[PATCH 1/3] drm/amdgpu: Don't offset by 2 in FRU EEPROM

[Luben Tuikov]

Read buffers no longer expose the I2C address, and so we don't need to
offset by two when we get the read data.

Cc: Alex Deucher <Alexander.Deucher at amd.com>
Cc: Kent Russell <kent.russell at amd.com>
Cc: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
Fixes: bd607166af7fe3 ("drm/amdgpu: Enable reading FRU chip via I2C v3")
Signed-off-by: Luben Tuikov <luben.tuikov at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index ce5d5ee336a990..32f38d0dd43dd9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -103,17 +103,13 @@ static int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t addrptr,
 
 int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 {
-	unsigned char buff[AMDGPU_PRODUCT_NAME_LEN+2];
+	unsigned char buff[AMDGPU_PRODUCT_NAME_LEN];
 	u32 addrptr;
 	int size, len;
-	int offset = 2;
 
 	if (!is_fru_eeprom_supported(adev))
 		return 0;
 
-	if (adev->asic_type == CHIP_ALDEBARAN)
-		offset = 0;
-
 	/* If algo exists, it means that the i2c_adapter's initialized */
 	if (!adev->pm.fru_eeprom_i2c_bus || !adev->pm.fru_eeprom_i2c_bus->algo) {
 		DRM_WARN("Cannot access FRU, EEPROM accessor not initialized");
@@ -155,8 +151,8 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 				AMDGPU_PRODUCT_NAME_LEN);
 		len = AMDGPU_PRODUCT_NAME_LEN - 1;
 	}
-	/* Start at 2 due to buff using fields 0 and 1 for the address */
-	memcpy(adev->product_name, &buff[offset], len);
+
+	memcpy(adev->product_name, buff, len);
 	adev->product_name[len] = '\0';
 
 	addrptr += size + 1;
@@ -174,7 +170,7 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 		DRM_WARN("FRU Product Number is larger than 16 characters. This is likely a mistake");
 		len = sizeof(adev->product_number) - 1;
 	}
-	memcpy(adev->product_number, &buff[offset], len);
+	memcpy(adev->product_number, buff, len);
 	adev->product_number[len] = '\0';
 
 	addrptr += size + 1;
@@ -201,7 +197,7 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 		DRM_WARN("FRU Serial Number is larger than 16 characters. This is likely a mistake");
 		len = sizeof(adev->serial) - 1;
 	}
-	memcpy(adev->serial, &buff[offset], len);
+	memcpy(adev->serial, &buff, len);
 	adev->serial[len] = '\0';
 
 	return 0;

base-commit: 1b768224871f72e594f41eded3a14d682e39f796
-- 
2.35.0.3.gb23dac905b