Consolidate intel vga int15 hooks

Change-Id: I9366dded98bf15f6da44ce893dd10698ba09fd55
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6820
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

60 files changed, 97 insertions, 2298 deletions

diff --git a/src/mainboard/apple/macbook21/Kconfig b/src/mainboard/apple/macbook21/Kconfig
index 871c16c737..a01d6b16ca 100644
--- a/src/mainboard/apple/macbook21/Kconfig
+++ b/src/mainboard/apple/macbook21/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_MP_TABLE
 	select BOARD_ROMSIZE_KB_2048
 	select CHANNEL_XOR_RANDOMIZATION
+	select INTEL_INT15
 	select HAVE_ACPI_TABLES
 	select HAVE_ACPI_RESUME
 	select USE_OPTION_TABLE
diff --git a/src/mainboard/apple/macbook21/mainboard.c b/src/mainboard/apple/macbook21/mainboard.c
index b537f78175..846914cae2 100644
--- a/src/mainboard/apple/macbook21/mainboard.c
+++ b/src/mainboard/apple/macbook21/mainboard.c
@@ -33,42 +33,11 @@
 #include <pc80/mc146818rtc.h>
 #include <arch/x86/include/arch/acpigen.h>
 #include <smbios.h>
-#include <x86emu/x86emu.h>
+#include <drivers/intel/gma/int15.h>
 #include <device/azalia_device.h>
 #include "hda_verb.h"
 #define PANEL INT15_5F35_CL_DISPLAY_DEFAULT
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-static int int15_handler(void)
-{
-	/* The right way to do this is to move this handler code into
-	 * the mainboard or northbridge code.
-	 * TODO: completely move to mainboards / chipsets.
-	 */
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		X86_CL = PANEL;
-		break;
-	case 0x5f40: /* Boot Panel Type */
-		X86_AX = 0x005f; // Success
-		X86_CL = 3;
-		printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
-		break;
-	default:
-		/* Interrupt was not handled */
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 int get_cst_entries(acpi_cstate_t **entries)
 {
 	return 0;
@@ -76,10 +45,7 @@ int get_cst_entries(acpi_cstate_t **entries)
 
 static void mainboard_init(device_t dev)
 {
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, PANEL, 3);
 }
 
 static void mainboard_enable(device_t dev)
diff --git a/src/mainboard/google/bolt/Kconfig b/src/mainboard/google/bolt/Kconfig
index 25c85d0dd3..7a756ccde7 100644
--- a/src/mainboard/google/bolt/Kconfig
+++ b/src/mainboard/google/bolt/Kconfig
@@ -18,6 +18,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select MAINBOARD_HAS_CHROMEOS
 	select EXTERNAL_MRC_BLOB
 	select MONOTONIC_TIMER_MSR
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/bolt/mainboard.c b/src/mainboard/google/bolt/mainboard.c
index dd5dc03f90..961f58d18f 100644
--- a/src/mainboard/google/bolt/mainboard.c
+++ b/src/mainboard/google/bolt/mainboard.c
@@ -26,9 +26,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -46,92 +44,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -187,10 +99,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = mainboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/butterfly/Kconfig b/src/mainboard/google/butterfly/Kconfig
index dda4e7c21d..08870fa6a8 100644
--- a/src/mainboard/google/butterfly/Kconfig
+++ b/src/mainboard/google/butterfly/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
 	select MAINBOARD_HAS_CHROMEOS
+	select INTEL_INT15
 
 	# Workaround for EC/KBC IRQ1.
 	select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/google/butterfly/mainboard.c b/src/mainboard/google/butterfly/mainboard.c
index 19e7926667..909ba8c0aa 100644
--- a/src/mainboard/google/butterfly/mainboard.c
+++ b/src/mainboard/google/butterfly/mainboard.c
@@ -24,9 +24,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -196,91 +194,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-	       __func__, X86_AX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;	/* Int-LVDS */
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-			       X86_CH);
-			break;
-		}
-		break;
-
-	default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -380,10 +293,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = butterfly_onboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/falco/Kconfig b/src/mainboard/google/falco/Kconfig
index 9a62efa147..3323fc2220 100644
--- a/src/mainboard/google/falco/Kconfig
+++ b/src/mainboard/google/falco/Kconfig
@@ -19,6 +19,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select EXTERNAL_MRC_BLOB
 	select MONOTONIC_TIMER_MSR
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/falco/mainboard.c b/src/mainboard/google/falco/mainboard.c
index 824b1ff3b4..acb975042b 100644
--- a/src/mainboard/google/falco/mainboard.c
+++ b/src/mainboard/google/falco/mainboard.c
@@ -26,9 +26,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -46,92 +44,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -190,10 +102,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = mainboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/panther/Kconfig b/src/mainboard/google/panther/Kconfig
index db44396961..e96746f665 100644
--- a/src/mainboard/google/panther/Kconfig
+++ b/src/mainboard/google/panther/Kconfig
@@ -17,6 +17,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select MAINBOARD_HAS_CHROMEOS
 	select EXTERNAL_MRC_BLOB
 	select MONOTONIC_TIMER_MSR
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/panther/mainboard.c b/src/mainboard/google/panther/mainboard.c
index e4fd95b0bd..60baf99c8d 100644
--- a/src/mainboard/google/panther/mainboard.c
+++ b/src/mainboard/google/panther/mainboard.c
@@ -32,8 +32,8 @@
 #include <device/pci_ops.h>
 #include <pc80/mc146818rtc.h>
 #include <southbridge/intel/lynxpoint/pch.h>
-#include <x86emu/x86emu.h>
 #include <device/azalia_device.h>
+#include <drivers/intel/gma/int15.h>
 #include "hda_verb.h"
 #include "onboard.h"
 
@@ -44,92 +44,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-		__func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-				"Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-	default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif /* CONFIG_VGA_ROM_RUN */
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -152,10 +66,7 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/parrot/Kconfig b/src/mainboard/google/parrot/Kconfig
index cd7faa0d2e..ad8c6208dc 100644
--- a/src/mainboard/google/parrot/Kconfig
+++ b/src/mainboard/google/parrot/Kconfig
@@ -12,6 +12,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
 	select MAINBOARD_HAS_CHROMEOS
+	select INTEL_INT15
 
 	# Workaround for EC/KBC IRQ1.
 	select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/google/parrot/mainboard.c b/src/mainboard/google/parrot/mainboard.c
index 3e0c05268b..440596f730 100644
--- a/src/mainboard/google/parrot/mainboard.c
+++ b/src/mainboard/google/parrot/mainboard.c
@@ -24,9 +24,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -50,91 +48,6 @@ void mainboard_suspend_resume(void)
 	outb(0xe1, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-			__func__, X86_AX);
-
-	switch(X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00; /* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000; /* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003; /* eDP */
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-				X86_CH);
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -187,10 +100,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = parrot_onboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/peppy/Kconfig b/src/mainboard/google/peppy/Kconfig
index 548cd17cd7..2343b8ddb1 100644
--- a/src/mainboard/google/peppy/Kconfig
+++ b/src/mainboard/google/peppy/Kconfig
@@ -21,6 +21,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select INTEL_DP
 	select INTEL_DDI
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/peppy/mainboard.c b/src/mainboard/google/peppy/mainboard.c
index ec3322abf5..3fbec40dc8 100644
--- a/src/mainboard/google/peppy/mainboard.c
+++ b/src/mainboard/google/peppy/mainboard.c
@@ -26,9 +26,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -46,92 +44,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -190,10 +102,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = mainboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/samus/Kconfig b/src/mainboard/google/samus/Kconfig
index 2483a56c53..c6cbd183e4 100644
--- a/src/mainboard/google/samus/Kconfig
+++ b/src/mainboard/google/samus/Kconfig
@@ -19,6 +19,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select EXTERNAL_MRC_BLOB
 	select MONOTONIC_TIMER_MSR
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/samus/mainboard.c b/src/mainboard/google/samus/mainboard.c
index 641d331b68..e595632392 100644
--- a/src/mainboard/google/samus/mainboard.c
+++ b/src/mainboard/google/samus/mainboard.c
@@ -26,9 +26,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -44,92 +42,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 static void mainboard_init(device_t dev)
 {
 	mainboard_ec_init();
@@ -168,10 +80,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = mainboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/google/slippy/Kconfig b/src/mainboard/google/slippy/Kconfig
index 2536eaf027..341e5bf7ea 100644
--- a/src/mainboard/google/slippy/Kconfig
+++ b/src/mainboard/google/slippy/Kconfig
@@ -22,6 +22,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select MAINBOARD_DO_NATIVE_VGA_INIT
 	select INTEL_DP
 	select INTEL_DDI
+	select INTEL_INT15
 
 config VBOOT_RAMSTAGE_INDEX
 	hex
diff --git a/src/mainboard/google/slippy/mainboard.c b/src/mainboard/google/slippy/mainboard.c
index a0e6ffa359..4ccb5f9a71 100644
--- a/src/mainboard/google/slippy/mainboard.c
+++ b/src/mainboard/google/slippy/mainboard.c
@@ -26,9 +26,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -46,92 +44,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -190,10 +102,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = mainboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/google/stout/Kconfig b/src/mainboard/google/stout/Kconfig
index 79e3c9ce24..f127a9f677 100644
--- a/src/mainboard/google/stout/Kconfig
+++ b/src/mainboard/google/stout/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
 	select MAINBOARD_HAS_CHROMEOS
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/google/stout/mainboard.c b/src/mainboard/google/stout/mainboard.c
index aaa78e9ce0..7562b5f622 100644
--- a/src/mainboard/google/stout/mainboard.c
+++ b/src/mainboard/google/stout/mainboard.c
@@ -24,9 +24,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -50,91 +48,6 @@ void mainboard_suspend_resume(void)
 	ec_write_cmd(EC_CMD_NOTIFY_ACPI_ENTER);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-			__func__, X86_AX);
-
-	switch(X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00; /* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000; /* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-				X86_CH);
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -170,10 +83,7 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/ibase/mb899/Kconfig b/src/mainboard/ibase/mb899/Kconfig
index 0c939efaa4..4f646acb35 100644
--- a/src/mainboard/ibase/mb899/Kconfig
+++ b/src/mainboard/ibase/mb899/Kconfig
@@ -15,6 +15,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select BOARD_ROMSIZE_KB_512
 	select CHANNEL_XOR_RANDOMIZATION
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/ibase/mb899/mainboard.c b/src/mainboard/ibase/mb899/mainboard.c
index f78a118a10..6c80b426cf 100644
--- a/src/mainboard/ibase/mb899/mainboard.c
+++ b/src/mainboard/ibase/mb899/mainboard.c
@@ -20,51 +20,13 @@
 #include <types.h>
 #include <device/device.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/io.h>
 #include <arch/interrupt.h>
 #include <device/azalia_device.h>
 #include "superio_hwm.h"
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-#define BOOT_DISPLAY_DEFAULT	0
-#define BOOT_DISPLAY_CRT	(1 << 0)
-#define BOOT_DISPLAY_TV		(1 << 1)
-#define BOOT_DISPLAY_EFP	(1 << 2)
-#define BOOT_DISPLAY_LCD	(1 << 3)
-#define BOOT_DISPLAY_CRT2	(1 << 4)
-#define BOOT_DISPLAY_TV2	(1 << 5)
-#define BOOT_DISPLAY_EFP2	(1 << 6)
-#define BOOT_DISPLAY_LCD2	(1 << 7)
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-			  __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		X86_CL = BOOT_DISPLAY_DEFAULT;
-		break;
-	case 0x5f40: /* Boot Panel Type */
-		// M.x86.R_AX = 0x015f; // Supported but failed
-		X86_AX = 0x005f; // Success
-		X86_CL = 3; // Display ID
-		break;
-	default:
-		/* Interrupt was not handled */
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -79,10 +41,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 3);
 	verb_setup();
 	hwm_setup();
 }
diff --git a/src/mainboard/intel/baskingridge/Kconfig b/src/mainboard/intel/baskingridge/Kconfig
index 8d32c5a0c0..512591e5c6 100644
--- a/src/mainboard/intel/baskingridge/Kconfig
+++ b/src/mainboard/intel/baskingridge/Kconfig
@@ -12,6 +12,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_SMI_HANDLER
 	select MAINBOARD_HAS_CHROMEOS
 	select MONOTONIC_TIMER_MSR
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/intel/baskingridge/mainboard.c b/src/mainboard/intel/baskingridge/mainboard.c
index d1f540505c..b4982f8625 100644
--- a/src/mainboard/intel/baskingridge/mainboard.c
+++ b/src/mainboard/intel/baskingridge/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -43,92 +41,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -142,10 +54,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/intel/cougar_canyon2/Kconfig b/src/mainboard/intel/cougar_canyon2/Kconfig
index 389a13cd47..3b2516167c 100644
--- a/src/mainboard/intel/cougar_canyon2/Kconfig
+++ b/src/mainboard/intel/cougar_canyon2/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select ENABLE_VMX
 	select EARLY_CBMEM_INIT
 	select BROKEN_CAR_MIGRATE
+	select INTEL_INT15
 	select VGA
 
 config MAINBOARD_DIR
diff --git a/src/mainboard/intel/cougar_canyon2/mainboard.c b/src/mainboard/intel/cougar_canyon2/mainboard.c
index e9277d0356..bb4806a8f3 100644
--- a/src/mainboard/intel/cougar_canyon2/mainboard.c
+++ b/src/mainboard/intel/cougar_canyon2/mainboard.c
@@ -25,7 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#include <x86emu/x86emu.h>
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -43,104 +43,6 @@ void mainboard_suspend_resume(void)
 }
 #endif
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res=0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-			  __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch(X86_EAX & 0xffff) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_EAX &= 0xffff0000;
-		X86_EAX |= 0x005f;
-		X86_ECX &= 0xffffff00;
-		X86_ECX |= 0x01;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_EAX &= 0xffff0000;
-		X86_EAX |= 0x005f;
-		X86_ECX &= 0xffff0000;
-		X86_ECX |= 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_EAX &= 0xffff0000;
-		X86_EAX |= 0x005f;
-		X86_ECX &= 0xffff0000;
-		X86_ECX |= 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_ECX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_EAX &= 0xffff0000;
-			X86_EAX |= 0x005f;
-			X86_ECX &= 0xffff0000;
-			X86_ECX |= 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_EAX &= 0xffff0000;
-			X86_EAX |= 0x005f;
-			X86_ECX &= 0xffff0000;
-			X86_ECX |= 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_EAX &= 0xffff0000;
-			X86_EAX |= 0x005f;
-			X86_ECX &= 0xffff0000;
-			X86_ECX |= 0x0000;
-			res = 1;
-			break;
-		default:
-			/* FIXME: Interrupt was not handled, but return success? */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_ECX >> 8) & 0xff));
-			return 1;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n",
-				X86_EAX & 0xffff);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -154,10 +56,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/intel/emeraldlake2/Kconfig b/src/mainboard/intel/emeraldlake2/Kconfig
index d6928f4e59..dc04631fc1 100644
--- a/src/mainboard/intel/emeraldlake2/Kconfig
+++ b/src/mainboard/intel/emeraldlake2/Kconfig
@@ -10,6 +10,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_TABLES
 	select HAVE_OPTION_TABLE
 	select HAVE_ACPI_RESUME
+	select INTEL_INT15
 	#select MAINBOARD_HAS_CHROMEOS
 
 config MAINBOARD_DIR
diff --git a/src/mainboard/intel/emeraldlake2/mainboard.c b/src/mainboard/intel/emeraldlake2/mainboard.c
index fc948cb3bc..3dc859415c 100644
--- a/src/mainboard/intel/emeraldlake2/mainboard.c
+++ b/src/mainboard/intel/emeraldlake2/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -43,104 +41,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res=0;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-			  __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch(X86_EAX & 0xffff) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_EAX &= 0xffff0000;
-		X86_EAX |= 0x005f;
-		X86_ECX &= 0xffffff00;
-		X86_ECX |= 0x01;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_EAX &= 0xffff0000;
-		X86_EAX |= 0x005f;
-		X86_ECX &= 0xffff0000;
-		X86_ECX |= 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_EAX &= 0xffff0000;
-		X86_EAX |= 0x005f;
-		X86_ECX &= 0xffff0000;
-		X86_ECX |= 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_ECX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_EAX &= 0xffff0000;
-			X86_EAX |= 0x005f;
-			X86_ECX &= 0xffff0000;
-			X86_ECX |= 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_EAX &= 0xffff0000;
-			X86_EAX |= 0x005f;
-			X86_ECX &= 0xffff0000;
-			X86_ECX |= 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_EAX &= 0xffff0000;
-			X86_EAX |= 0x005f;
-			X86_ECX &= 0xffff0000;
-			X86_ECX |= 0x0000;
-			res = 1;
-			break;
-		default:
-			/* FIXME: Interrupt was not handled, but return success? */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_ECX >> 8) & 0xff));
-			return 1;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n",
-				X86_EAX & 0xffff);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -154,10 +54,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/intel/wtm2/Kconfig b/src/mainboard/intel/wtm2/Kconfig
index 9dfed492e5..353279a865 100644
--- a/src/mainboard/intel/wtm2/Kconfig
+++ b/src/mainboard/intel/wtm2/Kconfig
@@ -14,6 +14,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select MAINBOARD_HAS_CHROMEOS
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select MONOTONIC_TIMER_MSR
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/intel/wtm2/mainboard.c b/src/mainboard/intel/wtm2/mainboard.c
index cd61a4a7cd..b4982f8625 100644
--- a/src/mainboard/intel/wtm2/mainboard.c
+++ b/src/mainboard/intel/wtm2/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -43,92 +41,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 1;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch ((X86_CX >> 8) & 0xff) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG,
-			       "Unknown INT15 5f70 function: 0x%02x\n",
-				((X86_CX >> 8) & 0xff));
-			break;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -142,10 +54,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/kontron/986lcd-m/Kconfig b/src/mainboard/kontron/986lcd-m/Kconfig
index 6d880e5769..2a3cfe2e14 100644
--- a/src/mainboard/kontron/986lcd-m/Kconfig
+++ b/src/mainboard/kontron/986lcd-m/Kconfig
@@ -15,6 +15,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select BOARD_ROMSIZE_KB_1024
 	select CHANNEL_XOR_RANDOMIZATION
+	select INTEL_INT15
 	select OVERRIDE_CLOCK_DISABLE
 
 config MAINBOARD_DIR
diff --git a/src/mainboard/kontron/986lcd-m/mainboard.c b/src/mainboard/kontron/986lcd-m/mainboard.c
index 346546a869..10bba69afd 100644
--- a/src/mainboard/kontron/986lcd-m/mainboard.c
+++ b/src/mainboard/kontron/986lcd-m/mainboard.c
@@ -20,57 +20,12 @@
 #include <types.h>
 #include <device/device.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/io.h>
 #include <arch/interrupt.h>
 #include <device/azalia_device.h>
 
-#define BOOT_DISPLAY_DEFAULT	0
-#define BOOT_DISPLAY_CRT	(1 << 0)
-#define BOOT_DISPLAY_TV		(1 << 1)
-#define BOOT_DISPLAY_EFP	(1 << 2)
-#define BOOT_DISPLAY_LCD	(1 << 3)
-#define BOOT_DISPLAY_CRT2	(1 << 4)
-#define BOOT_DISPLAY_TV2	(1 << 5)
-#define BOOT_DISPLAY_EFP2	(1 << 6)
-#define BOOT_DISPLAY_LCD2	(1 << 7)
-
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	/* This int15 handler is Intel IGD. specific. Other chipsets need other
-	 * handlers. The right way to do this is to move this handler code into
-	 * the mainboard or northbridge code.
-	 * TODO: completely move to mainboards / chipsets.
-	 */
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-			  __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		X86_CL = BOOT_DISPLAY_CRT;
-		break;
-	case 0x5f40: /* Boot Panel Type */
-		// X86_AX = 0x015f; // Supported but failed
-		X86_AX = 0x005f; // Success
-		X86_CL = 3; // Display ID
-		printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
-		break;
-	default:
-		/* Interrupt was not handled */
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 /* Hardware Monitor */
 
 static u16 hwm_base = 0xa00;
@@ -219,10 +174,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 3);
 	verb_setup();
 	hwm_setup();
 }
diff --git a/src/mainboard/lenovo/t520/Kconfig b/src/mainboard/lenovo/t520/Kconfig
index b6c9e0523d..aa4f0a4209 100644
--- a/src/mainboard/lenovo/t520/Kconfig
+++ b/src/mainboard/lenovo/t520/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_CMOS_DEFAULT
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
+	select INTEL_INT15
 
 	# Workaround for EC/KBC IRQ1.
 	select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/lenovo/t520/mainboard.c b/src/mainboard/lenovo/t520/mainboard.c
index a93ba706bc..afa0ecf2f7 100644
--- a/src/mainboard/lenovo/t520/mainboard.c
+++ b/src/mainboard/lenovo/t520/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -48,91 +46,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-	       __func__, X86_AX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;	/* Int-LVDS */
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-			       X86_CH);
-			break;
-		}
-		break;
-
-	default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -166,10 +79,7 @@ enumerate_buses(). */
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/lenovo/t530/Kconfig b/src/mainboard/lenovo/t530/Kconfig
index a850e1133c..1a68a6f8a7 100644
--- a/src/mainboard/lenovo/t530/Kconfig
+++ b/src/mainboard/lenovo/t530/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_CMOS_DEFAULT
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
+	select INTEL_INT15
 
 	# Workaround for EC/KBC IRQ1.
 	select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/lenovo/t530/mainboard.c b/src/mainboard/lenovo/t530/mainboard.c
index e529d452fc..e21dc982f0 100644
--- a/src/mainboard/lenovo/t530/mainboard.c
+++ b/src/mainboard/lenovo/t530/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -48,91 +46,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-	       __func__, X86_AX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;	/* Int-LVDS */
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-			       X86_CH);
-			break;
-		}
-		break;
-
-	default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -171,10 +84,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/lenovo/t60/Kconfig b/src/mainboard/lenovo/t60/Kconfig
index a42699d6f7..c868e2245e 100644
--- a/src/mainboard/lenovo/t60/Kconfig
+++ b/src/mainboard/lenovo/t60/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select EC_LENOVO_H8
 	select DRIVERS_ICS_954309
 	select HAVE_OPTION_TABLE
+	select INTEL_INT15
 	select HAVE_PIRQ_TABLE
 	select HAVE_MP_TABLE
 	select BOARD_ROMSIZE_KB_2048
diff --git a/src/mainboard/lenovo/t60/mainboard.c b/src/mainboard/lenovo/t60/mainboard.c
index 9c6a30a47c..79b3da8747 100644
--- a/src/mainboard/lenovo/t60/mainboard.c
+++ b/src/mainboard/lenovo/t60/mainboard.c
@@ -37,7 +37,7 @@
 #include <arch/interrupt.h>
 #include <smbios.h>
 #include <build.h>
-#include <x86emu/x86emu.h>
+#include <drivers/intel/gma/int15.h>
 #define PANEL INT15_5F35_CL_DISPLAY_DEFAULT
 
 static acpi_cstate_t cst_entries[] = {
@@ -46,37 +46,6 @@ static acpi_cstate_t cst_entries[] = {
 	{ 2, 17,  250, { 0x01, 8, 0, { 0 }, DEFAULT_PMBASE + LV3, 0 } },
 };
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-static int int15_handler(void)
-{
-	/* The right way to do this is to move this handler code into
-	 * the mainboard or northbridge code.
-	 * TODO: completely move to mainboards / chipsets.
-	 */
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		X86_CL = PANEL;
-		break;
-	case 0x5f40: /* Boot Panel Type */
-		X86_AX = 0x005f; // Success
-		X86_CL = 3;
-		printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
-		break;
-	default:
-		/* Interrupt was not handled */
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 int get_cst_entries(acpi_cstate_t **entries)
 {
 	*entries = cst_entries;
@@ -97,10 +66,7 @@ static void mainboard_init(device_t dev)
 	struct southbridge_intel_i82801gx_config *config;
 	device_t dev0, idedev;
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, PANEL, 3);
 
 	/* If we're resuming from suspend, blink suspend LED */
 	dev0 = dev_find_slot(0, PCI_DEVFN(0,0));
diff --git a/src/mainboard/lenovo/x200/Kconfig b/src/mainboard/lenovo/x200/Kconfig
index 5f7f87ad1f..73ed75f700 100644
--- a/src/mainboard/lenovo/x200/Kconfig
+++ b/src/mainboard/lenovo/x200/Kconfig
@@ -19,6 +19,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/lenovo/x200/mainboard.c b/src/mainboard/lenovo/x200/mainboard.c
index c83ad70630..6c13eed84f 100644
--- a/src/mainboard/lenovo/x200/mainboard.c
+++ b/src/mainboard/lenovo/x200/mainboard.c
@@ -23,10 +23,7 @@
 //#include <pc80/mc146818rtc.h>
 #include <device/device.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <arch/interrupt.h>
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/keyboard.h>
 #include <ec/acpi/ec.h>
 #include <smbios.h>
@@ -44,70 +41,6 @@
 			the overloaded weak function in there. */
 #endif
 
-
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	enum {
-		BOOT_DISPLAY_DEFAULT	 = 0,
-		BOOT_DISPLAY_CRT	 = (1 << 0),
-		BOOT_DISPLAY_TV		 = (1 << 1),
-		BOOT_DISPLAY_EFP	 = (1 << 2),
-		BOOT_DISPLAY_LFP	 = (1 << 3),
-		BOOT_DISPLAY_CRT2	 = (1 << 4),
-		BOOT_DISPLAY_TV2	 = (1 << 5),
-		BOOT_DISPLAY_EFP2	 = (1 << 6),
-		BOOT_DISPLAY_LFP2	 = (1 << 7),
-	};
-	enum {
-		PANEL_FIT_DEFAULT	= 0,
-		PANEL_FIT_CENTERING	= (1 << 0),
-		PANEL_FIT_TXT_STRETCH	= (1 << 1),
-		PANEL_FIT_GFX_STRETCH	= (1 << 2),
-	};
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/* Set Panel Fitting Hook */
-		X86_AX = 0x005f;
-		X86_CX = PANEL_FIT_CENTERING;
-		break;
-	case 0x5f35:
-		/* Boot Display Device Hook */
-		X86_AX = 0x005f;
-		X86_CX = BOOT_DISPLAY_DEFAULT; /* Select automatically. */
-		break;
-	case 0x5f40:
-		/* Boot Panel Type Hook */
-		/* Contrary to what EMGD's user's guide says,
-		   this _alters_ the behavior of the Video BIOS. */
-		/* LCD panel type is SIO GPIO40-43.
-		   It's controlled by a DIP switch but was always
-		   set to 4 while only values of 5 and 6 worked. */
-		X86_AX = 0x005f;
-		X86_CX = 0x2;
-		break;
-	case 0x5f70:
-		/* Sandybridge boards return 0 here. */
-	case 0x5f14:
-	case 0x5f21:
-	case 0x5f22:
-	case 0x5f49:
-		/* No documentation found. */
-	default:
-		/* Interrupt was not handled. */
-		printk(BIOS_DEBUG,
-			"%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", __func__,
-			X86_AX, X86_BX, X86_CX, X86_DX);
-		return 0;
-	}
-
-	/* Interrupt handled. */
-	return 1;
-}
-
-#endif
-
 static void verb_setup(void)
 {
 	cim_verb_data = mainboard_cim_verb_data;
@@ -136,10 +69,7 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	verb_setup();
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 2);
 
 	dev->ops->init = mainboard_init;
 }
diff --git a/src/mainboard/lenovo/x201/Kconfig b/src/mainboard/lenovo/x201/Kconfig
index c82971f568..571f35eb4f 100644
--- a/src/mainboard/lenovo/x201/Kconfig
+++ b/src/mainboard/lenovo/x201/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_MP_TABLE
 	select BOARD_ROMSIZE_KB_8192
 	select HAVE_ACPI_TABLES
+	select INTEL_INT15
 	select HAVE_ACPI_RESUME
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
diff --git a/src/mainboard/lenovo/x201/mainboard.c b/src/mainboard/lenovo/x201/mainboard.c
index fd11da8326..fdeddd4402 100644
--- a/src/mainboard/lenovo/x201/mainboard.c
+++ b/src/mainboard/lenovo/x201/mainboard.c
@@ -41,7 +41,7 @@
 #include "dock.h"
 #include "hda_verb.h"
 #include <arch/x86/include/arch/acpigen.h>
-#include <x86emu/regs.h>
+#include <drivers/intel/gma/int15.h>
 #include <arch/interrupt.h>
 #include <pc80/keyboard.h>
 #include <cpu/x86/lapic.h>
@@ -61,34 +61,6 @@ int get_cst_entries(acpi_cstate_t ** entries)
 	return ARRAY_SIZE(cst_entries);
 }
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-
-static int int15_handler(void)
-{
-	switch ((X86_EAX & 0xffff)) {
-		/* Get boot display.  */
-	case 0x5f35:
-		X86_EAX = 0x5f;
-		/* The flags are:
-		   1 - VGA
-		   4 - DisplayPort
-		   8 - LCD
-		 */
-		X86_ECX = 0x8;
-
-		return 1;
-	case 0x5f40:
-		X86_EAX = 0x5f;
-		X86_ECX = 0x2;
-		return 1;
-	default:
-		printk(BIOS_WARNING, "Unknown INT15 function %04x!\n",
-		       X86_EAX & 0xffff);
-		return 0;
-	}
-}
-#endif
-
 const char *smbios_mainboard_bios_version(void)
 {
 	/* Satisfy thinkpad_acpi.  */
@@ -172,10 +144,7 @@ static void mainboard_enable(device_t dev)
 	if (dev0 && pci_read_config32(dev0, SKPAD) == SKPAD_ACPI_S3_MAGIC)
 		ec_write(0x0c, 0xc7);
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_LFP, 2);
 
 	verb_setup();
 }
diff --git a/src/mainboard/lenovo/x220/Kconfig b/src/mainboard/lenovo/x220/Kconfig
index 3ce4a4796f..4a05f50f89 100644
--- a/src/mainboard/lenovo/x220/Kconfig
+++ b/src/mainboard/lenovo/x220/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_CMOS_DEFAULT
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
+	select INTEL_INT15
 	select EARLY_CBMEM_INIT
 	select VGA
 	select INTEL_EDID
diff --git a/src/mainboard/lenovo/x220/mainboard.c b/src/mainboard/lenovo/x220/mainboard.c
index 3656c224e5..ffc99bd4eb 100644
--- a/src/mainboard/lenovo/x220/mainboard.c
+++ b/src/mainboard/lenovo/x220/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -49,91 +47,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-	       __func__, X86_AX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;	/* Int-LVDS */
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-			       X86_CH);
-			break;
-		}
-		break;
-
-	default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 const char *smbios_mainboard_bios_version(void)
 {
 	/* Satisfy thinkpad_acpi.  */
@@ -181,10 +94,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/lenovo/x230/Kconfig b/src/mainboard/lenovo/x230/Kconfig
index f835ab45c8..388a1ad555 100644
--- a/src/mainboard/lenovo/x230/Kconfig
+++ b/src/mainboard/lenovo/x230/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_CMOS_DEFAULT
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
+	select INTEL_INT15
 	select EARLY_CBMEM_INIT
 	select VGA
 	select INTEL_EDID
diff --git a/src/mainboard/lenovo/x230/mainboard.c b/src/mainboard/lenovo/x230/mainboard.c
index 2df9069672..5da7480492 100644
--- a/src/mainboard/lenovo/x230/mainboard.c
+++ b/src/mainboard/lenovo/x230/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -49,91 +47,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res = 0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-	       __func__, X86_AX);
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP)
-		 *  bit 2 = EFP
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP)
-		 *  bit 6 = EFP2
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;	/* Use video bios default */
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;	/* Int-LVDS */
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* Interrupt was not handled */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-			       X86_CH);
-			break;
-		}
-		break;
-
-	default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 const char *smbios_mainboard_bios_version(void)
 {
 	/* Satisfy thinkpad_acpi.  */
@@ -181,10 +94,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/lenovo/x60/Kconfig b/src/mainboard/lenovo/x60/Kconfig
index c27cad8e8d..1757327205 100644
--- a/src/mainboard/lenovo/x60/Kconfig
+++ b/src/mainboard/lenovo/x60/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select EC_LENOVO_H8
 	select DRIVERS_ICS_954309
 	select HAVE_OPTION_TABLE
+	select INTEL_INT15
 	select HAVE_CMOS_DEFAULT
 	select HAVE_PIRQ_TABLE
 	select HAVE_MP_TABLE
diff --git a/src/mainboard/lenovo/x60/mainboard.c b/src/mainboard/lenovo/x60/mainboard.c
index da17ae2803..9932bcea6f 100644
--- a/src/mainboard/lenovo/x60/mainboard.c
+++ b/src/mainboard/lenovo/x60/mainboard.c
@@ -39,7 +39,8 @@
 #include <arch/x86/include/arch/acpigen.h>
 #include <smbios.h>
 #include <build.h>
-#include <x86emu/x86emu.h>
+#include <drivers/intel/gma/int15.h>
+
 #define PANEL INT15_5F35_CL_DISPLAY_DEFAULT
 
 static acpi_cstate_t cst_entries[] = {
@@ -48,37 +49,6 @@ static acpi_cstate_t cst_entries[] = {
 	{ 2, 17,  250, { 0x01, 8, 0, { 0 }, DEFAULT_PMBASE + LV3, 0 } },
 };
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-static int int15_handler(void)
-{
-	/* The right way to do this is to move this handler code into
-	 * the mainboard or northbridge code.
-	 * TODO: completely move to mainboards / chipsets.
-	 */
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-	       __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		X86_CL = PANEL;
-		break;
-	case 0x5f40: /* Boot Panel Type */
-		X86_AX = 0x005f; // Success
-		X86_CL = 3;
-		printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
-		break;
-	default:
-		/* Interrupt was not handled */
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 int get_cst_entries(acpi_cstate_t **entries)
 {
 	*entries = cst_entries;
@@ -96,10 +66,7 @@ static void mainboard_init(device_t dev)
 		ec_write(0x0c, 0x88);
 	}
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, PANEL, 3);
 
 	/* If we're resuming from suspend, blink suspend LED */
 	dev0 = dev_find_slot(0, PCI_DEVFN(0,0));
diff --git a/src/mainboard/packardbell/ms2290/Kconfig b/src/mainboard/packardbell/ms2290/Kconfig
index 20768d873a..f0b7538a1e 100644
--- a/src/mainboard/packardbell/ms2290/Kconfig
+++ b/src/mainboard/packardbell/ms2290/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_TABLES
 	select HAVE_ACPI_RESUME
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select INTEL_INT15
 	select EC_ACPI
 	select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
 
diff --git a/src/mainboard/packardbell/ms2290/mainboard.c b/src/mainboard/packardbell/ms2290/mainboard.c
index 62e7fd906d..5fff98d5c1 100644
--- a/src/mainboard/packardbell/ms2290/mainboard.c
+++ b/src/mainboard/packardbell/ms2290/mainboard.c
@@ -36,7 +36,7 @@
 #include <pc80/mc146818rtc.h>
 #include <arch/x86/include/arch/acpigen.h>
 #if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-#include <x86emu/regs.h>
+#include <drivers/intel/gma/int15.h>
 #include <arch/interrupt.h>
 #endif
 #include <pc80/keyboard.h>
@@ -58,34 +58,6 @@ int get_cst_entries(acpi_cstate_t ** entries)
 	return ARRAY_SIZE(cst_entries);
 }
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-
-static int int15_handler(void)
-{
-	switch ((X86_EAX & 0xffff)) {
-		/* Get boot display.  */
-	case 0x5f35:
-		X86_EAX = 0x5f;
-		/* The flags are:
-		   1 - VGA
-		   4 - DisplayPort
-		   8 - LCD
-		 */
-		X86_ECX = 0x8;
-
-		return 1;
-	case 0x5f40:
-		X86_EAX = 0x5f;
-		X86_ECX = 0x2;
-		return 1;
-	default:
-		printk(BIOS_WARNING, "Unknown INT15 function %04x!\n",
-		       X86_EAX & 0xffff);
-		return 0;
-	}
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -160,10 +132,7 @@ static void mainboard_enable(device_t dev)
 	pci_write_config8(dev_find_slot(0, PCI_DEVFN(0x1f, 0)), GPIO_CNTL,
 			  0x10);
 
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_LFP, 2);
 
 	/* This sneaked in here, because EasyNote has no SuperIO chip.
 	 */
diff --git a/src/mainboard/roda/rk886ex/Kconfig b/src/mainboard/roda/rk886ex/Kconfig
index 7f2b5b914a..bbb5d9ba06 100644
--- a/src/mainboard/roda/rk886ex/Kconfig
+++ b/src/mainboard/roda/rk886ex/Kconfig
@@ -17,6 +17,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_RESUME
 	select BOARD_ROMSIZE_KB_1024
 	select CHANNEL_XOR_RANDOMIZATION
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/roda/rk886ex/mainboard.c b/src/mainboard/roda/rk886ex/mainboard.c
index 7158dca300..ba7ed230c5 100644
--- a/src/mainboard/roda/rk886ex/mainboard.c
+++ b/src/mainboard/roda/rk886ex/mainboard.c
@@ -24,9 +24,7 @@
 #include <arch/io.h>
 #include <arch/interrupt.h>
 #include <delay.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 
 #include <ec/acpi/ec.h>
 #include "m3885.h"
@@ -50,54 +48,6 @@ static void backlight_enable(void)
 	printk(BIOS_DEBUG, "Display I/O: 0x%02x\n", inb(0x60f));
 }
 
-#define BOOT_DISPLAY_DEFAULT	0
-#define BOOT_DISPLAY_CRT	(1 << 0)
-#define BOOT_DISPLAY_TV		(1 << 1)
-#define BOOT_DISPLAY_EFP	(1 << 2)
-#define BOOT_DISPLAY_LCD	(1 << 3)
-#define BOOT_DISPLAY_CRT2	(1 << 4)
-#define BOOT_DISPLAY_TV2	(1 << 5)
-#define BOOT_DISPLAY_EFP2	(1 << 6)
-#define BOOT_DISPLAY_LCD2	(1 << 7)
-
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	/* This int15 handler is Intel IGD. specific. Other chipsets need other
-	 * handlers. The right way to do this is to move this handler code into
-	 * the mainboard or northbridge code.
-	 * TODO: completely move to mainboards / chipsets.
-	 */
-	u8 display_id;
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-			  __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		X86_CL = BOOT_DISPLAY_DEFAULT;
-		break;
-	case 0x5f40: /* Boot Panel Type */
-		/* LCD panel type is SIO GPIO40-43 */
-		// display_id = inb(0x60f) & 0x0f;
-		display_id = 3;
-		// M.x86.R_AX = 0x015f; // Supported but failed
-		X86_AX = 0x005f; // Success
-		X86_CL = display_id;
-		printk(BIOS_DEBUG, "DISPLAY=%x\n", X86_CL);
-		break;
-	default:
-		/* Interrupt was not handled */
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 #if DUMP_RUNTIME_REGISTERS
 static void dump_runtime_registers(void)
 {
@@ -124,10 +74,10 @@ static void mainboard_enable(device_t dev)
 	/* Disable Dummy DCC -> GP45 = 1 */
 	outb(inb(0x60f) | (1 << 5), 0x60f);
 
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	/* LCD panel type is SIO GPIO40-43 */
+	// display_id = inb(0x60f) & 0x0f;
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 3);
+
 #if DUMP_RUNTIME_REGISTERS
 	dump_runtime_registers();
 #endif
diff --git a/src/mainboard/roda/rk9/Kconfig b/src/mainboard/roda/rk9/Kconfig
index 6ed85ff3b4..271b0e4914 100644
--- a/src/mainboard/roda/rk9/Kconfig
+++ b/src/mainboard/roda/rk9/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_ACPI_TABLES
 	select EC_ACPI
 	select HAVE_OPTION_TABLE
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/roda/rk9/mainboard.c b/src/mainboard/roda/rk9/mainboard.c
index 47444153f3..49db15f2e4 100644
--- a/src/mainboard/roda/rk9/mainboard.c
+++ b/src/mainboard/roda/rk9/mainboard.c
@@ -23,10 +23,7 @@
 //#include <pc80/mc146818rtc.h>
 #include <device/device.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <arch/interrupt.h>
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/keyboard.h>
 #include <ec/acpi/ec.h>
 #include <device/azalia_device.h>
@@ -37,70 +34,6 @@
 			the overloaded weak function in there. */
 #endif
 
-
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	enum {
-		BOOT_DISPLAY_DEFAULT	 = 0,
-		BOOT_DISPLAY_CRT	 = (1 << 0),
-		BOOT_DISPLAY_TV		 = (1 << 1),
-		BOOT_DISPLAY_EFP	 = (1 << 2),
-		BOOT_DISPLAY_LFP	 = (1 << 3),
-		BOOT_DISPLAY_CRT2	 = (1 << 4),
-		BOOT_DISPLAY_TV2	 = (1 << 5),
-		BOOT_DISPLAY_EFP2	 = (1 << 6),
-		BOOT_DISPLAY_LFP2	 = (1 << 7),
-	};
-	enum {
-		PANEL_FIT_DEFAULT	= 0,
-		PANEL_FIT_CENTERING	= (1 << 0),
-		PANEL_FIT_TXT_STRETCH	= (1 << 1),
-		PANEL_FIT_GFX_STRETCH	= (1 << 2),
-	};
-
-	switch (X86_AX) {
-	case 0x5f34:
-		/* Set Panel Fitting Hook */
-		X86_AX = 0x005f;
-		X86_CX = PANEL_FIT_CENTERING;
-		break;
-	case 0x5f35:
-		/* Boot Display Device Hook */
-		X86_AX = 0x005f;
-		X86_CX = BOOT_DISPLAY_DEFAULT; /* Select automatically. */
-		break;
-	case 0x5f40:
-		/* Boot Panel Type Hook */
-		/* Contrary to what EMGD's user's guide says,
-		   this _alters_ the behavior of the Video BIOS. */
-		/* LCD panel type is SIO GPIO40-43.
-		   It's controlled by a DIP switch but was always
-		   set to 4 while only values of 5 and 6 worked. */
-		X86_AX = 0x005f;
-		X86_CX = (inb(0x60f) & 0x0f) + 1;
-		break;
-	case 0x5f70:
-		/* Sandybridge boards return 0 here. */
-	case 0x5f14:
-	case 0x5f21:
-	case 0x5f22:
-	case 0x5f49:
-		/* No documentation found. */
-	default:
-		/* Interrupt was not handled. */
-		printk(BIOS_DEBUG,
-			"%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", __func__,
-			X86_AX, X86_BX, X86_CX, X86_DX);
-		return 0;
-	}
-
-	/* Interrupt handled. */
-	return 1;
-}
-
-#endif
-
 static void verb_setup(void)
 {
 	cim_verb_data = mainboard_cim_verb_data;
@@ -127,10 +60,10 @@ static void mainboard_enable(device_t dev)
 {
 	ec_setup();
 	verb_setup();
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	/* LCD panel type is SIO GPIO40-43.
+	   It's controlled by a DIP switch but was always
+	   set to 4 while only values of 5 and 6 worked. */
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, (inb(0x60f) & 0x0f) + 1);
 
 	/* We have no driver for the embedded controller since the firmware
 	   does most of the job. Hence, initialize keyboards here. */
diff --git a/src/mainboard/samsung/lumpy/Kconfig b/src/mainboard/samsung/lumpy/Kconfig
index 63c78d3305..68f3058aa4 100644
--- a/src/mainboard/samsung/lumpy/Kconfig
+++ b/src/mainboard/samsung/lumpy/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select SOUTHBRIDGE_INTEL_BD82X6X
 	select SUPERIO_SMSC_MEC1308
 	select DRIVERS_GENERIC_IOAPIC
+	select INTEL_INT15
 	select HAVE_MRC
 
 config MAINBOARD_DIR
diff --git a/src/mainboard/samsung/lumpy/mainboard.c b/src/mainboard/samsung/lumpy/mainboard.c
index bce20d6d98..803761c60a 100644
--- a/src/mainboard/samsung/lumpy/mainboard.c
+++ b/src/mainboard/samsung/lumpy/mainboard.c
@@ -24,9 +24,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -50,91 +48,6 @@ void mainboard_suspend_resume(void)
 	send_ec_command(EC_ACPI_ENABLE);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res=0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-			__func__, X86_AX);
-
-	switch(X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x00;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0001;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_EAX = 0x005f;
-			X86_ECX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* FIXME: Interrupt was not handled, but return success? */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-				X86_CH);
-			return 1;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -202,10 +115,7 @@ static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
 	dev->ops->get_smbios_data = lumpy_onboard_smbios_data;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/samsung/stumpy/Kconfig b/src/mainboard/samsung/stumpy/Kconfig
index 1ec107f170..eee375536a 100644
--- a/src/mainboard/samsung/stumpy/Kconfig
+++ b/src/mainboard/samsung/stumpy/Kconfig
@@ -13,6 +13,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select SUPERIO_ITE_IT8772F
 	select HAVE_MRC
 
+	select INTEL_INT15
 config MAINBOARD_DIR
 	string
 	default samsung/stumpy
diff --git a/src/mainboard/samsung/stumpy/mainboard.c b/src/mainboard/samsung/stumpy/mainboard.c
index 2256b41ef4..d61b808794 100644
--- a/src/mainboard/samsung/stumpy/mainboard.c
+++ b/src/mainboard/samsung/stumpy/mainboard.c
@@ -25,9 +25,7 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 #include <console/console.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <pc80/mc146818rtc.h>
 #include <arch/acpi.h>
 #include <arch/io.h>
@@ -43,91 +41,6 @@ void mainboard_suspend_resume(void)
 	outb(0xcb, 0xb2);
 }
 
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-	int res=0;
-
-	printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
-			__func__, X86_AX);
-
-	switch(X86_AX) {
-	case 0x5f34:
-		/*
-		 * Set Panel Fitting Hook:
-		 *  bit 2 = Graphics Stretching
-		 *  bit 1 = Text Stretching
-		 *  bit 0 = Centering (do not set with bit1 or bit2)
-		 *  0     = video bios default
-		 */
-		X86_AX = 0x005f;
-		X86_CL = 0x01;
-		res = 1;
-		break;
-	case 0x5f35:
-		/*
-		 * Boot Display Device Hook:
-		 *  bit 0 = CRT
-		 *  bit 1 = TV (eDP) *
-		 *  bit 2 = EFP *
-		 *  bit 3 = LFP
-		 *  bit 4 = CRT2
-		 *  bit 5 = TV2 (eDP) *
-		 *  bit 6 = EFP2 *
-		 *  bit 7 = LFP2
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0000;
-		res = 1;
-		break;
-	case 0x5f51:
-		/*
-		 * Hook to select active LFP configuration:
-		 *  00h = No LVDS, VBIOS does not enable LVDS
-		 *  01h = Int-LVDS, LFP driven by integrated LVDS decoder
-		 *  02h = SVDO-LVDS, LFP driven by SVDO decoder
-		 *  03h = eDP, LFP Driven by Int-DisplayPort encoder
-		 */
-		X86_AX = 0x005f;
-		X86_CX = 0x0003;
-		res = 1;
-		break;
-	case 0x5f70:
-		switch (X86_CH) {
-		case 0:
-			/* Get Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 1:
-			/* Set Mux */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		case 2:
-			/* Get SG/Non-SG mode */
-			X86_AX = 0x005f;
-			X86_CX = 0x0000;
-			res = 1;
-			break;
-		default:
-			/* FIXME: Interrupt was not handled, but return sucess? */
-			printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
-				X86_CH);
-			return 1;
-		}
-		break;
-
-        default:
-		printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
-		break;
-	}
-	return res;
-}
-#endif
-
 /* Audio Setup */
 
 static void verb_setup(void)
@@ -143,10 +56,7 @@ static void verb_setup(void)
 
 static void mainboard_enable(device_t dev)
 {
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_EDP, GMA_INT15_PANEL_FIT_CENTERING, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 	verb_setup();
 }
 
diff --git a/src/mainboard/thomson/ip1000/Kconfig b/src/mainboard/thomson/ip1000/Kconfig
index a68c72af38..80d365c533 100644
--- a/src/mainboard/thomson/ip1000/Kconfig
+++ b/src/mainboard/thomson/ip1000/Kconfig
@@ -9,6 +9,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_PIRQ_TABLE
 	select UDELAY_TSC
 	select BOARD_ROMSIZE_KB_512
+	select INTEL_INT15
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/thomson/ip1000/mainboard.c b/src/mainboard/thomson/ip1000/mainboard.c
index 705c427a86..726769607a 100644
--- a/src/mainboard/thomson/ip1000/mainboard.c
+++ b/src/mainboard/thomson/ip1000/mainboard.c
@@ -21,9 +21,7 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <delay.h>
-#if CONFIG_VGA_ROM_RUN
-#include <x86emu/x86emu.h>
-#endif
+#include <drivers/intel/gma/int15.h>
 #include <arch/io.h>
 #include <arch/interrupt.h>
 
@@ -86,53 +84,6 @@ static void flash_gpios(void)
 	}
 }
 
-
-#if CONFIG_VGA_ROM_RUN
-static int int15_handler(void)
-{
-#define BOOT_DISPLAY_DEFAULT	0
-#define BOOT_DISPLAY_CRT	(1 << 0)
-#define BOOT_DISPLAY_TV		(1 << 1)
-#define BOOT_DISPLAY_EFP	(1 << 2)
-#define BOOT_DISPLAY_LCD	(1 << 3)
-#define BOOT_DISPLAY_CRT2	(1 << 4)
-#define BOOT_DISPLAY_TV2	(1 << 5)
-#define BOOT_DISPLAY_EFP2	(1 << 6)
-#define BOOT_DISPLAY_LCD2	(1 << 7)
-
-	printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
-			  __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
-	switch (X86_AX) {
-	case 0x5f35: /* Boot Display */
-		X86_AX = 0x005f; // Success
-		//M.x86.R_CL = BOOT_DISPLAY_TV2;
-		X86_CL = BOOT_DISPLAY_DEFAULT;
-		break;
-	case 0x5f36: /* Boot TV Format Hook */
-		printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n");
-		/* Interrupt was not handled */
-		return 0;
-	case 0x5f31: /* Post Completion Hook */
-	case 0x5f33: /* Hook After Mode Set */
-	case 0x5f34: /* Set Panel Fitting Hook */
-	case 0x5f38: /* Hook Before Mode Set */
-	case 0x5f45: /* Hook Before VESA VBE/DDC */
-	case 0x5f46: /* Hook Before VESA VBE/PM */
-	case 0x5f47: /* Notif Display Switch Hook */
-	case 0x5f65: /* Local Memory Initialization Hook */
-		/* Interrupt was not handled */
-		return 0;
-	default:
-		/* Interrupt was not handled */
-		return 0;
-	}
-
-	/* Interrupt handled */
-	return 1;
-}
-#endif
-
 static void mainboard_init(device_t dev)
 {
 	parport_gpios();
@@ -142,10 +93,7 @@ static void mainboard_init(device_t dev)
 static void mainboard_enable(device_t dev)
 {
 	dev->ops->init = mainboard_init;
-#if CONFIG_VGA_ROM_RUN
-	/* Install custom int15 handler for VGA OPROM */
-	mainboard_interrupt_handlers(0x15, &int15_handler);
-#endif
+	install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
 }
 
 struct chip_operations mainboard_ops = {