drm/amd: Enable FRU EEPROM for Sienna Cichlid

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@amd.com>
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index 4018064..ce5d5ee 100644 (file)
--- 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;
        }