOutputs());
QCOMPARE(gpu->drmOutputs().size(), 1);
// if an update says it has no modes anymore but it's still connected, ignore that
conn->modes.clear();
QVERIFY(gpu->updateOutputs());
QCOMPARE(gpu->drmOutputs().size(), 1);
QVERIFY(!gpu->drmOutputs().constFirst()->modes().empty());
gpu.reset();
verifyCleanup(mockGpu.get());
}
void DrmTest::testModeGeneration_data()
{
QTest::addColumn<QSize>("nativeMode");
QTest::addColumn<QVector<QSize>>("expectedModes");
QTest::newRow("2160p") << QSize(3840, 2160) << QVector<QSize>{
QSize(1600, 1200),
QSize(1280, 1024),
QSize(1024, 768),
QSize(2560, 1600),
QSize(1920, 1200),
QSize(1280, 800),
QSize(3840, 2160),
QSize(3200, 1800),
QSize(2880, 1620),
QSize(2560, 1440),
QSize(1920, 1080),
QSize(1600, 900),
QSize(1368, 768),
QSize(1280, 720),
};
QTest::newRow("1440p") << QSize(2560, 1440) << QVector<QSize>{
QSize(1600, 1200),
QSize(1280, 1024),
QSize(1024, 768),
QSize(1920, 1200),
QSize(1280, 800),
QSize(2560, 1440),
QSize(1920, 1080),
QSize(1600, 900),
QSize(1368, 768),
QSize(1280, 720),
};
QTest::newRow("1080p") << QSize(1920, 1080) << QVector<QSize>{
QSize(1280, 1024),
QSize(1024, 768),
QSize(1280, 800),
QSize(1920, 1080),
QSize(1600, 900),
QSize(1368, 768),
QSize(1280, 720),
};
QTest::newRow("2160p 21:9") << QSize(5120, 2160) << QVector<QSize>{
QSize(5120, 2160),
QSize(1600, 1200),
QSize(1280, 1024),
QSize(1024, 768),
QSize(2560, 1600),
QSize(1920, 1200),
QSize(1280, 800),
QSize(3840, 2160),
QSize(3200, 1800),
QSize(2880, 1620),
QSize(2560, 1440),
QSize(1920, 1080),
QSize(1600, 900),
QSize(1368, 768),
QSize(1280, 720),
};
QTest::newRow("1440p 21:9") << QSize(3440, 1440) << QVector<QSize>{
QSize(3440, 1440),
QSize(1600, 1200),
QSize(1280, 1024),
QSize(1024, 768),
QSize(1920, 1200),
QSize(1280, 800),
QSize(2560, 1440),
QSize(1920, 1080),
QSize(1600, 900),
QSize(1368, 768),
QSize(1280, 720),
};
QTest::newRow("1080p 21:9") << QSize(2560, 1080) << QVector<QSize>{
QSize(2560, 1080),
QSize(1280, 1024),
QSize(1024, 768),
QSize(1280, 800),
QSize(1920, 1080),
QSize(1600, 900),
QSize(1368, 768),
QSize(1280, 720),
};
}
void DrmTest::testModeGeneration()
{
const auto mockGpu = std::make_unique<MockGpu>(1, 5);
const auto conn = std::make_shared<MockConnector>(mockGpu.get());
mockGpu->connectors.push_back(conn);
const auto session = Session::create(Session::Type::Noop);
const auto backend = std::make_unique<DrmBackend>(session.get());
const auto renderBackend = backend->createQPainterBackend();
auto gpu = std::make_unique<DrmGpu>(backend.get(), "test", 1, 0);
QFETCH(QSize, nativeMode);
QFETCH(QVector<QSize>, expectedModes);
conn->modes.clear();
conn->addMode(nativeMode.width(), nativeMode.height(), 60);
QVERIFY(gpu->updateOutputs());
QCOMPARE(gpu->drmOutputs().size(), 1);
DrmOutput *const output = gpu->drmOutputs().front();
QCOMPARE(output->modes().size(), expectedModes.size());
for (const auto &mode : output->modes()) {
QVERIFY(expectedModes.contains(mode->size()));
QVERIFY(mode->size().width() <= nativeMode.width());
QVERIFY(mode->size().height() <= nativeMode.height());
QVERIFY(mode->refreshRate() <= 60000);
}
gpu.reset();
verifyCleanup(mockGpu.get());
}
QTEST_GUILESS_MAIN(DrmTest)
#include "drmTest.moc"