drm/amd/display: Add DCN315 DM Support

Add display manager support 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/amdgpu_dm/amdgpu_dm.c

@@ -114,6 +114,8 @@ MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH_DMUB);
 MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY_DMUB);
 #define FIRMWARE_YELLOW_CARP_DMUB "amdgpu/yellow_carp_dmcub.bin"
 MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP_DMUB);
+#define FIRMWARE_DCN_315_DMUB "amdgpu/dcn_3_1_5_dmcub.bin"
+MODULE_FIRMWARE(FIRMWARE_DCN_315_DMUB);
 #define FIRMWARE_DCN316_DMUB "amdgpu/dcn_3_1_6_dmcub.bin"
 MODULE_FIRMWARE(FIRMWARE_DCN316_DMUB);
 
@@ -1465,6 +1467,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		case IP_VERSION(3, 0, 1):
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
+		case IP_VERSION(3, 1, 5):
 			init_data.flags.gpu_vm_support = true;
 			break;
 		case IP_VERSION(2, 0, 3):
@@ -1803,6 +1806,7 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
 		case IP_VERSION(3, 0, 1):
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
+		case IP_VERSION(3, 1, 5):
 		case IP_VERSION(3, 1, 6):
 			return 0;
 		default:
@@ -1919,11 +1923,14 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 		dmub_asic = (adev->external_rev_id == YELLOW_CARP_B0) ? DMUB_ASIC_DCN31B : DMUB_ASIC_DCN31;
 		fw_name_dmub = FIRMWARE_YELLOW_CARP_DMUB;
 		break;
+	case IP_VERSION(3, 1, 5):
+		dmub_asic = DMUB_ASIC_DCN315;
+		fw_name_dmub = FIRMWARE_DCN_315_DMUB;
+		break;
 	case IP_VERSION(3, 1, 6):
 		dmub_asic = DMUB_ASIC_DCN316;
 		fw_name_dmub = FIRMWARE_DCN316_DMUB;
 		break;
-
 	default:
 		/* ASIC doesn't support DMUB. */
 		return 0;
@@ -4231,6 +4238,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 	case IP_VERSION(3, 0, 0):
 	case IP_VERSION(3, 1, 2):
 	case IP_VERSION(3, 1, 3):
+	case IP_VERSION(3, 1, 5):
 	case IP_VERSION(3, 1, 6):
 	case IP_VERSION(2, 1, 0):
 		if (register_outbox_irq_handlers(dm->adev)) {
@@ -4248,6 +4256,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 		switch (adev->ip_versions[DCE_HWIP][0]) {
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
+		case IP_VERSION(3, 1, 5):
 		case IP_VERSION(3, 1, 6):
 			psr_feature_enabled = true;
 			break;
@@ -4366,6 +4375,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 		case IP_VERSION(3, 0, 1):
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
+		case IP_VERSION(3, 1, 5):
 		case IP_VERSION(3, 1, 6):
 			if (dcn10_register_irq_handlers(dm->adev)) {
 				DRM_ERROR("DM: Failed to initialize IRQ\n");
@@ -4552,6 +4562,7 @@ static int dm_early_init(void *handle)
 		case IP_VERSION(2, 1, 0):
 		case IP_VERSION(3, 1, 2):
 		case IP_VERSION(3, 1, 3):
+		case IP_VERSION(3, 1, 5):
 		case IP_VERSION(3, 1, 6):
 			adev->mode_info.num_crtc = 4;
 			adev->mode_info.num_hpd = 4;
@@ -5225,6 +5236,7 @@ get_plane_modifiers(const struct amdgpu_device *adev, unsigned int plane_type, u
 	case AMDGPU_FAMILY_NV:
 	case AMDGPU_FAMILY_VGH:
 	case AMDGPU_FAMILY_YC:
+	case AMDGPU_FAMILY_GC_10_3_6:
 	case AMDGPU_FAMILY_GC_10_3_7:
 		if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0))
 			add_gfx10_3_modifiers(adev, mods, &size, &capacity);

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c

@@ -664,6 +664,7 @@ struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct
 
 		hdcp_work[i].hdcp.config.psp.handle = &adev->psp;
 		if (dc->ctx->dce_version == DCN_VERSION_3_1 ||
+		    dc->ctx->dce_version == DCN_VERSION_3_15 ||
 		    dc->ctx->dce_version == DCN_VERSION_3_16)
 			hdcp_work[i].hdcp.config.psp.caps.dtm_v3_supported = 1;
 		hdcp_work[i].hdcp.config.ddc.handle = dc_get_link_at_index(dc, i);