EFI_CONSOLE_CONTROL_PROTOCOL provide the SetMode interface to switch mode between...

[mirror_edk2.git] / EdkModulePkg / Universal / Console / ConSplitter / Dxe / ConSplitterGraphics.c

diff --git a/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c b/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
index 4bc15e6681688a040d823b6429f639fc6b35c37f..946835ed2971ac1d3309d82460ea8fb248f2725e 100644 (file)
--- a/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
+++ b/EdkModulePkg/Universal/Console/ConSplitter/Dxe/ConSplitterGraphics.c
@@ -116,6 +116,13 @@ ConSpliterConsoleControlSetMode (
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
+  //\r
+  // Judge current mode with wanted mode at first.\r
+  // \r
+  if (Private->ConsoleOutputMode == Mode) {\r
+    return EFI_SUCCESS;\r
+  }\r
+\r
   Supported   = FALSE;\r
   TextAndGop  = &Private->TextOutList[0];\r
   for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++, TextAndGop++) {\r
@@ -355,6 +362,7 @@ Routine Description:
   return ReturnStatus;\r
 }\r
 \r
+STATIC\r
 EFI_STATUS\r
 DevNullGraphicsOutputBlt (\r
   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA                *Private,\r