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drm: avoid crashes on connecting a null crtc

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This commit is contained in:
Vaxry 2024-08-16 09:06:27 +02:00
parent e947af7894
commit 4f6642808b
2 changed files with 27 additions and 19 deletions
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1
include/aquamarine/backend/DRM.hpp
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@ -265,6 +265,7 @@ namespace Aquamarine {
void applyCommit(const SDRMConnectorCommitData& data); void applyCommit(const SDRMConnectorCommitData& data);
void rollbackCommit(const SDRMConnectorCommitData& data); void rollbackCommit(const SDRMConnectorCommitData& data);
void onPresent(); void onPresent();
void recheckCRTCProps();
Hyprutils::Memory::CSharedPointer<CDRMOutput> output; Hyprutils::Memory::CSharedPointer<CDRMOutput> output;
Hyprutils::Memory::CWeakPointer<CDRMBackend> backend; Hyprutils::Memory::CWeakPointer<CDRMBackend> backend;

35
src/backend/drm/DRM.cpp
View file

@ -713,10 +713,8 @@ void Aquamarine::CDRMBackend::scanConnectors() {
conn->status = drmConn->connection; conn->status = drmConn->connection;
// if (!conn->crtc) { if (conn->crtc)
// backend->log(AQ_LOG_DEBUG, std::format("drm: Ignoring connector {} because it has no CRTC", connectorID)); conn->recheckCRTCProps();
// continue;
// }
backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} connection state: {}", connectorID, (int)drmConn->connection)); backend->log(AQ_LOG_DEBUG, std::format("drm: Connector {} connection state: {}", connectorID, (int)drmConn->connection));
@ -1157,6 +1155,23 @@ void Aquamarine::SDRMConnector::parseEDID(std::vector<uint8_t> data) {
di_info_destroy(info); di_info_destroy(info);
} }
void Aquamarine::SDRMConnector::recheckCRTCProps() {
if (!crtc || !output)
return;
uint64_t prop = 0;
canDoVrr = props.vrr_capable && crtc->props.vrr_enabled && getDRMProp(backend->gpu->fd, id, props.vrr_capable, &prop) && prop;
output->vrrCapable = canDoVrr;
backend->backend->log(AQ_LOG_DEBUG,
std::format("drm: connector {} crtc is {} of vrr: props.vrr_capable -> {}, crtc->props.vrr_enabled -> {}", szName, (canDoVrr ? "capable" : "incapable"),
props.vrr_capable, crtc->props.vrr_enabled));
output->supportsExplicit = backend->drmProps.supportsTimelines && crtc->props.out_fence_ptr && crtc->primary->props.in_fence_fd;
backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Explicit sync {}", output->supportsExplicit ? "supported" : "unsupported"));
}
void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) { void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) {
if (output) { if (output) {
backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Not connecting connector {} because it's already connected", szName)); backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Not connecting connector {} because it's already connected", szName));
@ -1228,13 +1243,6 @@ void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) {
output->nonDesktop = prop; output->nonDesktop = prop;
} }
canDoVrr = props.vrr_capable && crtc->props.vrr_enabled && getDRMProp(backend->gpu->fd, id, props.vrr_capable, &prop) && prop;
output->vrrCapable = canDoVrr;
backend->backend->log(AQ_LOG_DEBUG,
std::format("drm: crtc is {} of vrr: props.vrr_capable -> {}, crtc->props.vrr_enabled -> {}", (canDoVrr ? "capable" : "incapable"), props.vrr_capable,
crtc->props.vrr_enabled));
maxBpcBounds.fill(0); maxBpcBounds.fill(0);
if (props.max_bpc && !introspectDRMPropRange(backend->gpu->fd, props.max_bpc, maxBpcBounds.data(), &maxBpcBounds[1])) if (props.max_bpc && !introspectDRMPropRange(backend->gpu->fd, props.max_bpc, maxBpcBounds.data(), &maxBpcBounds[1]))
@ -1256,14 +1264,13 @@ void Aquamarine::SDRMConnector::connect(drmModeConnector* connector) {
output->serial = serial; output->serial = serial;
output->description = std::format("{} {} {} ({})", make, model, serial, szName); output->description = std::format("{} {} {} ({})", make, model, serial, szName);
output->needsFrame = true; output->needsFrame = true;
output->supportsExplicit = backend->drmProps.supportsTimelines && crtc->props.out_fence_ptr && crtc->primary->props.in_fence_fd;
backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Explicit sync {}", output->supportsExplicit ? "supported" : "unsupported"));
backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Description {}", output->description)); backend->backend->log(AQ_LOG_DEBUG, std::format("drm: Description {}", output->description));
status = DRM_MODE_CONNECTED; status = DRM_MODE_CONNECTED;
recheckCRTCProps();
if (!backend->backend->ready) if (!backend->backend->ready)
return; return;