[PATCH 316/459] drm/amd/display: Add DCN2 and NV ASIC ID

[Alex Deucher <alexdeucher@xxxxxxxxx>]

From: Harry Wentland <harry.wentland@xxxxxxx>

DCN2.0 (Display Core Next) is the display block in Navi10.

Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 .../gpu/drm/amd/display/include/dal_asic_id.h | 25 +++++++++++++++++++
 .../gpu/drm/amd/display/include/dal_types.h   |  3 +++
 2 files changed, 28 insertions(+)

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 b302ff3180a4..5ce1832ab41f 100644
--- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h
+++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h
@@ -147,6 +147,31 @@
 
 #define FAMILY_RV 142 /* DCN 1*/
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+
+#define FAMILY_NV 143 /* DCN 2*/
+
+enum {
+	NV_NAVI10_P_A0      = 1,
+	NV_NAVI12_P_A0      = 10,
+	NV_NAVI14_M_A0      = 20,
+	NV_NAVI21_P_A0      = 40,
+	NV_NAVI10_LITE_P_A0 = 0x80,
+	NV_NAVI10_LITE_P_B0 = 0x81,
+	NV_NAVI12_LITE_P_A0 = 0x82,
+	NV_NAVI21_LITE_P_A0 = 0x90,
+	NV_UNKNOWN          = 0xFF
+};
+
+#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_NAVI21_P_A0))
+#define ASICREV_IS_NAVI21_M(eChipRev)        ((eChipRev >= NV_NAVI21_P_A0) && (eChipRev < NV_NAVI10_LITE_P_A0))
+#define ASICREV_IS_NAVI10_LITE_P(eChipRev)   ((eChipRev >= NV_NAVI10_LITE_P_A0) && (eChipRev < NV_NAVI12_LITE_P_A0))
+#define ASICREV_IS_NAVI12_LITE_P(eChipRev)   ((eChipRev >= NV_NAVI12_LITE_P_A0) && (eChipRev < NV_NAVI21_LITE_P_A0))
+#define ASICREV_IS_NAVI21_LITE_P(eChipRev)   ((eChipRev >= NV_NAVI21_LITE_P_A0) && (eChipRev < NV_UNKNOWN))
+#endif
+
 /*
  * 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 dabdbc0999d4..1e3ce4d847ae 100644
--- a/drivers/gpu/drm/amd/display/include/dal_types.h
+++ b/drivers/gpu/drm/amd/display/include/dal_types.h
@@ -46,6 +46,9 @@ enum dce_version {
 	DCE_VERSION_MAX,
 	DCN_VERSION_1_0,
 	DCN_VERSION_1_01,
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+	DCN_VERSION_2_0,
+#endif
 	DCN_VERSION_MAX
 };
 
-- 
2.20.1

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