9216 static u32 dce8_dram_bandwidth(struct dce8_wm_params *wm)  in dce8_dram_bandwidth()  argument
9224 	yclk.full = dfixed_const(wm->yclk);  in dce8_dram_bandwidth()
9226 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce8_dram_bandwidth()
9245 static u32 dce8_dram_bandwidth_for_display(struct dce8_wm_params *wm)  in dce8_dram_bandwidth_for_display()  argument
9253 	yclk.full = dfixed_const(wm->yclk);  in dce8_dram_bandwidth_for_display()
9255 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce8_dram_bandwidth_for_display()
9274 static u32 dce8_data_return_bandwidth(struct dce8_wm_params *wm)  in dce8_data_return_bandwidth()  argument
9282 	sclk.full = dfixed_const(wm->sclk);  in dce8_data_return_bandwidth()
9303 static u32 dce8_dmif_request_bandwidth(struct dce8_wm_params *wm)  in dce8_dmif_request_bandwidth()  argument
9311 	disp_clk.full = dfixed_const(wm->disp_clk);  in dce8_dmif_request_bandwidth()
9334 static u32 dce8_available_bandwidth(struct dce8_wm_params *wm)  in dce8_available_bandwidth()  argument
9337 	u32 dram_bandwidth = dce8_dram_bandwidth(wm);  in dce8_available_bandwidth()
9338 	u32 data_return_bandwidth = dce8_data_return_bandwidth(wm);  in dce8_available_bandwidth()
9339 	u32 dmif_req_bandwidth = dce8_dmif_request_bandwidth(wm);  in dce8_available_bandwidth()
9353 static u32 dce8_average_bandwidth(struct dce8_wm_params *wm)  in dce8_average_bandwidth()  argument
9366 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);  in dce8_average_bandwidth()
9368 	bpp.full = dfixed_const(wm->bytes_per_pixel);  in dce8_average_bandwidth()
9369 	src_width.full = dfixed_const(wm->src_width);  in dce8_average_bandwidth()
9371 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);  in dce8_average_bandwidth()
9386 static u32 dce8_latency_watermark(struct dce8_wm_params *wm)  in dce8_latency_watermark()  argument
9390 	u32 available_bandwidth = dce8_available_bandwidth(wm);  in dce8_latency_watermark()
9393 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */  in dce8_latency_watermark()
9394 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +  in dce8_latency_watermark()
9395 		(wm->num_heads * cursor_line_pair_return_time);  in dce8_latency_watermark()
9401 	if (wm->num_heads == 0)  in dce8_latency_watermark()
9406 	if ((wm->vsc.full > a.full) ||  in dce8_latency_watermark()
9407 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||  in dce8_latency_watermark()
9408 	    (wm->vtaps >= 5) ||  in dce8_latency_watermark()
9409 	    ((wm->vsc.full >= a.full) && wm->interlaced))  in dce8_latency_watermark()
9415 	b.full = dfixed_const(wm->num_heads);  in dce8_latency_watermark()
9419 	c.full = dfixed_const(wm->disp_clk);  in dce8_latency_watermark()
9428 	c.full = dfixed_const(wm->disp_clk);  in dce8_latency_watermark()
9430 	c.full = dfixed_const(wm->bytes_per_pixel);  in dce8_latency_watermark()
9435 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);  in dce8_latency_watermark()
9442 	if (line_fill_time < wm->active_time)  in dce8_latency_watermark()
9445 		return latency + (line_fill_time - wm->active_time);  in dce8_latency_watermark()
9460 static bool dce8_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)  in dce8_average_bandwidth_vs_dram_bandwidth_for_display()  argument
9462 	if (dce8_average_bandwidth(wm) <=  in dce8_average_bandwidth_vs_dram_bandwidth_for_display()
9463 	    (dce8_dram_bandwidth_for_display(wm) / wm->num_heads))  in dce8_average_bandwidth_vs_dram_bandwidth_for_display()
9480 static bool dce8_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)  in dce8_average_bandwidth_vs_available_bandwidth()  argument
9482 	if (dce8_average_bandwidth(wm) <=  in dce8_average_bandwidth_vs_available_bandwidth()
9483 	    (dce8_available_bandwidth(wm) / wm->num_heads))  in dce8_average_bandwidth_vs_available_bandwidth()
9498 static bool dce8_check_latency_hiding(struct dce8_wm_params *wm)  in dce8_check_latency_hiding()  argument
9500 	u32 lb_partitions = wm->lb_size / wm->src_width;  in dce8_check_latency_hiding()
9501 	u32 line_time = wm->active_time + wm->blank_time;  in dce8_check_latency_hiding()
9507 	if (wm->vsc.full > a.full)  in dce8_check_latency_hiding()
9510 		if (lb_partitions <= (wm->vtaps + 1))  in dce8_check_latency_hiding()
9516 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);  in dce8_check_latency_hiding()
9518 	if (dce8_latency_watermark(wm) <= latency_hiding)  in dce8_check_latency_hiding()