drm/amd/display: Add ASICREV_IS_NAVI macros

They are used by DC to determine ASIC revs.
Signed-off-by: NLeo Li <sunpeng.li@amd.com>
Reviewed-by: NRoman Li <Roman.Li@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -153,11 +153,13 @@
 
 enum {
 	NV_NAVI10_P_A0      = 1,
+	NV_NAVI12_P_A0      = 10,
 	NV_NAVI14_M_A0      = 20,
 	NV_UNKNOWN          = 0xFF
 };
 
-#define ASICREV_IS_NAVI10_P(eChipRev)        (eChipRev < NV_NAVI14_M_A0)
+#define ASICREV_IS_NAVI10_P(eChipRev)        (eChipRev < NV_NAVI12_P_A0)
+#define ASICREV_IS_NAVI12_P(eChipRev)        ((eChipRev >= NV_NAVI12_P_A0) && (eChipRev < NV_NAVI14_M_A0))
 #define ASICREV_IS_NAVI14_M(eChipRev)        ((eChipRev >= NV_NAVI14_M_A0) && (eChipRev < NV_UNKNOWN))
 #endif