From a2a1f1eb06d73a45a60970c77403687918966fc6 Mon Sep 17 00:00:00 2001
From: Brandon Syu <Brandon.Syu@amd.com>
Date: Fri, 8 Nov 2019 11:26:06 +0800
Subject: drm/amd/display: fixed that I2C over AUX didn't read data issue
Git-commit: a2a1f1eb06d73a45a60970c77403687918966fc6
Patch-mainline: v5.5-rc2
References: bsc#1152472

[Why]
The variable mismatch assignment error.

[How]
To use uint32_t replace it.

Signed-off-by: Brandon Syu <Brandon.Syu@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c      | 2 +-
 drivers/gpu/drm/amd/display/include/i2caux_interface.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index 7f904d55c1bc..81789191d4ec 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -586,7 +586,7 @@ bool dal_ddc_service_query_ddc_data(
 bool dal_ddc_submit_aux_command(struct ddc_service *ddc,
 		struct aux_payload *payload)
 {
-	uint8_t retrieved = 0;
+	uint32_t retrieved = 0;
 	bool ret = 0;
 
 	if (!ddc)
diff --git a/drivers/gpu/drm/amd/display/include/i2caux_interface.h b/drivers/gpu/drm/amd/display/include/i2caux_interface.h
index bb012cb1a9f5..c7fbb9c3ad6b 100644
--- a/drivers/gpu/drm/amd/display/include/i2caux_interface.h
+++ b/drivers/gpu/drm/amd/display/include/i2caux_interface.h
@@ -42,7 +42,7 @@ struct aux_payload {
 	bool write;
 	bool mot;
 	uint32_t address;
-	uint8_t length;
+	uint32_t length;
 	uint8_t *data;
 	/*
 	 * used to return the reply type of the transaction
-- 
2.28.0