opi5max: specify all supported display connectors

Author: amazingfate

edk2-rockchip/Platform/OrangePi/OrangePi5Max/Library/RockchipPlatformLib/RockchipPlatformLib.c

@@ -302,6 +302,36 @@ PciePeReset (
   }
 }
 
+VOID
+ EFIAPI
+ HdmiTxIomux (
+   IN UINT32  Id
+   )
+ {
+   switch (Id) {
+     case 0:
+       GpioPinSetFunction (4, GPIO_PIN_PC1, 5); // hdmim0_tx0_cec
+       GpioPinSetPull (4, GPIO_PIN_PC1, GPIO_PIN_PULL_NONE);
+       GpioPinSetFunction (1, GPIO_PIN_PA5, 5); // hdmim0_tx0_hpd
+       GpioPinSetPull (1, GPIO_PIN_PA5, GPIO_PIN_PULL_NONE);
+       GpioPinSetFunction (4, GPIO_PIN_PB7, 5); // hdmim0_tx0_scl
+       GpioPinSetPull (4, GPIO_PIN_PB7, GPIO_PIN_PULL_NONE);
+       GpioPinSetFunction (4, GPIO_PIN_PC0, 5); // hdmim0_tx0_sda
+       GpioPinSetPull (4, GPIO_PIN_PC0, GPIO_PIN_PULL_NONE);
+       break;
+     case 1:
+       GpioPinSetFunction (2, GPIO_PIN_PC4, 4); // hdmim0_tx1_cec
+       GpioPinSetPull (2, GPIO_PIN_PC4, GPIO_PIN_PULL_NONE);
+       GpioPinSetFunction (1, GPIO_PIN_PA6, 5); // hdmim0_tx1_hpd
+       GpioPinSetPull (1, GPIO_PIN_PA6, GPIO_PIN_PULL_NONE);
+       GpioPinSetFunction (3, GPIO_PIN_PC6, 5); // hdmim1_tx1_scl
+       GpioPinSetPull (3, GPIO_PIN_PC6, GPIO_PIN_PULL_NONE);
+       GpioPinSetFunction (3, GPIO_PIN_PC5, 5); // hdmim1_tx1_sda
+       GpioPinSetPull (3, GPIO_PIN_PC5, GPIO_PIN_PULL_NONE);
+       break;
+   }
+}
+
 PWM_DATA  pwm_data = {
   .ControllerID = PWM_CONTROLLER0,
   .ChannelID    = PWM_CHANNEL3,

edk2-rockchip/Platform/OrangePi/OrangePi5Max/OrangePi5Max.dsc

@@ -102,6 +102,14 @@
   #
   gRK3588TokenSpaceGuid.PcdHasOnBoardFanOutput|TRUE
 
+#
+# Display support flags and default values
+#
+   gRK3588TokenSpaceGuid.PcdDisplayConnectors|{CODE({
+     VOP_OUTPUT_IF_HDMI0,
+     VOP_OUTPUT_IF_HDMI1
+   })}
+
 ################################################################################
 #
 # Components Section - list of all EDK II Modules needed by this Platform.