drm/amd/display: Notify powerplay the display controller id

powerplay can recalculate the number of active display
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -41,6 +41,7 @@ bool dm_pp_apply_display_requirements(
 		const struct dm_pp_display_configuration *pp_display_cfg)
 {
 	struct amdgpu_device *adev = ctx->driver_context;
+	int i;
 
 	if (adev->pm.dpm_enabled) {
 
@@ -95,6 +96,12 @@ bool dm_pp_apply_display_requirements(
 		adev->pm.pm_display_cfg.crossfire_display_index = -1;
 		adev->pm.pm_display_cfg.min_bus_bandwidth = 0;
 
+		for (i = 0; i < pp_display_cfg->display_count; i++) {
+			const struct dm_pp_single_disp_config *dc_cfg =
+						&pp_display_cfg->disp_configs[i];
+			adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1;
+		}
+
 		/* TODO: complete implementation of
 		 * pp_display_configuration_change().
 		 * Follow example of: