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-rw-r--r--drivers/gpu/drm/amd/display/include/dal_asic_id.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/dal_asic_id.h b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
index 1b987b6a347d..77d2856be9f6 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -117,6 +117,12 @@
((rev >= STONEY_A0) && (rev < CZ_UNKNOWN))
/* DCE12 */
+#define AI_UNKNOWN 0xFF
+
+#ifdef CONFIG_DRM_AMD_DC_VG20
+#define AI_VEGA20_P_A0 40
+#define ASICREV_IS_VEGA20_P(eChipRev) ((eChipRev >= AI_VEGA20_P_A0) && (eChipRev < AI_UNKNOWN))
+#endif
#define AI_GREENLAND_P_A0 1
#define AI_GREENLAND_P_A1 2