2041 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)  in evergreen_dram_bandwidth()  argument
2049 	yclk.full = dfixed_const(wm->yclk);  in evergreen_dram_bandwidth()
2051 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in evergreen_dram_bandwidth()
2061 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)  in evergreen_dram_bandwidth_for_display()  argument
2069 	yclk.full = dfixed_const(wm->yclk);  in evergreen_dram_bandwidth_for_display()
2071 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in evergreen_dram_bandwidth_for_display()
2081 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)  in evergreen_data_return_bandwidth()  argument
2089 	sclk.full = dfixed_const(wm->sclk);  in evergreen_data_return_bandwidth()
2101 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)  in evergreen_dmif_request_bandwidth()  argument
2109 	disp_clk.full = dfixed_const(wm->disp_clk);  in evergreen_dmif_request_bandwidth()
2121 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)  in evergreen_available_bandwidth()  argument
2124 	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);  in evergreen_available_bandwidth()
2125 	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);  in evergreen_available_bandwidth()
2126 	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);  in evergreen_available_bandwidth()
2131 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)  in evergreen_average_bandwidth()  argument
2144 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);  in evergreen_average_bandwidth()
2146 	bpp.full = dfixed_const(wm->bytes_per_pixel);  in evergreen_average_bandwidth()
2147 	src_width.full = dfixed_const(wm->src_width);  in evergreen_average_bandwidth()
2149 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);  in evergreen_average_bandwidth()
2155 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)  in evergreen_latency_watermark()  argument
2159 	u32 available_bandwidth = evergreen_available_bandwidth(wm);  in evergreen_latency_watermark()
2162 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */  in evergreen_latency_watermark()
2163 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +  in evergreen_latency_watermark()
2164 		(wm->num_heads * cursor_line_pair_return_time);  in evergreen_latency_watermark()
2169 	if (wm->num_heads == 0)  in evergreen_latency_watermark()
2174 	if ((wm->vsc.full > a.full) ||  in evergreen_latency_watermark()
2175 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||  in evergreen_latency_watermark()
2176 	    (wm->vtaps >= 5) ||  in evergreen_latency_watermark()
2177 	    ((wm->vsc.full >= a.full) && wm->interlaced))  in evergreen_latency_watermark()
2183 	b.full = dfixed_const(wm->num_heads);  in evergreen_latency_watermark()
2187 	c.full = dfixed_const(wm->disp_clk);  in evergreen_latency_watermark()
2189 	c.full = dfixed_const(wm->bytes_per_pixel);  in evergreen_latency_watermark()
2194 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);  in evergreen_latency_watermark()
2201 	if (line_fill_time < wm->active_time)  in evergreen_latency_watermark()
2204 		return latency + (line_fill_time - wm->active_time);  in evergreen_latency_watermark()
2208 …atic bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)  in evergreen_average_bandwidth_vs_dram_bandwidth_for_display()  argument
2210 	if (evergreen_average_bandwidth(wm) <=  in evergreen_average_bandwidth_vs_dram_bandwidth_for_display()
2211 	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))  in evergreen_average_bandwidth_vs_dram_bandwidth_for_display()
2217 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)  in evergreen_average_bandwidth_vs_available_bandwidth()  argument
2219 	if (evergreen_average_bandwidth(wm) <=  in evergreen_average_bandwidth_vs_available_bandwidth()
2220 	    (evergreen_available_bandwidth(wm) / wm->num_heads))  in evergreen_average_bandwidth_vs_available_bandwidth()
2226 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)  in evergreen_check_latency_hiding()  argument
2228 	u32 lb_partitions = wm->lb_size / wm->src_width;  in evergreen_check_latency_hiding()
2229 	u32 line_time = wm->active_time + wm->blank_time;  in evergreen_check_latency_hiding()
2235 	if (wm->vsc.full > a.full)  in evergreen_check_latency_hiding()
2238 		if (lb_partitions <= (wm->vtaps + 1))  in evergreen_check_latency_hiding()
2244 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);  in evergreen_check_latency_hiding()
2246 	if (evergreen_latency_watermark(wm) <= latency_hiding)  in evergreen_check_latency_hiding()