[PATCH v8 6/6] win32u: Read mode from the registry if GetCurrentDisplaySettings fails.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/win32u/sysparams.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 41fd2780da3..107d822d6fb 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -544,12 +544,26 @@ static BOOL adapter_get_registry_settings( const struct adapter *adapter, DEVMOD

static BOOL adapter_get_current_settings( const struct adapter *adapter, DEVMODEW *mode )
 {
+    HANDLE mutex;
+    HKEY hkey;
     BOOL ret;

if (adapter->dev.state_flags & DISPLAY_DEVICE_PRIMARY_DEVICE) mode->dmDisplayFlags |= WINE_DM_PRIMARY_DEVICE;
     ret = user_driver->pGetCurrentDisplaySettings( adapter->dev.device_name, mode );
     mode->dmDisplayFlags &= ~WINE_DM_PRIMARY_DEVICE;
+    if (ret) return ret;

+    mutex = get_display_device_init_mutex();
+
+    if (!config_key && !(config_key = reg_open_key( NULL, config_keyW, sizeof(config_keyW) ))) ret = FALSE;
+    else if (!(hkey = reg_open_key( config_key, adapter->config_key, lstrlenW( adapter->config_key ) * sizeof(WCHAR) ))) ret = FALSE;
+    else
+    {
+        ret = read_adapter_mode( hkey, ENUM_CURRENT_SETTINGS, mode );
+        NtClose( hkey );
+    }
+
+    release_display_device_init_mutex( mutex );
     return ret;
 }