[idd] recovery: restore fallback display

Add a protocol-independent recovery channel outside LGMP so clients can
request a usable guest display even when transport versions differ.

Synchronize recovery state with the helper across driver restarts and
restore the configured topology without persisting temporary changes.
This commit is contained in:
Geoffrey McRae
2026-08-11 23:31:11 +10:00
parent 9898e9bcec
commit bacf376305
18 changed files with 1290 additions and 57 deletions

View File

@@ -23,7 +23,7 @@
#include "display/CMonitorContext.h"
#include "CDebug.h"
void CMonitorManager::Create(UINT connectorIndex, IDDCX_ADAPTER adapter,
bool CMonitorManager::Create(UINT connectorIndex, IDDCX_ADAPTER adapter,
std::vector<BYTE> edid, CDeviceContext * owner)
{
DEBUG_INFO("Creating monitor on connector %u", connectorIndex);
@@ -38,7 +38,7 @@ void CMonitorManager::Create(UINT connectorIndex, IDDCX_ADAPTER adapter,
if (haveMonitor)
{
DEBUG_WARN("FinishInit skipped: a monitor already exists");
return;
return false;
}
WDF_OBJECT_ATTRIBUTES attr;
@@ -61,7 +61,7 @@ void CMonitorManager::Create(UINT connectorIndex, IDDCX_ADAPTER adapter,
if (FAILED(hr))
{
DEBUG_ERROR_HR(hr, "Failed to create the monitor container ID");
return;
return false;
}
IDARG_IN_MONITORCREATE create = {};
@@ -73,7 +73,7 @@ void CMonitorManager::Create(UINT connectorIndex, IDDCX_ADAPTER adapter,
if (!NT_SUCCESS(status))
{
DEBUG_ERROR_HR(status, "IddCxMonitorCreate Failed");
return;
return false;
}
DEBUG_INFO("Monitor object created (%p)", createOut.MonitorObject);
@@ -91,10 +91,11 @@ void CMonitorManager::Create(UINT connectorIndex, IDDCX_ADAPTER adapter,
if (FAILED(status))
{
DEBUG_ERROR_HR(status, "IddCxMonitorArrival Failed");
return;
return false;
}
DEBUG_INFO("Monitor arrival reported successfully");
return true;
}
CMonitorManager::ReplugAction CMonitorManager::Replug()