From 64a3dbb06ad88d89a0958ccafc4f01611657f641 Mon Sep 17 00:00:00 2001
From: Luben Tuikov <luben.tuikov@amd.com>
Date: Tue, 15 Nov 2022 00:36:03 -0500
Subject: [PATCH] drm/amdgpu: Add support for RAS table at 0x40000
Add support for RAS table at I2C EEPROM address of 0x40000, since on some
ASICs it is not at 0, but at 0x40000.
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Kent Russell <kent.russell@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Tested-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index f63bd31e199c8..2d9f3f4cd79e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -157,6 +157,7 @@ static bool __get_eeprom_i2c_addr_ip_discovery(struct amdgpu_device *adev,
static bool __get_eeprom_i2c_addr(struct amdgpu_device *adev,
struct amdgpu_ras_eeprom_control *control)
{
+ struct atom_context *atom_ctx = adev->mode_info.atom_context;
u8 i2c_addr;
if (!control)
@@ -190,7 +191,11 @@ static bool __get_eeprom_i2c_addr(struct amdgpu_device *adev,
break;
case CHIP_ALDEBARAN:
- control->i2c_address = EEPROM_I2C_MADDR_0;
+ if (strnstr(atom_ctx->vbios_version, "D673",
+ sizeof(atom_ctx->vbios_version)))
+ control->i2c_address = EEPROM_I2C_MADDR_4;
+ else
+ control->i2c_address = EEPROM_I2C_MADDR_0;
break;
case CHIP_IP_DISCOVERY:
--
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