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Diffstat (limited to 'src/platformsupport/kmsconvenience/qkmsdevice.cpp')
-rw-r--r--src/platformsupport/kmsconvenience/qkmsdevice.cpp159
1 files changed, 159 insertions, 0 deletions
diff --git a/src/platformsupport/kmsconvenience/qkmsdevice.cpp b/src/platformsupport/kmsconvenience/qkmsdevice.cpp
index a5895559e6..ef81f6162d 100644
--- a/src/platformsupport/kmsconvenience/qkmsdevice.cpp
+++ b/src/platformsupport/kmsconvenience/qkmsdevice.cpp
@@ -366,6 +366,25 @@ QPlatformScreen *QKmsDevice::createScreenForConnector(drmModeResPtr resources,
if (!cloneSource.isEmpty())
qCDebug(qLcKmsDebug) << "Output" << connectorName << " clones output " << cloneSource;
+ const QByteArray fbsize = userConnectorConfig.value(QStringLiteral("size")).toByteArray().toLower();
+ QSize framebufferSize;
+ framebufferSize.setWidth(modes[selected_mode].hdisplay);
+ framebufferSize.setHeight(modes[selected_mode].vdisplay);
+
+#if QT_CONFIG(drm_atomic)
+ if (hasAtomicSupport()) {
+ if (sscanf(fbsize.constData(), "%dx%d", &framebufferSize.rwidth(), &framebufferSize.rheight()) != 2) {
+ qWarning("Framebuffer size format is invalid.");
+ }
+ } else {
+ qWarning("Setting framebuffer size is only available with DRM atomic API");
+ }
+#else
+ if (fbsize.size())
+ qWarning("Setting framebuffer size is only available with DRM atomic API");
+#endif
+ qCDebug(qLcKmsDebug) << "Output" << connectorName << "framebuffer size is " << framebufferSize;
+
QKmsOutput output;
output.name = QString::fromUtf8(connectorName);
output.connector_id = connector->connector_id;
@@ -385,6 +404,17 @@ QPlatformScreen *QKmsDevice::createScreenForConnector(drmModeResPtr resources,
output.forced_plane_set = false;
output.drm_format = drmFormat;
output.clone_source = cloneSource;
+ output.size = framebufferSize;
+
+#if QT_CONFIG(drm_atomic)
+ if (drmModeCreatePropertyBlob(m_dri_fd, &modes[selected_mode], sizeof(drmModeModeInfo),
+ &output.mode_blob_id) != 0) {
+ qCDebug(qLcKmsDebug) << "Failed to create mode blob for mode" << selected_mode;
+ }
+
+ parseConnectorProperties(output.connector_id, &output);
+ parseCrtcProperties(output.crtc_id, &output);
+#endif
QString planeListStr;
for (const QKmsPlane &plane : qAsConst(m_planes)) {
@@ -392,6 +422,8 @@ QPlatformScreen *QKmsDevice::createScreenForConnector(drmModeResPtr resources,
output.available_planes.append(plane);
planeListStr.append(QString::number(plane.id));
planeListStr.append(QLatin1Char(' '));
+ if (plane.type == QKmsPlane::PrimaryPlane)
+ output.eglfs_plane = (QKmsPlane*)&plane;
}
}
qCDebug(qLcKmsDebug, "Output %s can use %d planes: %s",
@@ -412,6 +444,12 @@ QPlatformScreen *QKmsDevice::createScreenForConnector(drmModeResPtr resources,
output.forced_plane_id = plane->plane_id;
qCDebug(qLcKmsDebug, "Forcing plane index %d, plane id %u (belongs to crtc id %u)",
idx, plane->plane_id, plane->crtc_id);
+
+ for (const QKmsPlane &kmsplane : qAsConst(m_planes)) {
+ if (kmsplane.id == output.forced_plane_id)
+ output.eglfs_plane = (QKmsPlane*)&kmsplane;
+ }
+
drmModeFreePlane(plane);
}
} else {
@@ -420,6 +458,9 @@ QPlatformScreen *QKmsDevice::createScreenForConnector(drmModeResPtr resources,
}
}
+ if (output.eglfs_plane)
+ qCDebug(qLcKmsDebug, "Output eglfs plane is: %d", output.eglfs_plane->id);
+
m_crtc_allocator |= (1 << output.crtc_index);
vinfo->output = output;
@@ -464,6 +505,11 @@ QKmsDevice::QKmsDevice(QKmsScreenConfig *screenConfig, const QString &path)
: m_screenConfig(screenConfig)
, m_path(path)
, m_dri_fd(-1)
+ , m_has_atomic_support(false)
+#if QT_CONFIG(drm_atomic)
+ , m_atomic_request(nullptr)
+ , m_previous_request(nullptr)
+#endif
, m_crtc_allocator(0)
{
if (m_path.isEmpty()) {
@@ -478,6 +524,9 @@ QKmsDevice::QKmsDevice(QKmsScreenConfig *screenConfig, const QString &path)
QKmsDevice::~QKmsDevice()
{
+#if QT_CONFIG(drm_atomic)
+ atomicReset();
+#endif
}
struct OrderedScreen
@@ -522,6 +571,14 @@ void QKmsDevice::createScreens()
drmSetClientCap(m_dri_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
+#if QT_CONFIG(drm_atomic)
+ // check atomic support
+ m_has_atomic_support = !drmSetClientCap(m_dri_fd, DRM_CLIENT_CAP_ATOMIC, 1)
+ && qEnvironmentVariableIntValue("QT_QPA_EGLFS_KMS_ATOMIC");
+ if (m_has_atomic_support)
+ qCDebug(qLcKmsDebug) << "Atomic Support found";
+#endif
+
drmModeResPtr resources = drmModeGetResources(m_dri_fd);
if (!resources) {
qErrnoWarning(errno, "drmModeGetResources failed");
@@ -747,6 +804,28 @@ void QKmsDevice::discoverPlanes()
plane.availableRotations |= QKmsPlane::Rotation(1 << prop->enums[i].value);
}
plane.rotationPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "crtc_id")) {
+ plane.crtcPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "fb_id")) {
+ plane.framebufferPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "src_w")) {
+ plane.srcwidthPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "src_h")) {
+ plane.srcheightPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "crtc_w")) {
+ plane.crtcwidthPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "crtc_h")) {
+ plane.crtcheightPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "src_x")) {
+ plane.srcXPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "src_y")) {
+ plane.srcYPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "crtc_x")) {
+ plane.crtcXPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "crtc_y")) {
+ plane.crtcYPropertyId = prop->prop_id;
+ } else if (!strcasecmp(prop->name, "zpos")) {
+ plane.zposPropertyId = prop->prop_id;
}
});
@@ -773,6 +852,86 @@ void QKmsDevice::setFd(int fd)
m_dri_fd = fd;
}
+
+bool QKmsDevice::hasAtomicSupport()
+{
+ return m_has_atomic_support;
+}
+
+#if QT_CONFIG(drm_atomic)
+drmModeAtomicReq * QKmsDevice::atomic_request()
+{
+ if (!m_atomic_request && m_has_atomic_support)
+ m_atomic_request = drmModeAtomicAlloc();
+
+ return m_atomic_request;
+}
+
+bool QKmsDevice::atomicCommit(void *user_data)
+{
+ if (m_atomic_request) {
+ int ret = drmModeAtomicCommit(m_dri_fd, m_atomic_request,
+ DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_ATOMIC_ALLOW_MODESET, user_data);
+
+ if (ret) {
+ qWarning("Failed to commit atomic request (code=%d)", ret);
+ return false;
+ }
+
+ m_previous_request = m_atomic_request;
+ m_atomic_request = nullptr;
+
+ return true;
+ }
+
+ return false;
+}
+
+void QKmsDevice::atomicReset()
+{
+ if (m_previous_request) {
+ drmModeAtomicFree(m_previous_request);
+ m_previous_request = nullptr;
+ }
+}
+#endif
+
+void QKmsDevice::parseConnectorProperties(uint32_t connectorId, QKmsOutput *output)
+{
+ drmModeObjectPropertiesPtr objProps = drmModeObjectGetProperties(m_dri_fd, connectorId, DRM_MODE_OBJECT_CONNECTOR);
+ if (!objProps) {
+ qCDebug(qLcKmsDebug, "Failed to query connector %d object properties", connectorId);
+ return;
+ }
+
+ enumerateProperties(objProps, [output](drmModePropertyPtr prop, quint64 value) {
+ Q_UNUSED(value);
+ if (!strcasecmp(prop->name, "crtc_id"))
+ output->crtcIdPropertyId = prop->prop_id;
+ });
+
+ drmModeFreeObjectProperties(objProps);
+}
+
+void QKmsDevice::parseCrtcProperties(uint32_t crtcId, QKmsOutput *output)
+{
+ drmModeObjectPropertiesPtr objProps = drmModeObjectGetProperties(m_dri_fd, crtcId, DRM_MODE_OBJECT_CRTC);
+ if (!objProps) {
+ qCDebug(qLcKmsDebug, "Failed to query crtc %d object properties", crtcId);
+ return;
+ }
+
+ enumerateProperties(objProps, [output](drmModePropertyPtr prop, quint64 value) {
+ Q_UNUSED(value)
+ if (!strcasecmp(prop->name, "mode_id"))
+ output->modeIdPropertyId = prop->prop_id;
+ else if (!strcasecmp(prop->name, "active"))
+ output->activePropertyId = prop->prop_id;
+ });
+
+ drmModeFreeObjectProperties(objProps);
+}
+
QKmsScreenConfig *QKmsDevice::screenConfig() const
{
return m_screenConfig;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 11:46:15 +0000