[PATCH 2/2] drm/amd: Enable FRU EEPROM for Sienna Cichlid

[Luben Tuikov]

Enable the FRU EEPROM I2C bus for Sienna Cichlid
server boards, for which it is enabled by checking
the VBIOS version.

Cc: Roy Sun <Roy.Sun at amd.com>
Cc: Alex Deucher <Alexander.Deucher at amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index 40180648be3811..ce5d5ee336a990 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -46,7 +46,7 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev)
 	if (amdgpu_sriov_vf(adev))
 		return false;
 
-	/* VBIOS is of the format ###-DXXXYY-##. For SKU identification,
+	/* VBIOS is of the format ###-DXXXYYYY-##. For SKU identification,
 	 * we can use just the "DXXX" portion. If there were more models, we
 	 * could convert the 3 characters to a hex integer and use a switch
 	 * for ease/speed/readability. For now, 2 string comparisons are
@@ -65,6 +65,12 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev)
 	case CHIP_ALDEBARAN:
 		/* All Aldebaran SKUs have the FRU */
 		return true;
+	case CHIP_SIENNA_CICHLID:
+		if (strnstr(atom_ctx->vbios_version, "D603",
+			    sizeof(atom_ctx->vbios_version)))
+			return true;
+		else
+			return false;
 	default:
 		return false;
 	}
-- 
2.34.0