diff --git a/headers/private/graphics/intel_extreme/intel_extreme.h b/headers/private/graphics/intel_extreme/intel_extreme.h
index bc58da1a2d..581b59f6cc 100644
--- a/headers/private/graphics/intel_extreme/intel_extreme.h
+++ b/headers/private/graphics/intel_extreme/intel_extreme.h
@@ -55,6 +55,7 @@
 #define INTEL_GROUP_CML		(INTEL_FAMILY_LAKE | 0x0080)  // CometLake
 #define INTEL_GROUP_JSL		(INTEL_FAMILY_LAKE | 0x0100)  // JasperLake
 #define INTEL_GROUP_TGL		(INTEL_FAMILY_LAKE | 0x0200)  // TigerLake
+#define INTEL_GROUP_ALD		(INTEL_FAMILY_LAKE | 0x0400)  // AlderLake
 // models
 #define INTEL_TYPE_SERVER	0x0004
 #define INTEL_TYPE_MOBILE	0x0008
@@ -96,6 +97,7 @@
 #define INTEL_MODEL_JSL		(INTEL_GROUP_JSL)
 #define INTEL_MODEL_JSLM	(INTEL_GROUP_JSL | INTEL_TYPE_MOBILE)
 #define INTEL_MODEL_TGLM	(INTEL_GROUP_TGL | INTEL_TYPE_MOBILE)
+#define INTEL_MODEL_ALDM	(INTEL_GROUP_ALD | INTEL_TYPE_MOBILE)
 
 #define INTEL_PCH_DEVICE_ID_MASK	0xff80
 #define INTEL_PCH_IBX_DEVICE_ID		0x3b00
@@ -124,6 +126,7 @@
 #define INTEL_PCH_ADP2_DEVICE_ID	0x5180
 #define INTEL_PCH_ADP3_DEVICE_ID	0x7a00
 #define INTEL_PCH_ADP4_DEVICE_ID	0x5480
+#define INTEL_PCH_ADP5_DEVICE_ID	0x4600
 #define INTEL_PCH_P2X_DEVICE_ID		0x7100
 #define INTEL_PCH_P3X_DEVICE_ID		0x7000
 
@@ -233,7 +236,7 @@ struct DeviceType {
 			return 8;
 		if (InGroup(INTEL_GROUP_JSL))
 			return 11;
-		if (InGroup(INTEL_GROUP_TGL))
+		if (InGroup(INTEL_GROUP_TGL) || InGroup(INTEL_GROUP_ALD))
 			return 12;
 		if (InFamily(INTEL_FAMILY_LAKE))
 			return 9;
diff --git a/src/add-ons/kernel/busses/agp_gart/intel_gart.cpp b/src/add-ons/kernel/busses/agp_gart/intel_gart.cpp
index 6df0d50963..a833bceb15 100644
--- a/src/add-ons/kernel/busses/agp_gart/intel_gart.cpp
+++ b/src/add-ons/kernel/busses/agp_gart/intel_gart.cpp
@@ -237,6 +237,9 @@ const struct supported_device {
 	{0x9a36, 0x9a68, INTEL_MODEL_TGLM, "TigerLake-LP GT1"},
 	{0x9a26, 0x9a60, INTEL_MODEL_TGLM, "TigerLake-LP GT1"},
 	{0x9a26, 0x9a68, INTEL_MODEL_TGLM, "TigerLake-LP GT1"},
+	
+	{0x4621, 0x46a6, INTEL_MODEL_ALDM, "Alder Lake-P GT2"},
+	{0x4621, 0x46d1, INTEL_MODEL_ALDM, "Alder Lake-N GT2"},
 };
 
 struct intel_info {
diff --git a/src/add-ons/kernel/drivers/graphics/intel_extreme/driver.cpp b/src/add-ons/kernel/drivers/graphics/intel_extreme/driver.cpp
index f77168eebc..8f962d536c 100644
--- a/src/add-ons/kernel/drivers/graphics/intel_extreme/driver.cpp
+++ b/src/add-ons/kernel/drivers/graphics/intel_extreme/driver.cpp
@@ -208,6 +208,10 @@ const struct supported_device {
 	{0x9a60, INTEL_MODEL_TGLM,	"TigerLake"},
 	{0x9a68, INTEL_MODEL_TGLM,	"TigerLake"},
 	{0x9a70, INTEL_MODEL_TGLM,	"TigerLake"},
+
+	{0x46a6, INTEL_MODEL_ALDM,  "Alder Lake-P GT2"},
+	{0x46d1, INTEL_MODEL_ALDM,  "Alder Lake-N"},
+
 };
 
 int32 api_version = B_CUR_DRIVER_API_VERSION;
@@ -323,6 +327,7 @@ detect_intel_pch()
 			case INTEL_PCH_ADP2_DEVICE_ID:
 			case INTEL_PCH_ADP3_DEVICE_ID:
 			case INTEL_PCH_ADP4_DEVICE_ID:
+			case INTEL_PCH_ADP5_DEVICE_ID:
 				ERROR("%s: Found Alder Lake PCH\n", __func__);
 				return INTEL_PCH_ADP;
 		}
diff --git a/src/add-ons/kernel/drivers/graphics/intel_extreme/intel_extreme.cpp b/src/add-ons/kernel/drivers/graphics/intel_extreme/intel_extreme.cpp
index 8f8c575ef9..4cdd971f5b 100644
--- a/src/add-ons/kernel/drivers/graphics/intel_extreme/intel_extreme.cpp
+++ b/src/add-ons/kernel/drivers/graphics/intel_extreme/intel_extreme.cpp
@@ -518,7 +518,7 @@ init_interrupt_handler(intel_info &info)
 					write32(info, GEN11_TBT_HOTPLUG_CTL, 0);
 
 					if (info.shared_info->pch_info >= INTEL_PCH_ICP) {
-						if (info.shared_info->pch_info <= INTEL_PCH_TGP)
+						if (info.shared_info->pch_info <= INTEL_PCH_ADP)
 							write32(info, SHPD_FILTER_CNT, SHPD_FILTER_CNT_500_ADJ);
 						read32(info, SDEIMR);
 						write32(info, SDEIMR, 0x3f023f07);