if (adev->asic_type == CHIP_VEGA10 ||
            adev->asic_type == CHIP_VEGA12 ||
+           adev->asic_type == CHIP_VEGA20 ||
            adev->asic_type == CHIP_RAVEN)
                client_id = SOC15_IH_CLIENTID_DCE;
 
 #endif
        case CHIP_VEGA10:
        case CHIP_VEGA12:
+       case CHIP_VEGA20:
                if (dce110_register_irq_handlers(dm->adev)) {
                        DRM_ERROR("DM: Failed to initialize IRQ\n");
                        goto fail;
                break;
        case CHIP_VEGA10:
        case CHIP_VEGA12:
+       case CHIP_VEGA20:
                adev->mode_info.num_crtc = 6;
                adev->mode_info.num_hpd = 6;
                adev->mode_info.num_dig = 6;
 
        if (adev->asic_type == CHIP_VEGA10 ||
            adev->asic_type == CHIP_VEGA12 ||
+           adev->asic_type == CHIP_VEGA20 ||
            adev->asic_type == CHIP_RAVEN) {
                /* Fill GFX9 params */
                plane_state->tiling_info.gfx9.num_pipes =