drm/amd/display: Add green_sardine support to DC

Display Core support for green_sardine

Signed-off-by: Roman Li <Roman.Li@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Roman Li

drivers/gpu/drm/amd/display/Kconfig

@@ -17,6 +17,14 @@ config DRM_AMD_DC_DCN
 	help
 	  Raven, Navi and Renoir family support for display engine
 
+config DRM_AMD_DC_GREEN_SARDINE
+	bool "Green Sardine support"
+	default y
+	depends on DRM_AMD_DC_DCN
+        help
+            Choose this option if you want to have
+            Green Sardine support for display engine
+
 config DRM_AMD_DC_DCN3_0
         bool "DCN 3.0 family"
         depends on DRM_AMD_DC && X86

drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c

@@ -166,6 +166,13 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p
 			rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
 			break;
 		}
+
+#if defined(CONFIG_DRM_AMD_DC_GREEN_SARDINE)
+		if (ASICREV_IS_GREEN_SARDINE(asic_id.hw_internal_rev)) {
+			rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
+			break;
+		}
+#endif
 		if (ASICREV_IS_RAVEN2(asic_id.hw_internal_rev)) {
 			rv2_clk_mgr_construct(ctx, clk_mgr, pp_smu);
 			break;

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

@@ -120,6 +120,10 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
 			dc_version = DCN_VERSION_1_01;
 		if (ASICREV_IS_RENOIR(asic_id.hw_internal_rev))
 			dc_version = DCN_VERSION_2_1;
+#if defined(CONFIG_DRM_AMD_DC_GREEN_SARDINE)
+		if (ASICREV_IS_GREEN_SARDINE(asic_id.hw_internal_rev))
+			dc_version = DCN_VERSION_2_1;
+#endif
 		break;
 #endif
 

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

@@ -205,6 +205,12 @@ enum {
 #if defined(CONFIG_DRM_AMD_DC_DCN3_0)
 #define ASICREV_IS_SIENNA_CICHLID_P(eChipRev)        ((eChipRev >= NV_SIENNA_CICHLID_P_A0))
 #endif
+#if defined(CONFIG_DRM_AMD_DC_GREEN_SARDINE)
+#define GREEN_SARDINE_A0 0xA1
+#ifndef ASICREV_IS_GREEN_SARDINE
+#define ASICREV_IS_GREEN_SARDINE(eChipRev) ((eChipRev >= GREEN_SARDINE_A0) && (eChipRev < 0xFF))
+#endif
+#endif
 
 /*
  * ASIC chip ID