drm/amd/display: Add DCN315 family information

Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/include/dal_asic_id.h

@@ -235,6 +235,12 @@ enum {
 #define ASICREV_IS_YELLOW_CARP(eChipRev) ((eChipRev >= YELLOW_CARP_A0) && (eChipRev < YELLOW_CARP_UNKNOWN))
 #endif
 
+#define AMDGPU_FAMILY_GC_10_3_6                     149
+#define GC_10_3_6_A0            0x01
+#define GC_10_3_6_UNKNOWN       0xFF
+
+#define ASICREV_IS_GC_10_3_6(eChipRev) ((eChipRev >= GC_10_3_6_A0) && (eChipRev < GC_10_3_6_UNKNOWN))
+
 #define AMDGPU_FAMILY_GC_10_3_7                151
 #define GC_10_3_7_A0 0x01
 #define GC_10_3_7_UNKNOWN 0xFF

drivers/gpu/drm/amd/display/include/dal_types.h

@@ -57,6 +57,7 @@ enum dce_version {
 	DCN_VERSION_3_02,
 	DCN_VERSION_3_03,
 	DCN_VERSION_3_1,
+	DCN_VERSION_3_15,
 	DCN_VERSION_3_16,
 	DCN_VERSION_MAX
 };