253 /* Get current available scaler from the component->supported_outputs */
443 komeda_scaler_check_cfg(struct komeda_scaler *scaler,  in komeda_scaler_check_cfg()  argument
455 	if (!malidp_in_range(&scaler->hsize, hsize_in) ||  in komeda_scaler_check_cfg()
456 	    !malidp_in_range(&scaler->hsize, hsize_out)) {  in komeda_scaler_check_cfg()
461 	if (!malidp_in_range(&scaler->vsize, vsize_in) ||  in komeda_scaler_check_cfg()
462 	    !malidp_in_range(&scaler->vsize, vsize_out)) {  in komeda_scaler_check_cfg()
468 	 * and scaler can not do upscaling for writeback  in komeda_scaler_check_cfg()
473 		max_upscaling = scaler->max_upscaling;  in komeda_scaler_check_cfg()
476 				 scaler->max_downscaling)) {  in komeda_scaler_check_cfg()
482 				 scaler->max_downscaling)) {  in komeda_scaler_check_cfg()
488 		struct komeda_pipeline *pipe = scaler->base.pipeline;  in komeda_scaler_check_cfg()
511 	struct komeda_scaler *scaler;  in komeda_scaler_validate()  local
517 	scaler = komeda_component_get_avail_scaler(dflow->input.component,  in komeda_scaler_validate()
519 	if (!scaler) {  in komeda_scaler_validate()
520 		DRM_DEBUG_ATOMIC("No scaler available");  in komeda_scaler_validate()
524 	err = komeda_scaler_check_cfg(scaler, kcrtc_st, dflow);  in komeda_scaler_validate()
528 	c_st = komeda_component_get_state_and_set_user(&scaler->base,  in komeda_scaler_validate()
553 	komeda_component_set_output(&dflow->input, &scaler->base, 0);  in komeda_scaler_validate()
557 static void komeda_split_data_flow(struct komeda_scaler *scaler,
843 	struct komeda_scaler *scaler = layer->base.pipeline->scalers[0];  in komeda_complete_data_flow_cfg()  local
865 	/* try to enable split if scaling exceed the scaler's acceptable  in komeda_complete_data_flow_cfg()
868 	if (dflow->en_scaling && scaler)  in komeda_complete_data_flow_cfg()
869 		dflow->en_split = !malidp_in_range(&scaler->hsize, dflow->in_w) ||  in komeda_complete_data_flow_cfg()
870 				  !malidp_in_range(&scaler->hsize, dflow->out_w);  in komeda_complete_data_flow_cfg()
914  * Split is introduced for workaround scaler's input/output size limitation.
915  * The idea is simple, if one scaler can not fit the requirement, use two.
917  * the scaling by two scaler separately and independently.
924  * unnecessary pixels when scaling, we need to crop them before scaler output
945 static void komeda_split_data_flow(struct komeda_scaler *scaler,  in komeda_split_data_flow()  argument
962 	if (dflow->en_scaling && scaler)  in komeda_split_data_flow()
963 		overlap += scaler->scaling_split_overlap;  in komeda_split_data_flow()
970 	if (dflow->en_img_enhancement && scaler)  in komeda_split_data_flow()
971 		overlap += scaler->enh_split_overlap;  in komeda_split_data_flow()
990 			/* split without scaler, no overlap */  in komeda_split_data_flow()
997 		 * 1. scaler is enabled (overlap != 0), we can do a alignment  in komeda_split_data_flow()
998 		 *    both left/right and crop the extra data by scaler.  in komeda_split_data_flow()
999 		 * 2. scaler is not enabled, only align the split left  in komeda_split_data_flow()
1023 		/* do YUV alignment when scaler enabled */  in komeda_split_data_flow()
1048 	/* left scaler output more data and do crop */  in komeda_split_data_flow()
1076  *             / layer-left -> scaler->\
1078  *             \ layer-right-> scaler->/
1080  * Since merger only supports scaler as input, so for none-scaling split, two
1133 /* writeback data path: compiz -> scaler -> wb_layer -> memory */
1150  *                   /-> scaler ->\
1152  *                   \-> scaler ->/