3 files changed, 17 insertions, 2 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 c9ec46c6b4c6..090230d29df8 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -258,6 +258,20 @@ enum {
 #define ASICREV_IS_GC_11_0_3(eChipRev) (eChipRev >= GC_11_0_3_A0 && eChipRev < GC_11_UNKNOWN)
 #define ASICREV_IS_GC_11_0_4(eChipRev) (eChipRev >= GC_11_0_4_A0 && eChipRev < GC_11_UNKNOWN)
 
+#define AMDGPU_FAMILY_GC_12_0_0         152 /* GC 12.0.0 */
+
+enum {
+	GC_12_0_0_A0 = 0x50,
+	GC_12_0_1_A0 = 0x40,
+	GC_12_UNKNOWN = 0xFF,
+};
+
+#define ASICREV_IS_GC_12_0_1_A0(eChipRev)        (eChipRev >= GC_12_0_1_A0 && eChipRev < GC_12_0_0_A0)
+#define ASICREV_IS_GC_12_0_0_A0(eChipRev)        (eChipRev >= GC_12_0_0_A0 && eChipRev < 0xFF)
+
+#define ASICREV_IS_DCN4(eChipRev)	(eChipRev >= GC_12_0_1_A0 && eChipRev < GC_12_0_0_A0)
+#define ASICREV_IS_DCN401(eChipRev)	(eChipRev >= GC_12_0_0_A0 && eChipRev < GC_12_UNKNOWN)
+
 /*
  * ASIC chip ID
  */
diff --git a/drivers/gpu/drm/amd/display/include/dal_types.h b/drivers/gpu/drm/amd/display/include/dal_types.h
index 447768dec887..654387cf057f 100644
--- a/drivers/gpu/drm/amd/display/include/dal_types.h
+++ b/drivers/gpu/drm/amd/display/include/dal_types.h
@@ -63,6 +63,7 @@ enum dce_version {
 	DCN_VERSION_3_21,
 	DCN_VERSION_3_5,
 	DCN_VERSION_3_51,
+	DCN_VERSION_4_01,
 	DCN_VERSION_MAX
 };
 
diff --git a/drivers/gpu/drm/amd/display/include/grph_object_id.h b/drivers/gpu/drm/amd/display/include/grph_object_id.h
index 08ee0350b31f..54e33062b3c0 100644
--- a/drivers/gpu/drm/amd/display/include/grph_object_id.h
+++ b/drivers/gpu/drm/amd/display/include/grph_object_id.h
@@ -226,8 +226,8 @@ enum dp_alt_mode {
 
 struct graphics_object_id {
 	uint32_t  id:8;
-	enum object_enum_id  enum_id;
-	enum object_type  type;
+	enum object_enum_id  enum_id :4;
+	enum object_type  type :4;
 	uint32_t  reserved:16; /* for padding. total size should be u32 */
 };