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drm: minor improvements to crtc rechecks

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This commit is contained in:
Vaxry 2024-07-18 22:52:57 +02:00
parent c97e83ece1
commit 9d7c69cde2
1 changed files with 19 additions and 3 deletions
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22
src/backend/drm/DRM.cpp
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@ -533,17 +533,23 @@ void Aquamarine::CDRMBackend::recheckCRTCs() {
continue;
bool assigned = false;
// try to use a connected connector
for (auto& c : recheck) {
if (!(c->possibleCrtcs & (1 << i)))
continue;
if (c->status != DRM_MODE_CONNECTED)
continue;
// deactivate old output
if (c->output && c->output->state && c->output->state->state().enabled) {
c->output->state->setEnabled(false);
c->output->commit();
}
backend->log(AQ_LOG_DEBUG, std::format("drm: slot {} crtc {} assigned to {} (old {})", i, crtcs.at(i)->id, c->szName, c->crtc ? (int)c->crtc->id : -1));
backend->log(AQ_LOG_DEBUG,
std::format("drm: connected slot {} crtc {} assigned to {}{}", i, crtcs.at(i)->id, c->szName, c->crtc ? std::format(" (old {})", c->crtc->id) : ""));
c->crtc = crtcs.at(i);
assigned = true;
changed.emplace_back(c);
@ -555,6 +561,13 @@ void Aquamarine::CDRMBackend::recheckCRTCs() {
backend->log(AQ_LOG_DEBUG, std::format("drm: slot {} crtc {} unassigned", i, crtcs.at(i)->id));
}
for (auto& c : connectors) {
if (c->status == DRM_MODE_CONNECTED)
continue;
backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} is not connected{}", c->szName, c->crtc ? std::format(", removing old crtc {}", c->crtc->id) : ""));
}
// if any connectors get a crtc and are connected, we need to rescan to assign them outputs.
bool rescan = false;
for (auto& c : changed) {
@ -597,6 +610,7 @@ bool Aquamarine::CDRMBackend::registerGPU(SP<CSessionDevice> gpu_, SP<CDRMBacken
if (E.type == CSessionDevice::AQ_SESSION_EVENT_CHANGE_HOTPLUG) {
backend->log(AQ_LOG_DEBUG, std::format("drm: Got a hotplug event for {}", gpuName));
scanConnectors();
recheckCRTCs();
} else if (E.type == CSessionDevice::AQ_SESSION_EVENT_CHANGE_LEASE) {
backend->log(AQ_LOG_DEBUG, std::format("drm: Got a lease event for {}", gpuName));
scanLeases();
@ -652,6 +666,8 @@ void Aquamarine::CDRMBackend::scanConnectors() {
conn = *it;
}
conn->status = drmConn->connection;
if (!conn->crtc) {
backend->log(AQ_LOG_DEBUG, std::format("drm: Ignoring connector {} because it has no CRTC", connectorID));
continue;
@ -659,10 +675,10 @@ void Aquamarine::CDRMBackend::scanConnectors() {
backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} connection state: {}", connectorID, (int)drmConn->connection));
if (conn->status == DRM_MODE_DISCONNECTED && drmConn->connection == DRM_MODE_CONNECTED) {
if (conn->status == DRM_MODE_CONNECTED && !conn->output) {
backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} connected", conn->szName));
conn->connect(drmConn);
} else if (conn->status == DRM_MODE_CONNECTED && drmConn->connection == DRM_MODE_DISCONNECTED) {
} else if (conn->status != DRM_MODE_CONNECTED && conn->output) {
backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} disconnected", conn->szName));
conn->disconnect();
}