drm/amd/display: Remove unused dcn_find_dcfclk_suits_all

dcn_find_dcfclk_suits_all() last use was removed by 2018's
commit 4fd994c448a3 ("drm/amd/display: Start using the new pp_smu
interface")

Remove it, and the dcn_find_normalized_clock_vdd_Level helper it used.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/dc/dml/calcs/dcn_calcs.c

···
 		return false;
 }
 
-static unsigned int dcn_find_normalized_clock_vdd_Level(
-	const struct dc *dc,
-	enum dm_pp_clock_type clocks_type,
-	int clocks_in_khz)
-{
-	int vdd_level = dcn_bw_v_min0p65;
-
-	if (clocks_in_khz == 0)/*todo some clock not in the considerations*/
-		return vdd_level;
-
-	switch (clocks_type) {
-	case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
-		if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmax0p9*1000) {
-			vdd_level = dcn_bw_v_max0p91;
-			BREAK_TO_DEBUGGER();
-		} else if (clocks_in_khz > dc->dcn_soc->max_dispclk_vnom0p8*1000) {
-			vdd_level = dcn_bw_v_max0p9;
-		} else if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmid0p72*1000) {
-			vdd_level = dcn_bw_v_nom0p8;
-		} else if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmin0p65*1000) {
-			vdd_level = dcn_bw_v_mid0p72;
-		} else
-			vdd_level = dcn_bw_v_min0p65;
-		break;
-	case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
-		if (clocks_in_khz > dc->dcn_soc->phyclkv_max0p9*1000) {
-			vdd_level = dcn_bw_v_max0p91;
-			BREAK_TO_DEBUGGER();
-		} else if (clocks_in_khz > dc->dcn_soc->phyclkv_nom0p8*1000) {
-			vdd_level = dcn_bw_v_max0p9;
-		} else if (clocks_in_khz > dc->dcn_soc->phyclkv_mid0p72*1000) {
-			vdd_level = dcn_bw_v_nom0p8;
-		} else if (clocks_in_khz > dc->dcn_soc->phyclkv_min0p65*1000) {
-			vdd_level = dcn_bw_v_mid0p72;
-		} else
-			vdd_level = dcn_bw_v_min0p65;
-		break;
-
-	case DM_PP_CLOCK_TYPE_DPPCLK:
-		if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmax0p9*1000) {
-			vdd_level = dcn_bw_v_max0p91;
-			BREAK_TO_DEBUGGER();
-		} else if (clocks_in_khz > dc->dcn_soc->max_dppclk_vnom0p8*1000) {
-			vdd_level = dcn_bw_v_max0p9;
-		} else if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmid0p72*1000) {
-			vdd_level = dcn_bw_v_nom0p8;
-		} else if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmin0p65*1000) {
-			vdd_level = dcn_bw_v_mid0p72;
-		} else
-			vdd_level = dcn_bw_v_min0p65;
-		break;
-
-	case DM_PP_CLOCK_TYPE_MEMORY_CLK:
-		{
-			unsigned factor = (ddr4_dram_factor_single_Channel * dc->dcn_soc->number_of_channels);
-
-			if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9*1000000/factor) {
-				vdd_level = dcn_bw_v_max0p91;
-				BREAK_TO_DEBUGGER();
-			} else if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8*1000000/factor) {
-				vdd_level = dcn_bw_v_max0p9;
-			} else if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72*1000000/factor) {
-				vdd_level = dcn_bw_v_nom0p8;
-			} else if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65*1000000/factor) {
-				vdd_level = dcn_bw_v_mid0p72;
-			} else
-				vdd_level = dcn_bw_v_min0p65;
-		}
-		break;
-
-	case DM_PP_CLOCK_TYPE_DCFCLK:
-		if (clocks_in_khz > dc->dcn_soc->dcfclkv_max0p9*1000) {
-			vdd_level = dcn_bw_v_max0p91;
-			BREAK_TO_DEBUGGER();
-		} else if (clocks_in_khz > dc->dcn_soc->dcfclkv_nom0p8*1000) {
-			vdd_level = dcn_bw_v_max0p9;
-		} else if (clocks_in_khz > dc->dcn_soc->dcfclkv_mid0p72*1000) {
-			vdd_level = dcn_bw_v_nom0p8;
-		} else if (clocks_in_khz > dc->dcn_soc->dcfclkv_min0p65*1000) {
-			vdd_level = dcn_bw_v_mid0p72;
-		} else
-			vdd_level = dcn_bw_v_min0p65;
-		break;
-
-	default:
-		 break;
-	}
-	return vdd_level;
-}
-
-unsigned int dcn_find_dcfclk_suits_all(
-	const struct dc *dc,
-	struct dc_clocks *clocks)
-{
-	unsigned vdd_level, vdd_level_temp;
-	unsigned dcf_clk;
-
-	/*find a common supported voltage level*/
-	vdd_level = dcn_find_normalized_clock_vdd_Level(
-		dc, DM_PP_CLOCK_TYPE_DISPLAY_CLK, clocks->dispclk_khz);
-	vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
-		dc, DM_PP_CLOCK_TYPE_DISPLAYPHYCLK, clocks->phyclk_khz);
-
-	vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
-	vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
-		dc, DM_PP_CLOCK_TYPE_DPPCLK, clocks->dppclk_khz);
-	vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
-
-	vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
-		dc, DM_PP_CLOCK_TYPE_MEMORY_CLK, clocks->fclk_khz);
-	vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
-	vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
-		dc, DM_PP_CLOCK_TYPE_DCFCLK, clocks->dcfclk_khz);
-
-	/*find that level conresponding dcfclk*/
-	vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
-	if (vdd_level == dcn_bw_v_max0p91) {
-		BREAK_TO_DEBUGGER();
-		dcf_clk = dc->dcn_soc->dcfclkv_max0p9*1000;
-	} else if (vdd_level == dcn_bw_v_max0p9)
-		dcf_clk =  dc->dcn_soc->dcfclkv_max0p9*1000;
-	else if (vdd_level == dcn_bw_v_nom0p8)
-		dcf_clk =  dc->dcn_soc->dcfclkv_nom0p8*1000;
-	else if (vdd_level == dcn_bw_v_mid0p72)
-		dcf_clk =  dc->dcn_soc->dcfclkv_mid0p72*1000;
-	else
-		dcf_clk =  dc->dcn_soc->dcfclkv_min0p65*1000;
-
-	DC_LOG_BANDWIDTH_CALCS("\tdcf_clk for voltage = %d\n", dcf_clk);
-	return dcf_clk;
-}
-
 void dcn_bw_update_from_pplib_fclks(
 	struct dc *dc,
 	struct dm_pp_clock_levels_with_voltage *fclks)

drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h

···
 		struct dc_state *context,
 		bool fast_validate);
 
-unsigned int dcn_find_dcfclk_suits_all(
-	const struct dc *dc,
-	struct dc_clocks *clocks);
-
 void dcn_get_soc_clks(
 		struct dc *dc,
 		int *min_fclk_khz,