drm/amd/display: Add DCE_VERSION_12_1 enum for Vega 20

[Why]
We'll need a way to differentiate Vega 20 in DC

[How]
Add a DCE_VERSION_12_1 enum, which will be returned as the DC version if
the ASIC used is a Vega 20.
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: David Francis <David.Francis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c

@@ -67,6 +67,7 @@ bool dal_bios_parser_init_cmd_tbl_helper2(
 		return true;
 #endif
 	case DCE_VERSION_12_0:
+	case DCE_VERSION_12_1:
 		*h = dal_cmd_tbl_helper_dce112_get_table2();
 		return true;
 

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

@@ -83,7 +83,10 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
 			dc_version = DCE_VERSION_11_22;
 		break;
 	case FAMILY_AI:
-		dc_version = DCE_VERSION_12_0;
+		if (ASICREV_IS_VEGA20_P(asic_id.hw_internal_rev))
+			dc_version = DCE_VERSION_12_1;
+		else
+			dc_version = DCE_VERSION_12_0;
 		break;
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
 	case FAMILY_RV:
@@ -136,6 +139,7 @@ struct resource_pool *dc_create_resource_pool(
 			num_virtual_links, dc);
 		break;
 	case DCE_VERSION_12_0:
+	case DCE_VERSION_12_1:
 		res_pool = dce120_create_resource_pool(
 			num_virtual_links, dc);
 		break;

drivers/gpu/drm/amd/display/dc/gpio/hw_factory.c

@@ -79,6 +79,7 @@ bool dal_hw_factory_init(
 		dal_hw_factory_dce110_init(factory);
 		return true;
 	case DCE_VERSION_12_0:
+	case DCE_VERSION_12_1:
 		dal_hw_factory_dce120_init(factory);
 		return true;
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)

drivers/gpu/drm/amd/display/dc/gpio/hw_translate.c

@@ -76,6 +76,7 @@ bool dal_hw_translate_init(
 		dal_hw_translate_dce110_init(translate);
 		return true;
 	case DCE_VERSION_12_0:
+	case DCE_VERSION_12_1:
 		dal_hw_translate_dce120_init(translate);
 		return true;
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)

drivers/gpu/drm/amd/display/dc/i2caux/i2caux.c

@@ -90,6 +90,7 @@ struct i2caux *dal_i2caux_create(
 	case DCE_VERSION_10_0:
 		return dal_i2caux_dce100_create(ctx);
 	case DCE_VERSION_12_0:
+	case DCE_VERSION_12_1:
 		return dal_i2caux_dce120_create(ctx);
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
 	case DCN_VERSION_1_0:

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

@@ -42,6 +42,7 @@ enum dce_version {
 	DCE_VERSION_11_2,
 	DCE_VERSION_11_22,
 	DCE_VERSION_12_0,
+	DCE_VERSION_12_1,
 	DCE_VERSION_MAX,
 	DCN_VERSION_1_0,
 #if defined(CONFIG_DRM_AMD_DC_DCN1_01)