mb/system76/*: Enable dGPUs

Change-Id: Ib5bab02801407c8bf05e6028bf8f9fa7ccc5ecd0
Signed-off-by: Tim Crawford <tcrawford@system76.com>

src/mainboard/system76/addw1/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_ADDW1 || BOARD_SYSTEM76_ADDW2
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_I2C_TAS5825M
 	select EC_SYSTEM76_EC

src/mainboard/system76/addw1/Makefile.inc

@@ -1,4 +1,5 @@
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
 
 bootblock-y += bootblock.c
 bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c

src/mainboard/system76/addw1/acpi/mainboard.asl

@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <variant/dgpu.h>
+#include <drivers/gfx/nvidia/acpi/gpu.asl>
+
 #define EC_GPE_SCI 0x03 /* GPP_K3 */
 #define EC_GPE_SWI 0x06 /* GPP_K6 */
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/addw1/devicetree.cb

@@ -58,6 +58,13 @@ chip soc/intel/cannonlake
 			# PCI Express Graphics #0 x16, Clock 8 (NVIDIA GPU)
 			register "PcieClkSrcUsage[8]" = "0x40"
 			register "PcieClkSrcClkReq[8]" = "8"
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device pci 02.0 on  end # Integrated Graphics Device
 		device pci 04.0 on      # SA Thermal device

src/mainboard/system76/addw1/romstage.c

@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
 #include <soc/cnl_memcfg_init.h>
 #include <soc/romstage.h>
+#include <variant/dgpu.h>
 
 static const struct cnl_mb_cfg memcfg = {
 	.spd[0] = {
@@ -20,6 +22,18 @@ static const struct cnl_mb_cfg memcfg = {
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	memupd->FspmConfig.PrimaryDisplay = 0;
+
 	// Allow higher memory speeds
 	memupd->FspmConfig.SaOcSupport = 1;
 

src/mainboard/system76/addw1/variants/addw1/include/variant/dgpu.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_DGPU_H
+#define VARIANT_DGPU_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_C12
+
+#endif

src/mainboard/system76/addw1/variants/addw2/include/variant/dgpu.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_DGPU_H
+#define VARIANT_DGPU_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_K21
+
+#endif

src/mainboard/system76/bonw14/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_BONW14
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS

src/mainboard/system76/bonw14/devicetree.cb

@@ -62,10 +62,12 @@ chip soc/intel/cannonlake
 			register "PcieClkSrcUsage[7]" = "0x40"
 			register "PcieClkSrcClkReq[7]" = "7"
 
-			device pci 00.0 on end # VGA controller
+			chip drivers/gfx/nvidia
-			device pci 00.1 on end # Audio device
+				device pci 00.0 on end # VGA controller
-			device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.1 on end # Audio device
-			device pci 00.3 on end # USB Type-C UCSI controller
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		# TODO: is this enough to disable iGPU?
 		device pci 02.0 off end # Integrated Graphics Device

src/mainboard/system76/galp5/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_GALP5
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_INTEL_PMC
 	select DRIVERS_INTEL_USB4_RETIMER
@@ -57,4 +58,7 @@ config UART_FOR_CONSOLE
 config USE_PM_ACPI_TIMER
 	default n
 
+config DRIVERS_GFX_NVIDIA_BRIDGE
+	default 0x1c
+
 endif

src/mainboard/system76/galp5/acpi/dgpu.asl

@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Scope (\_SB.PCI0.RP05)
+{
+	Device (DEV0)
+	{
+		Name(_ADR, 0x00000000)
+
+		OperationRegion (PCIC, PCI_Config, 0x00, 0x50)
+		Field (PCIC, DwordAcc, NoLock, Preserve)
+		{
+			Offset (0x40),
+			SSID, 32
+		}
+
+		Name (_PR0, Package () { PWRR })
+		Name (_PR3, Package () { PWRR })
+		PowerResource (PWRR, 0, 0)
+		{
+			Name (_STA, 1)
+
+			Method (_ON)
+			{
+				^^SSID = 0x40181558
+				Printf("GPU _ON %o", ToHexString(^^SSID))
+				_STA = 1
+			}
+
+			Method (_OFF)
+			{
+				Printf("GPU _OFF %o", ToHexString(^^SSID))
+				_STA = 0
+			}
+		}
+	}
+}

src/mainboard/system76/galp5/acpi/mainboard.asl

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "dgpu.asl"
+
 #define EC_GPE_SCI 0x6E
 #define EC_GPE_SWI 0x6B
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/galp5/devicetree.cb

@@ -279,6 +279,13 @@ chip soc/intel/tigerlake
 				register "srcclk_pin" = "2" # PEG_CLKREQ#
 				device generic 0 on end
 			end
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device ref pcie_rp9 on
 			# PCIe root port #9 x1, Clock 3 (CARD)

src/mainboard/system76/galp5/gpio.h

@@ -5,6 +5,12 @@
 
 #include <soc/gpio.h>
 
+#define DGPU_RST_N	GPP_U4
+#define DGPU_PWR_EN	GPP_U5
+#define DGPU_GC6	GPP_D2
+
+#ifndef __ACPI__
+
 static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF(GPP_C20, UP_20K, DEEP, NF1), // UART2_RXD
 	PAD_CFG_NF(GPP_C21, UP_20K, DEEP, NF1), // UART2_TXD
@@ -222,4 +228,6 @@ static const struct pad_config gpio_table[] = {
 	//PAD_CFG_GPO(GPP_U5, 0, DEEP), // DGPU_PWR_EN
 };
 
+#endif /* __ACPI__ */
+
 #endif /* MAINBOARD_GPIO_H */

src/mainboard/system76/galp5/romstage.c

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "gpio.h"
+#include <drivers/gfx/nvidia/gpu.h>
 #include <fsp/util.h>
 #include <soc/meminit.h>
 #include <soc/romstage.h>
@@ -18,5 +20,20 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
 	};
 	const bool half_populated = false;
 
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	mupd->FspmConfig.PrimaryDisplay = 0;
+
+	// Allow memory clocks higher than 2933 MHz
+	mupd->FspmConfig.SaOcSupport = 1;
+
 	memcfg_init(&mupd->FspmConfig, &board_cfg, &spd_info, half_populated);
 }

src/mainboard/system76/gaze15/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_GAZE14 || BOARD_SYSTEM76_GAZE15
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS

src/mainboard/system76/gaze15/acpi/mainboard.asl

@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <variant/gpio.h>
+#include <drivers/gfx/nvidia/acpi/gpu.asl>
+
 #define EC_GPE_SCI 0x03 /* GPP_K3 */
 #define EC_GPE_SWI 0x06 /* GPP_K6 */
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/gaze15/devicetree.cb

@@ -57,6 +57,13 @@ chip soc/intel/cannonlake
 			# PCI Express Graphics #0 x16, Clock 8 (NVIDIA GPU)
 			register "PcieClkSrcUsage[8]" = "0x40"
 			register "PcieClkSrcClkReq[8]" = "8"
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device pci 02.0 on      # Integrated Graphics Device
 			register "gfx" = "GMA_DEFAULT_PANEL(0)"

src/mainboard/system76/gaze15/include/variant/gpio.h

@@ -3,7 +3,15 @@
 #ifndef VARIANT_GPIO_H
 #define VARIANT_GPIO_H
 
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_K21
+
+#ifndef __ACPI__
 void variant_configure_early_gpios(void);
 void variant_configure_gpios(void);
+#endif
 
 #endif

src/mainboard/system76/gaze15/romstage.c

@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
 #include <soc/cnl_memcfg_init.h>
 #include <soc/romstage.h>
+#include <variant/gpio.h>
 
 static const struct cnl_mb_cfg memcfg = {
 	.spd[0] = {
@@ -20,5 +22,17 @@ static const struct cnl_mb_cfg memcfg = {
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	memupd->FspmConfig.PrimaryDisplay = 0;
+
 	cannonlake_memcfg_init(&memupd->FspmConfig, &memcfg);
 }

src/mainboard/system76/gaze16/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_GAZE16_3050 || BOARD_SYSTEM76_GAZE16_3060 || BOARD_SYSTEM76_GA
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select EC_SYSTEM76_EC
 	select EC_SYSTEM76_EC_BAT_THRESHOLDS

src/mainboard/system76/gaze16/acpi/dgpu.asl

@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Scope (\_SB.PCI0.PEG1)
+{
+	Device (DEV0)
+	{
+		Name(_ADR, 0x00000000)
+
+		OperationRegion (PCIC, PCI_Config, 0x00, 0x50)
+		Field (PCIC, DwordAcc, NoLock, Preserve)
+		{
+			Offset (0x40),
+			SSID, 32
+		}
+
+		Name (_PR0, Package () { PWRR })
+		Name (_PR3, Package () { PWRR })
+		PowerResource (PWRR, 0, 0)
+		{
+			Name (_STA, 1)
+
+			Method (_ON)
+			{
+				^^SSID = 0x40181558
+				Printf("GPU _ON %o", ToHexString(^^SSID))
+				_STA = 1
+			}
+
+			Method (_OFF)
+			{
+				Printf("GPU _OFF %o", ToHexString(^^SSID))
+				_STA = 0
+			}
+		}
+	}
+}

src/mainboard/system76/gaze16/acpi/mainboard.asl

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "dgpu.asl"
+
 #define EC_GPE_SCI 0x6E
 #define EC_GPE_SWI 0x6B
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/gaze16/romstage.c

@@ -1,8 +1,10 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
 #include <fsp/util.h>
 #include <soc/meminit.h>
 #include <soc/romstage.h>
+#include <variant/gpio.h>
 #include "variant.h"
 
 static const struct mb_cfg board_cfg = {
@@ -22,9 +24,21 @@ static const struct mem_spd spd_info = {
 
 void mainboard_memory_init_params(FSPM_UPD *mupd)
 {
+	const bool half_populated = false;
+
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
 	variant_memory_init_params(mupd);
 
-	const bool half_populated = false;
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	mupd->FspmConfig.PrimaryDisplay = 0;
 
 	memcfg_init(&mupd->FspmConfig, &board_cfg, &spd_info, half_populated);
 }

src/mainboard/system76/gaze16/variants/3050/include/variant/gpio.h

@@ -5,6 +5,12 @@
 
 #include <soc/gpio.h>
 
+#define DGPU_RST_N	GPP_F8
+#define DGPU_PWR_EN	GPP_F9
+#define DGPU_GC6	GPP_K11
+
+#ifndef __ACPI__
+
 static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), // UART2_RXD
 	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), // UART2_TXD
@@ -285,4 +291,6 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_GPI(GPP_S7, NONE, DEEP), // DMIC_DAT_PCH
 };
 
+#endif /* __ACPI__ */
+
 #endif /* VARIANT_GPIO_H */

src/mainboard/system76/gaze16/variants/3050/overridetree.cb

@@ -17,6 +17,13 @@ chip soc/intel/tigerlake
 				register "srcclk_pin" = "-1" # GFX_CLKREQ0#
 				device generic 0 on end
 			end
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device ref peg0 on
 			# PCIe PEG0 x4, Clock 4 (SSD2)

src/mainboard/system76/gaze16/variants/3060/include/variant/gpio.h

@@ -5,6 +5,12 @@
 
 #include <soc/gpio.h>
 
+#define DGPU_RST_N	GPP_F8
+#define DGPU_PWR_EN	GPP_F9
+#define DGPU_GC6	GPP_K11
+
+#ifndef __ACPI__
+
 static const struct pad_config early_gpio_table[] = {
 	PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), // UART2_RXD
 	PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), // UART2_TXD
@@ -285,4 +291,6 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_GPI(GPP_S7, NONE, DEEP), // MIC_DATA_PCH
 };
 
+#endif /* __ACPI__ */
+
 #endif /* VARIANT_GPIO_H */

src/mainboard/system76/gaze16/variants/3060/overridetree.cb

@@ -17,6 +17,13 @@ chip soc/intel/tigerlake
 				register "srcclk_pin" = "-1" # PEG_CLKREQ#
 				device generic 0 on end
 			end
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device ref peg0 on
 			# PCIe PEG0 x4, Clock 7 (SSD1)

src/mainboard/system76/oryp5/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_ORYP5
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_I2C_TAS5825M
 	select EC_SYSTEM76_EC

src/mainboard/system76/oryp5/acpi/mainboard.asl

@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <mainboard/gpio.h>
+#include <drivers/gfx/nvidia/acpi/gpu.asl>
+
 #define EC_GPE_SCI 0x17 /* GPP_B23 */
 #define EC_GPE_SWI 0x26 /* GPP_G6 */
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/oryp5/devicetree.cb

@@ -65,6 +65,13 @@ chip soc/intel/cannonlake
 			# PCI Express Graphics #0 x16, Clock 8 (NVIDIA GPU)
 			register "PcieClkSrcUsage[8]" = "0x40"
 			register "PcieClkSrcClkReq[8]" = "8"
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device pci 02.0 on      # Integrated Graphics Device
 			register "gfx" = "GMA_DEFAULT_PANEL(0)"

src/mainboard/system76/oryp5/include/mainboard/gpio.h

@@ -3,7 +3,15 @@
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
 
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_C12
+
+#ifndef __ACPI__
 void mainboard_configure_early_gpios(void);
 void mainboard_configure_gpios(void);
+#endif
 
 #endif

src/mainboard/system76/oryp5/romstage.c

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
+#include <mainboard/gpio.h>
 #include <soc/cnl_memcfg_init.h>
 #include <soc/romstage.h>
 
@@ -20,6 +22,18 @@ static const struct cnl_mb_cfg memcfg = {
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	memupd->FspmConfig.PrimaryDisplay = 0;
+
 	// Allow memory speeds higher than 2666 MT/s
 	memupd->FspmConfig.SaOcSupport = 1;
 

src/mainboard/system76/oryp6/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_ORYP6 || BOARD_SYSTEM76_ORYP7
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_I2C_TAS5825M
 	select EC_SYSTEM76_EC

src/mainboard/system76/oryp6/Makefile.inc

@@ -1,4 +1,5 @@
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include
 
 bootblock-y += bootblock.c
 bootblock-y += variants/$(VARIANT_DIR)/gpio_early.c

src/mainboard/system76/oryp6/acpi/mainboard.asl

@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <variant/dgpu.h>
+#include <drivers/gfx/nvidia/acpi/gpu.asl>
+
 #define EC_GPE_SCI 0x03 /* GPP_K3 */
 #define EC_GPE_SWI 0x06 /* GPP_K6 */
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/oryp6/devicetree.cb

@@ -62,6 +62,13 @@ chip soc/intel/cannonlake
 			# PCI Express Graphics #0 x16, Clock 8 (NVIDIA GPU)
 			register "PcieClkSrcUsage[8]" = "0x40"
 			register "PcieClkSrcClkReq[8]" = "8"
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device pci 02.0 on      # Integrated Graphics Device
 			register "gfx" = "GMA_DEFAULT_PANEL(0)"

src/mainboard/system76/oryp6/romstage.c

@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
 #include <soc/cnl_memcfg_init.h>
 #include <soc/romstage.h>
+#include <variant/dgpu.h>
 #include <variant/romstage.h>
 
 static const struct cnl_mb_cfg memcfg = {
@@ -21,6 +23,18 @@ static const struct cnl_mb_cfg memcfg = {
 
 void mainboard_memory_init_params(FSPM_UPD *memupd)
 {
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	memupd->FspmConfig.PrimaryDisplay = 0;
+
 	variant_configure_fspm(memupd);
 
 	cannonlake_memcfg_init(&memupd->FspmConfig, &memcfg);

src/mainboard/system76/oryp6/variants/oryp6/include/variant/dgpu.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_DGPU_H
+#define VARIANT_DGPU_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_K21
+
+#endif

src/mainboard/system76/oryp6/variants/oryp7/include/variant/dgpu.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef VARIANT_DGPU_H
+#define VARIANT_DGPU_H
+
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F22
+#define DGPU_PWR_EN	GPP_F23
+#define DGPU_GC6	GPP_K21
+
+#endif

src/mainboard/system76/oryp8/Kconfig

@@ -3,6 +3,7 @@ if BOARD_SYSTEM76_ORYP8
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GFX_NVIDIA
 	select DRIVERS_I2C_HID
 	select DRIVERS_I2C_TAS5825M
 	select EC_SYSTEM76_EC

src/mainboard/system76/oryp8/acpi/dgpu.asl

@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Scope (\_SB.PCI0.PEG1)
+{
+	Device (DEV0)
+	{
+		Name(_ADR, 0x00000000)
+
+		OperationRegion (PCIC, PCI_Config, 0x00, 0x50)
+		Field (PCIC, DwordAcc, NoLock, Preserve)
+		{
+			Offset (0x40),
+			SSID, 32
+		}
+
+		Name (_PR0, Package () { PWRR })
+		Name (_PR3, Package () { PWRR })
+		PowerResource (PWRR, 0, 0)
+		{
+			Name (_STA, 1)
+
+			Method (_ON)
+			{
+				^^SSID = 0x40181558
+				Printf("GPU _ON %o", ToHexString(^^SSID))
+				_STA = 1
+			}
+
+			Method (_OFF)
+			{
+				Printf("GPU _OFF %o", ToHexString(^^SSID))
+				_STA = 0
+			}
+		}
+	}
+}

src/mainboard/system76/oryp8/acpi/mainboard.asl

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include "dgpu.asl"
+
 #define EC_GPE_SCI 0x6E
 #define EC_GPE_SWI 0x6B
 #include <ec/system76/ec/acpi/ec.asl>

src/mainboard/system76/oryp8/devicetree.cb

@@ -103,6 +103,13 @@ chip soc/intel/tigerlake
 				register "srcclk_pin" = "-1" # PEG_CLKREQ#
 				device generic 0 on end
 			end
+
+			chip drivers/gfx/nvidia
+				device pci 00.0 on end # VGA controller
+				device pci 00.1 on end # Audio device
+				device pci 00.2 on end # USB xHCI Host controller
+				device pci 00.3 on end # USB Type-C UCSI controller
+			end
 		end
 		device ref igpu on
 			# DDIA is eDP

src/mainboard/system76/oryp8/include/mainboard/gpio.h

@@ -3,7 +3,15 @@
 #ifndef MAINBOARD_GPIO_H
 #define MAINBOARD_GPIO_H
 
+#include <soc/gpio.h>
+
+#define DGPU_RST_N	GPP_F8
+#define DGPU_PWR_EN	GPP_F9
+#define DGPU_GC6	GPP_K11
+
+#ifndef __ACPI__
 void mainboard_configure_early_gpios(void);
 void mainboard_configure_gpios(void);
+#endif
 
 #endif

src/mainboard/system76/oryp8/romstage.c

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <drivers/gfx/nvidia/gpu.h>
+#include <mainboard/gpio.h>
 #include <fsp/util.h>
 #include <soc/meminit.h>
 #include <soc/romstage.h>
@@ -23,6 +25,18 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
 {
 	const bool half_populated = false;
 
+	const struct nvidia_gpu_config config = {
+		.power_gpio = DGPU_PWR_EN,
+		.reset_gpio = DGPU_RST_N,
+		.enable = true,
+	};
+
+	// Enable dGPU power
+	nvidia_set_power(&config);
+
+	// Set primary display to internal graphics
+	mupd->FspmConfig.PrimaryDisplay = 0;
+
 	// Enable M.2 PCIE 4.0 and PEG1
 	mupd->FspmConfig.CpuPcieRpEnableMask = 0x3;