drm/amdgpu: add vangogh apu flag

This patch is to add vangogh apu flag to support more kickers that
belongs vangogh series.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -941,6 +941,7 @@ static int nv_common_early_init(void *handle)
 		break;
 
 	case CHIP_VANGOGH:
+		adev->apu_flags |= AMD_APU_IS_VANGOGH;
 		adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG |
 			AMD_CG_SUPPORT_GFX_CGLS |
 			AMD_CG_SUPPORT_GFX_3D_CGCG |
@@ -951,6 +952,7 @@ static int nv_common_early_init(void *handle)
 			AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_JPEG;
+		if (adev->apu_flags & AMD_APU_IS_VANGOGH)
 			adev->external_rev_id = adev->rev_id + 0x01;
 		break;
 	case CHIP_DIMGREY_CAVEFISH:

drivers/gpu/drm/amd/include/amd_shared.h

@@ -46,6 +46,7 @@ enum amd_apu_flags {
 	AMD_APU_IS_PICASSO = 0x00000004UL,
 	AMD_APU_IS_RENOIR = 0x00000008UL,
 	AMD_APU_IS_GREEN_SARDINE = 0x00000010UL,
+	AMD_APU_IS_VANGOGH = 0x00000020UL,
 };
 
 /**