From ebf14826279d814259e8daf31891bf58120a6623 Mon Sep 17 00:00:00 2001
From: Furquan Shaikh <furquan@google.com>
Date: Thu, 16 Sep 2021 20:54:21 -0700
Subject: [PATCH] mb/google/hatch/var/jinlon: Switch to using device pointers

This change replaces the device tree walks with device pointers by
adding alias for igpu (integrated graphics) device in the tree.

Change-Id: I6d159f6dc674f4a0b38ebb553c5141105405a883
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57745
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
---
 .../google/hatch/variants/jinlon/mainboard.c          | 11 +++--------
 .../google/hatch/variants/jinlon/overridetree.cb      |  2 +-
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/src/mainboard/google/hatch/variants/jinlon/mainboard.c b/src/mainboard/google/hatch/variants/jinlon/mainboard.c
index cf9344ee5a..d2e5b43bcd 100644
--- a/src/mainboard/google/hatch/variants/jinlon/mainboard.c
+++ b/src/mainboard/google/hatch/variants/jinlon/mainboard.c
@@ -4,7 +4,6 @@
 #include <console/console.h>
 #include <ec/google/chromeec/ec.h>
 #include <device/device.h>
-#include <drivers/gfx/generic/chip.h>
 #include <variant/sku.h>
 
 static bool eps_sku(uint32_t sku_id)
@@ -21,23 +20,19 @@ static bool eps_sku(uint32_t sku_id)
 
 static void check_for_eps(uint32_t sku_id)
 {
-	struct device *gfx_dev;
+	struct device *gfx_dev = DEV_PTR(igpu);
 
 	if (eps_sku(sku_id)) {
 		printk(BIOS_INFO, "SKU ID %u has EPS\n", sku_id);
 		return;
 	}
 
-	gfx_dev = find_gfx_dev();
 	if (!gfx_dev) {
-		printk(BIOS_ERR,
-		       "Error! No EPS dev, view-angle-management won't work\n");
+		printk(BIOS_ERR, "Error! No EPS dev, view-angle-management won't work\n");
 		return;
 	}
 
-	printk(BIOS_INFO,
-	       "SKU ID %u doesn't have EPS, disabling...\n",
-	       sku_id);
+	printk(BIOS_INFO, "SKU ID %u doesn't have EPS, disabling...\n", sku_id);
 	gfx_dev->enabled = 0;
 }
 
diff --git a/src/mainboard/google/hatch/variants/jinlon/overridetree.cb b/src/mainboard/google/hatch/variants/jinlon/overridetree.cb
index 16402af784..b3887d4db1 100644
--- a/src/mainboard/google/hatch/variants/jinlon/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/jinlon/overridetree.cb
@@ -69,7 +69,7 @@ chip soc/intel/cannonlake
 	register "ScsEmmcHs400Enabled" = "1"
 
 	device domain 0 on
-		device pci 02.0 on	# Integrated Graphics Device
+		device pci 02.0 alias igpu on	# Integrated Graphics Device
 			register "gfx" = "GMA_DEFAULT_PANEL(0)"
 		end
 		device pci 02.0 on