drm/amdgpu/soc15: get rev_id in soc15_common_early_init

for consistency with other SoCs.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -1155,7 +1155,7 @@ static int soc15_common_early_init(void *handle)
 	adev->se_cac_rreg = &soc15_se_cac_rreg;
 	adev->se_cac_wreg = &soc15_se_cac_wreg;
 
-
+	adev->rev_id = soc15_get_rev_id(adev);
 	adev->external_rev_id = 0xFF;
 	switch (adev->asic_type) {
 	case CHIP_VEGA10: