drm/amd/display: Add DCN315 CORE

DC core changes for DCN 3.1.5.
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/dc/core/dc_link.c

@@ -3236,9 +3236,16 @@ bool dc_link_setup_psr(struct dc_link *link,
 	/*skip power down the single pipe since it blocks the cstate*/
 #if defined(CONFIG_DRM_AMD_DC_DCN)
 	if (link->ctx->asic_id.chip_family >= FAMILY_RV) {
-		psr_context->psr_level.bits.SKIP_CRTC_DISABLE = true;
-		if (link->ctx->asic_id.chip_family == FAMILY_YELLOW_CARP && !dc->debug.disable_z10)
+		switch(link->ctx->asic_id.chip_family) {
+		case FAMILY_YELLOW_CARP:
+		case AMDGPU_FAMILY_GC_10_3_6:
+			if(!dc->debug.disable_z10)
 				psr_context->psr_level.bits.SKIP_CRTC_DISABLE = false;
+			break;
+		default:
+			psr_context->psr_level.bits.SKIP_CRTC_DISABLE = true;
+			break;
+		}
 	}
 #else
 	if (link->ctx->asic_id.chip_family >= FAMILY_RV)

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

@@ -66,6 +66,7 @@
 #include "dcn302/dcn302_resource.h"
 #include "dcn303/dcn303_resource.h"
 #include "dcn31/dcn31_resource.h"
+#include "dcn315/dcn315_resource.h"
 #include "dcn316/dcn316_resource.h"
 #endif
 
@@ -156,6 +157,10 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
 		if (ASICREV_IS_YELLOW_CARP(asic_id.hw_internal_rev))
 			dc_version = DCN_VERSION_3_1;
 		break;
+	case AMDGPU_FAMILY_GC_10_3_6:
+		if (ASICREV_IS_GC_10_3_6(asic_id.hw_internal_rev))
+			dc_version = DCN_VERSION_3_15;
+		break;
 	case AMDGPU_FAMILY_GC_10_3_7:
 		if (ASICREV_IS_GC_10_3_7(asic_id.hw_internal_rev))
 			dc_version = DCN_VERSION_3_16;
@@ -251,6 +256,9 @@ struct resource_pool *dc_create_resource_pool(struct dc  *dc,
 	case DCN_VERSION_3_1:
 		res_pool = dcn31_create_resource_pool(init_data, dc);
 		break;
+	case DCN_VERSION_3_15:
+		res_pool = dcn315_create_resource_pool(init_data, dc);
+		break;
 	case DCN_VERSION_3_16:
 		res_pool = dcn316_create_resource_pool(init_data, dc);
 		break;