From 060c7c7f0618dd281fb38942916b5f9737d2b9ca Mon Sep 17 00:00:00 2001
From: Ruihai Zhou <zhouruihai@huaqin.corp-partner.google.com>
Date: Fri, 22 Sep 2023 10:21:37 +0800
Subject: mb/google/corsola: Fine tune LCM ADC voltages

The tolerance of LCM voltage table is too small which leads to wrong
panel ID detection. Fine tune LCM ADC voltages based on hardware
calculations.

BUG=b:300418909
TEST=FW screen display normally

Signed-off-by: Ruihai Zhou <zhouruihai@huaqin.corp-partner.google.com>
Change-Id: Id8dec043584f4c552837f70adb491584bfda7acf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
---
 src/mainboard/google/corsola/boardid.c       | 24 ++++++++++++------------
 src/mainboard/google/corsola/panel_starmie.c |  4 ++--
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/mainboard/google/corsola/boardid.c b/src/mainboard/google/corsola/boardid.c
index a0c08abb54..59c9f5cf03 100644
--- a/src/mainboard/google/corsola/boardid.c
+++ b/src/mainboard/google/corsola/boardid.c
@@ -23,18 +23,18 @@ enum {
 
 static const unsigned int lcm_voltages[ADC_LEVELS] = {
 	/* ID : Voltage (unit: uV) */
-	[0]  =        0,
-	[1]  =   283000,
-	[2]  =   394000,
-	[3]  =   490000,
-	[4]  =   640000,
-	[5]  =   712000,
-	[6]  =   800000,
-	[7]  =   867000,
-	[8]  =   960000,
-	[9]  =  1070000,
-	[10] =  1190000,
-	[11] =  1434000,
+	[0]  =       0,
+	[1]  =   89191,
+	[2]  =  148419,
+	[3]  =  205240,
+	[4]  =  282774,
+	[5]  =  393556,
+	[6]  =  495561,
+	[7]  =  641944,
+	[8]  =  798049,
+	[9]  =  960054,
+	[10] = 1191264,
+	[11] = 1433691,
 };
 
 static const unsigned int ram_voltages[ADC_LEVELS] = {
diff --git a/src/mainboard/google/corsola/panel_starmie.c b/src/mainboard/google/corsola/panel_starmie.c
index 106f722080..c55d82d4c7 100644
--- a/src/mainboard/google/corsola/panel_starmie.c
+++ b/src/mainboard/google/corsola/panel_starmie.c
@@ -49,13 +49,13 @@ static void mipi_panel_power_on(void)
 static struct panel_description starmie_panels[] = {
 	/* K&D panel vendor and ILI9882T chip,
 	   K&D and STA panel are identical except manufacturer_name. */
-	[3] = {
+	[6] = {
 		.power_on = mipi_panel_power_on,
 		.name = "STA_ILI9882T",
 		.orientation = LB_FB_ORIENTATION_LEFT_UP,
 	},
 	/* STA panel vendor and ILI9882T chip */
-	[8] = {
+	[9] = {
 		.power_on = mipi_panel_power_on,
 		.name = "STA_ILI9882T",
 		.orientation = LB_FB_ORIENTATION_LEFT_UP,
-- 
cgit v1.2.3