From: Chris Park <chris.park@amd.com>
Date: Fri, 12 Jul 2024 16:50:48 +0000 (-0400)
Subject: drm/amd/display: Add two dmmuy I2C entry for GPIO port mapping issue
X-Git-Tag: v6.12-rc1~15^2~21^2~282
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=0e4b858285e633ea6bc7335fd66529955d023af9;p=linux-block.git

drm/amd/display: Add two dmmuy I2C entry for GPIO port mapping issue

[Why]
When only 4 I2C is declared, two dummies are required to correctly map
GPIO port.

[How]
Add one more I2C dummy entry to match GPIO port.

Signed-off-by: Chris Park <chris.park@amd.com>
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c b/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c
index 46415cab23ab..928abca18a18 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/dcn401/hw_factory_dcn401.c
@@ -86,7 +86,13 @@ static const struct ddc_registers ddc_data_regs_dcn[] = {
 	ddc_data_regs_dcn2(2),
 	ddc_data_regs_dcn2(3),
 	ddc_data_regs_dcn2(4),
-//	ddc_data_regs_dcn2(5),
+	{
+		// add a dummy entry for cases no such port
+		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,},
+		.ddc_setup = 0,
+		.phy_aux_cntl = 0,
+		.dc_gpio_aux_ctrl_5 = 0
+	},
 	{
 		// add a dummy entry for cases no such port
 		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,},
@@ -107,7 +113,13 @@ static const struct ddc_registers ddc_clk_regs_dcn[] = {
 	ddc_clk_regs_dcn2(2),
 	ddc_clk_regs_dcn2(3),
 	ddc_clk_regs_dcn2(4),
-//	ddc_clk_regs_dcn2(5),
+	{
+		// add a dummy entry for cases no such port
+		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,},
+		.ddc_setup = 0,
+		.phy_aux_cntl = 0,
+		.dc_gpio_aux_ctrl_5 = 0
+	},
 	{
 		// add a dummy entry for cases no such port
 		{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,},