1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 8849b74078d6..9b639974c70c 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -729,11 +729,13 @@ static int soc15_common_early_init(void *handle)
         case CHIP_RAVEN:
                 adev->asic_funcs = &soc15_asic_funcs;
                 if (adev->rev_id >= 0x8)
-                        adev->external_rev_id = adev->rev_id + 0x81;
+                        adev->external_rev_id = adev->rev_id + 0x79;
                 else if (adev->pdev->device == 0x15d8)
                         adev->external_rev_id = adev->rev_id + 0x41;
+                else if (adev->rev_id == 1)
+                        adev->external_rev_id = adev->rev_id + 0x20;
                 else
-                        adev->external_rev_id = 0x1;
+                        adev->external_rev_id = adev->rev_id + 0x01;
 
                 if (adev->rev_id >= 0x8) {
                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |