diff --git a/Changelog.md b/Changelog.md
index 24f3d4d9..fedcf4f4 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -3,6 +3,8 @@ WhateverGreen Changelog
 #### v1.4.9
 - Added per-GPU disabling API: inject `disable-gpu` to disable
 - Added per-GPU disabling kernel version specification: inject `disable-gpu-min` / `disable-gpu-max` to select kernel version to disable (inclusive range)
+- Added IGPU disabling API: inject `disable-gpu` to disable or use `-wegnoigpu` boot argument
+- Optimised Rocket Lake startup as IGPU is unsupported
 
 #### v1.4.8
 - Fixed debug messages from cursor manipulation with NVIDIA GPUs on macOS 11
diff --git a/README.md b/README.md
index 09d34e6b..e241b100 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,8 @@ Read [FAQs](https://github.com/acidanthera/WhateverGreen/blob/master/Manual/) an
 - `-wegdbg` to enable debug printing (available in DEBUG binaries).
 - `-wegoff` to disable WhateverGreen.
 - `-wegbeta` to enable WhateverGreen on unsupported OS versions (11 and below are enabled by default).
-- `-wegnoegpu` to disable external GPU (or add `disable-external-gpu` property to IGPU).
+- `-wegnoegpu` to disable all external GPUs (or add `disable-gpu` property to each GFX0).
+- `-wegnoigpu` to disable internal GPU (or add `disable-gpu` property to IGPU)
 - `-radvesa` to disable ATI/AMD video acceleration completely.
 - `-rad24` to enforce 24-bit display mode.
 - `-raddvi` to enable DVI transmitter correction (required for 290X, 370, etc.).
diff --git a/WhateverGreen/kern_igfx.cpp b/WhateverGreen/kern_igfx.cpp
index b0487554..b162616c 100644
--- a/WhateverGreen/kern_igfx.cpp
+++ b/WhateverGreen/kern_igfx.cpp
@@ -157,6 +157,9 @@ void IGFX::init() {
 			modRPSControlPatch.available = true;
 			modTypeCCheckDisabler.enabled = true;
 			break;
+		case CPUInfo::CpuGeneration::RocketLake:
+			gPlatformGraphicsSupported = false;
+			break;
 		default:
 			SYSLOG("igfx", "found an unsupported processor 0x%X:0x%X, please report this!", family, model);
 			break;
@@ -187,7 +190,9 @@ void IGFX::processKernel(KernelPatcher &patcher, DeviceInfo *info) {
 
 	auto cpuGeneration = BaseDeviceInfo::get().cpuGeneration;
 
-	if (info->videoBuiltin) {
+	if (info->videoBuiltin && !gPlatformGraphicsSupported) {
+		switchOffGraphics = switchOffFramebuffer = true;
+	} else if (info->videoBuiltin) {
 		applyFramebufferPatch = loadPatchesFromDevice(info->videoBuiltin, info->reportedFramebufferId);
 
 #ifdef DEBUG
diff --git a/WhateverGreen/kern_igfx.hpp b/WhateverGreen/kern_igfx.hpp
index 6cadd85c..84d74765 100644
--- a/WhateverGreen/kern_igfx.hpp
+++ b/WhateverGreen/kern_igfx.hpp
@@ -200,6 +200,11 @@ class IGFX {
 	 */
 	bool gPlatformListIsSNB {false};
 
+	/**
+	 *  IGPU support
+	 */
+	bool gPlatformGraphicsSupported {true};
+
 	/**
 	 *  Private self instance for callbacks
 	 */