9195 static u32 dce8_dram_bandwidth(struct dce8_wm_params *wm)  in dce8_dram_bandwidth()  argument
9203 	yclk.full = dfixed_const(wm->yclk);  in dce8_dram_bandwidth()
9205 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce8_dram_bandwidth()
9224 static u32 dce8_dram_bandwidth_for_display(struct dce8_wm_params *wm)  in dce8_dram_bandwidth_for_display()  argument
9232 	yclk.full = dfixed_const(wm->yclk);  in dce8_dram_bandwidth_for_display()
9234 	dram_channels.full = dfixed_const(wm->dram_channels * 4);  in dce8_dram_bandwidth_for_display()
9253 static u32 dce8_data_return_bandwidth(struct dce8_wm_params *wm)  in dce8_data_return_bandwidth()  argument
9261 	sclk.full = dfixed_const(wm->sclk);  in dce8_data_return_bandwidth()
9282 static u32 dce8_dmif_request_bandwidth(struct dce8_wm_params *wm)  in dce8_dmif_request_bandwidth()  argument
9290 	disp_clk.full = dfixed_const(wm->disp_clk);  in dce8_dmif_request_bandwidth()
9313 static u32 dce8_available_bandwidth(struct dce8_wm_params *wm)  in dce8_available_bandwidth()  argument
9316 	u32 dram_bandwidth = dce8_dram_bandwidth(wm);  in dce8_available_bandwidth()
9317 	u32 data_return_bandwidth = dce8_data_return_bandwidth(wm);  in dce8_available_bandwidth()
9318 	u32 dmif_req_bandwidth = dce8_dmif_request_bandwidth(wm);  in dce8_available_bandwidth()
9332 static u32 dce8_average_bandwidth(struct dce8_wm_params *wm)  in dce8_average_bandwidth()  argument
9345 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);  in dce8_average_bandwidth()
9347 	bpp.full = dfixed_const(wm->bytes_per_pixel);  in dce8_average_bandwidth()
9348 	src_width.full = dfixed_const(wm->src_width);  in dce8_average_bandwidth()
9350 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);  in dce8_average_bandwidth()
9365 static u32 dce8_latency_watermark(struct dce8_wm_params *wm)  in dce8_latency_watermark()  argument
9369 	u32 available_bandwidth = dce8_available_bandwidth(wm);  in dce8_latency_watermark()
9372 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */  in dce8_latency_watermark()
9373 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +  in dce8_latency_watermark()
9374 		(wm->num_heads * cursor_line_pair_return_time);  in dce8_latency_watermark()
9380 	if (wm->num_heads == 0)  in dce8_latency_watermark()
9385 	if ((wm->vsc.full > a.full) ||  in dce8_latency_watermark()
9386 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||  in dce8_latency_watermark()
9387 	    (wm->vtaps >= 5) ||  in dce8_latency_watermark()
9388 	    ((wm->vsc.full >= a.full) && wm->interlaced))  in dce8_latency_watermark()
9394 	b.full = dfixed_const(wm->num_heads);  in dce8_latency_watermark()
9398 	c.full = dfixed_const(wm->disp_clk);  in dce8_latency_watermark()
9407 	c.full = dfixed_const(wm->disp_clk);  in dce8_latency_watermark()
9409 	c.full = dfixed_const(wm->bytes_per_pixel);  in dce8_latency_watermark()
9414 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);  in dce8_latency_watermark()
9421 	if (line_fill_time < wm->active_time)  in dce8_latency_watermark()
9424 		return latency + (line_fill_time - wm->active_time);  in dce8_latency_watermark()
9439 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
9441 	if (dce8_average_bandwidth(wm) <=  in dce8_average_bandwidth_vs_dram_bandwidth_for_display()
9442 	    (dce8_dram_bandwidth_for_display(wm) / wm->num_heads))  in dce8_average_bandwidth_vs_dram_bandwidth_for_display()
9459 static bool dce8_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)  in dce8_average_bandwidth_vs_available_bandwidth()  argument
9461 	if (dce8_average_bandwidth(wm) <=  in dce8_average_bandwidth_vs_available_bandwidth()
9462 	    (dce8_available_bandwidth(wm) / wm->num_heads))  in dce8_average_bandwidth_vs_available_bandwidth()
9477 static bool dce8_check_latency_hiding(struct dce8_wm_params *wm)  in dce8_check_latency_hiding()  argument
9479 	u32 lb_partitions = wm->lb_size / wm->src_width;  in dce8_check_latency_hiding()
9480 	u32 line_time = wm->active_time + wm->blank_time;  in dce8_check_latency_hiding()
9486 	if (wm->vsc.full > a.full)  in dce8_check_latency_hiding()
9489 		if (lb_partitions <= (wm->vtaps + 1))  in dce8_check_latency_hiding()
9495 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);  in dce8_check_latency_hiding()
9497 	if (dce8_latency_watermark(wm) <= latency_hiding)  in dce8_check_latency_hiding()