2013 static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm)  in dce6_dram_bandwidth()  argument
2021 	yclk.full = dfixed_const(wm->yclk);  in dce6_dram_bandwidth()
2023 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce6_dram_bandwidth()
2033 static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm)  in dce6_dram_bandwidth_for_display()  argument
2041 	yclk.full = dfixed_const(wm->yclk);  in dce6_dram_bandwidth_for_display()
2043 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce6_dram_bandwidth_for_display()
2053 static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm)  in dce6_data_return_bandwidth()  argument
2061 	sclk.full = dfixed_const(wm->sclk);  in dce6_data_return_bandwidth()
2073 static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm)  in dce6_get_dmif_bytes_per_request()  argument
2078 static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm)  in dce6_dmif_request_bandwidth()  argument
2087 	disp_clk.full = dfixed_const(wm->disp_clk);  in dce6_dmif_request_bandwidth()
2089 	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2);  in dce6_dmif_request_bandwidth()
2093 	sclk.full = dfixed_const(wm->sclk);  in dce6_dmif_request_bandwidth()
2095 	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm));  in dce6_dmif_request_bandwidth()
2110 static u32 dce6_available_bandwidth(struct dce6_wm_params *wm)  in dce6_available_bandwidth()  argument
2113 	u32 dram_bandwidth = dce6_dram_bandwidth(wm);  in dce6_available_bandwidth()
2114 	u32 data_return_bandwidth = dce6_data_return_bandwidth(wm);  in dce6_available_bandwidth()
2115 	u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm);  in dce6_available_bandwidth()
2120 static u32 dce6_average_bandwidth(struct dce6_wm_params *wm)  in dce6_average_bandwidth()  argument
2133 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);  in dce6_average_bandwidth()
2135 	bpp.full = dfixed_const(wm->bytes_per_pixel);  in dce6_average_bandwidth()
2136 	src_width.full = dfixed_const(wm->src_width);  in dce6_average_bandwidth()
2138 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);  in dce6_average_bandwidth()
2144 static u32 dce6_latency_watermark(struct dce6_wm_params *wm)  in dce6_latency_watermark()  argument
2148 	u32 available_bandwidth = dce6_available_bandwidth(wm);  in dce6_latency_watermark()
2151 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */  in dce6_latency_watermark()
2152 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +  in dce6_latency_watermark()
2153 		(wm->num_heads * cursor_line_pair_return_time);  in dce6_latency_watermark()
2159 	if (wm->num_heads == 0)  in dce6_latency_watermark()
2164 	if ((wm->vsc.full > a.full) ||  in dce6_latency_watermark()
2165 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||  in dce6_latency_watermark()
2166 	    (wm->vtaps >= 5) ||  in dce6_latency_watermark()
2167 	    ((wm->vsc.full >= a.full) && wm->interlaced))  in dce6_latency_watermark()
2173 	b.full = dfixed_const(wm->num_heads);  in dce6_latency_watermark()
2177 	c.full = dfixed_const(wm->disp_clk);  in dce6_latency_watermark()
2186 	c.full = dfixed_const(wm->disp_clk);  in dce6_latency_watermark()
2188 	c.full = dfixed_const(wm->bytes_per_pixel);  in dce6_latency_watermark()
2193 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);  in dce6_latency_watermark()
2200 	if (line_fill_time < wm->active_time)  in dce6_latency_watermark()
2203 		return latency + (line_fill_time - wm->active_time);  in dce6_latency_watermark()
2207 static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)  in dce6_average_bandwidth_vs_dram_bandwidth_for_display()  argument
2209 	if (dce6_average_bandwidth(wm) <=  in dce6_average_bandwidth_vs_dram_bandwidth_for_display()
2210 	    (dce6_dram_bandwidth_for_display(wm) / wm->num_heads))  in dce6_average_bandwidth_vs_dram_bandwidth_for_display()
2216 static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)  in dce6_average_bandwidth_vs_available_bandwidth()  argument
2218 	if (dce6_average_bandwidth(wm) <=  in dce6_average_bandwidth_vs_available_bandwidth()
2219 	    (dce6_available_bandwidth(wm) / wm->num_heads))  in dce6_average_bandwidth_vs_available_bandwidth()
2225 static bool dce6_check_latency_hiding(struct dce6_wm_params *wm)  in dce6_check_latency_hiding()  argument
2227 	u32 lb_partitions = wm->lb_size / wm->src_width;  in dce6_check_latency_hiding()
2228 	u32 line_time = wm->active_time + wm->blank_time;  in dce6_check_latency_hiding()
2234 	if (wm->vsc.full > a.full)  in dce6_check_latency_hiding()
2237 		if (lb_partitions <= (wm->vtaps + 1))  in dce6_check_latency_hiding()
2243 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);  in dce6_check_latency_hiding()
2245 	if (dce6_latency_watermark(wm) <= latency_hiding)  in dce6_check_latency_hiding()