868 static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm)  in dce_v8_0_dram_bandwidth()  argument
876 	yclk.full = dfixed_const(wm->yclk);  in dce_v8_0_dram_bandwidth()
878 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce_v8_0_dram_bandwidth()
897 static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm)  in dce_v8_0_dram_bandwidth_for_display()  argument
905 	yclk.full = dfixed_const(wm->yclk);  in dce_v8_0_dram_bandwidth_for_display()
907 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce_v8_0_dram_bandwidth_for_display()
926 static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm)  in dce_v8_0_data_return_bandwidth()  argument
934 	sclk.full = dfixed_const(wm->sclk);  in dce_v8_0_data_return_bandwidth()
955 static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm)  in dce_v8_0_dmif_request_bandwidth()  argument
963 	disp_clk.full = dfixed_const(wm->disp_clk);  in dce_v8_0_dmif_request_bandwidth()
986 static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm)  in dce_v8_0_available_bandwidth()  argument
989 	u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm);  in dce_v8_0_available_bandwidth()
990 	u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm);  in dce_v8_0_available_bandwidth()
991 	u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm);  in dce_v8_0_available_bandwidth()
1005 static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm)  in dce_v8_0_average_bandwidth()  argument
1018 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);  in dce_v8_0_average_bandwidth()
1020 	bpp.full = dfixed_const(wm->bytes_per_pixel);  in dce_v8_0_average_bandwidth()
1021 	src_width.full = dfixed_const(wm->src_width);  in dce_v8_0_average_bandwidth()
1023 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);  in dce_v8_0_average_bandwidth()
1038 static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)  in dce_v8_0_latency_watermark()  argument
1042 	u32 available_bandwidth = dce_v8_0_available_bandwidth(wm);  in dce_v8_0_latency_watermark()
1045 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */  in dce_v8_0_latency_watermark()
1046 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +  in dce_v8_0_latency_watermark()
1047 		(wm->num_heads * cursor_line_pair_return_time);  in dce_v8_0_latency_watermark()
1053 	if (wm->num_heads == 0)  in dce_v8_0_latency_watermark()
1058 	if ((wm->vsc.full > a.full) ||  in dce_v8_0_latency_watermark()
1059 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||  in dce_v8_0_latency_watermark()
1060 	    (wm->vtaps >= 5) ||  in dce_v8_0_latency_watermark()
1061 	    ((wm->vsc.full >= a.full) && wm->interlaced))  in dce_v8_0_latency_watermark()
1067 	b.full = dfixed_const(wm->num_heads);  in dce_v8_0_latency_watermark()
1071 	c.full = dfixed_const(wm->disp_clk);  in dce_v8_0_latency_watermark()
1080 	c.full = dfixed_const(wm->disp_clk);  in dce_v8_0_latency_watermark()
1082 	c.full = dfixed_const(wm->bytes_per_pixel);  in dce_v8_0_latency_watermark()
1087 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);  in dce_v8_0_latency_watermark()
1094 	if (line_fill_time < wm->active_time)  in dce_v8_0_latency_watermark()
1097 		return latency + (line_fill_time - wm->active_time);  in dce_v8_0_latency_watermark()
1112 static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)  in dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display()  argument
1114 	if (dce_v8_0_average_bandwidth(wm) <=  in dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display()
1115 	    (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads))  in dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display()
1132 static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)  in dce_v8_0_average_bandwidth_vs_available_bandwidth()  argument
1134 	if (dce_v8_0_average_bandwidth(wm) <=  in dce_v8_0_average_bandwidth_vs_available_bandwidth()
1135 	    (dce_v8_0_available_bandwidth(wm) / wm->num_heads))  in dce_v8_0_average_bandwidth_vs_available_bandwidth()
1150 static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm)  in dce_v8_0_check_latency_hiding()  argument
1152 	u32 lb_partitions = wm->lb_size / wm->src_width;  in dce_v8_0_check_latency_hiding()
1153 	u32 line_time = wm->active_time + wm->blank_time;  in dce_v8_0_check_latency_hiding()
1159 	if (wm->vsc.full > a.full)  in dce_v8_0_check_latency_hiding()
1162 		if (lb_partitions <= (wm->vtaps + 1))  in dce_v8_0_check_latency_hiding()
1168 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);  in dce_v8_0_check_latency_hiding()
1170 	if (dce_v8_0_latency_watermark(wm) <= latency_hiding)  in dce_v8_0_check_latency_hiding()