path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/4752-drm-amd-display-replace-clocks_value-struct-with-dc_.patch

From 2debb6972a470ed43081814f6f9161dd32ce7916 Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Wed, 23 May 2018 13:16:50 -0400
Subject: [PATCH 4752/5725] drm/amd/display: replace clocks_value struct with
 dc_clocks

This will avoid structs with duplicate information. Also
removes pixel clock voltage request. This has no effect since
pixel clock does not affect dcn voltage and this function only
matters for dcn.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c   | 34 ++++++++--------
 drivers/gpu/drm/amd/display/dc/core/dc_link.c      |  8 ++--
 drivers/gpu/drm/amd/display/dc/dc.h                |  5 +++
 drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c    | 46 ++++++++--------------
 .../amd/display/dc/dce110/dce110_hw_sequencer.c    | 18 +--------
 drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h     |  2 +-
 .../gpu/drm/amd/display/dc/inc/hw/display_clock.h  | 22 ++---------
 7 files changed, 49 insertions(+), 86 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 49a4ea4..d8a3165 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -1145,10 +1145,10 @@ static unsigned int dcn_find_normalized_clock_vdd_Level(
 
 	switch (clocks_type) {
 	case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
-		if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmax0p9*1000) {
+		/*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) {
+			//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;
@@ -1158,10 +1158,10 @@ static unsigned int dcn_find_normalized_clock_vdd_Level(
 			vdd_level = dcn_bw_v_min0p65;
 		break;
 	case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
-		if (clocks_in_khz > dc->dcn_soc->phyclkv_max0p9*1000) {
+		/*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) {
+		} 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;
@@ -1172,10 +1172,10 @@ static unsigned int dcn_find_normalized_clock_vdd_Level(
 		break;
 
 	case DM_PP_CLOCK_TYPE_DPPCLK:
-		if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmax0p9*1000) {
+		/*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) {
+		} 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;
@@ -1189,10 +1189,10 @@ static unsigned int dcn_find_normalized_clock_vdd_Level(
 		{
 			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) {
+			/*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) {
+			} 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;
@@ -1204,10 +1204,10 @@ static unsigned int dcn_find_normalized_clock_vdd_Level(
 		break;
 
 	case DM_PP_CLOCK_TYPE_DCFCLK:
-		if (clocks_in_khz > dc->dcn_soc->dcfclkv_max0p9*1000) {
+		/*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) {
+		} 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;
@@ -1225,27 +1225,27 @@ static unsigned int dcn_find_normalized_clock_vdd_Level(
 
 unsigned int dcn_find_dcfclk_suits_all(
 	const struct dc *dc,
-	struct clocks_value *clocks)
+	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_in_khz);
+		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_in_khz);
+		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_in_khz);
+		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->dcfclock_in_khz);
+		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->dcfclock_in_khz);
+		dc, DM_PP_CLOCK_TYPE_DCFCLK, clocks->dcfclk_khz);
 
 	/*find that level conresponding dcfclk*/
 	vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 53f9db9..af9e0db 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1290,15 +1290,13 @@ static enum dc_status enable_link_dp(
 					state->dis_clk, DM_PP_CLOCKS_STATE_NOMINAL);
 		} else {
 			uint32_t dp_phyclk_in_khz;
-			const struct clocks_value clocks_value =
-					state->dis_clk->cur_clocks_value;
+			const struct dc_clocks clocks_value =
+					state->dis_clk->clks;
 
 			/* 27mhz = 27000000hz= 27000khz */
 			dp_phyclk_in_khz = link_settings.link_rate * 27000;
 
-			if (((clocks_value.max_non_dp_phyclk_in_khz != 0) &&
-				(dp_phyclk_in_khz > clocks_value.max_non_dp_phyclk_in_khz)) ||
-				(dp_phyclk_in_khz > clocks_value.max_dp_phyclk_in_khz)) {
+			if (dp_phyclk_in_khz > clocks_value.phyclk_khz) {
 				state->dis_clk->funcs->apply_clock_voltage_request(
 						state->dis_clk,
 						DM_PP_CLOCK_TYPE_DISPLAYPHYCLK,
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 56c1e2b..3471485 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -187,6 +187,10 @@ enum wm_report_mode {
 	WM_REPORT_OVERRIDE = 1,
 };
 
+/*
+ * For any clocks that may differ per pipe
+ * only the max is stored in this structure
+ */
 struct dc_clocks {
 	int dispclk_khz;
 	int max_supported_dppclk_khz;
@@ -195,6 +199,7 @@ struct dc_clocks {
 	int socclk_khz;
 	int dcfclk_deep_sleep_khz;
 	int fclk_khz;
+	int phyclk_khz;
 };
 
 struct dc_debug {
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
index 8a581c6..b749a20 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
@@ -560,11 +560,9 @@ static bool dce_apply_clock_voltage_request(
 
 	switch (clocks_type) {
 	case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
-	case DM_PP_CLOCK_TYPE_PIXELCLK:
 	case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
 		break;
 	default:
-		BREAK_TO_DEBUGGER();
 		return false;
 	}
 
@@ -575,31 +573,22 @@ static bool dce_apply_clock_voltage_request(
 	if (pre_mode_set) {
 		switch (clocks_type) {
 		case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
-			if (clocks_in_khz > clk->cur_clocks_value.dispclk_in_khz) {
-				clk->cur_clocks_value.dispclk_notify_pplib_done = true;
+			if (clocks_in_khz > clk->clks.dispclk_khz) {
+				clk->dispclk_notify_pplib_done = true;
 				send_request = true;
 			} else
-				clk->cur_clocks_value.dispclk_notify_pplib_done = false;
+				clk->dispclk_notify_pplib_done = false;
 			/* no matter incrase or decrase clock, update current clock value */
-			clk->cur_clocks_value.dispclk_in_khz = clocks_in_khz;
-			break;
-		case DM_PP_CLOCK_TYPE_PIXELCLK:
-			if (clocks_in_khz > clk->cur_clocks_value.max_pixelclk_in_khz) {
-				clk->cur_clocks_value.pixelclk_notify_pplib_done = true;
-				send_request = true;
-			} else
-				clk->cur_clocks_value.pixelclk_notify_pplib_done = false;
-			/* no matter incrase or decrase clock, update current clock value */
-			clk->cur_clocks_value.max_pixelclk_in_khz = clocks_in_khz;
+			clk->clks.dispclk_khz = clocks_in_khz;
 			break;
 		case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
-			if (clocks_in_khz > clk->cur_clocks_value.max_non_dp_phyclk_in_khz) {
-				clk->cur_clocks_value.phyclk_notigy_pplib_done = true;
+			if (clocks_in_khz > clk->clks.phyclk_khz) {
+				clk->phyclk_notify_pplib_done = true;
 				send_request = true;
 			} else
-				clk->cur_clocks_value.phyclk_notigy_pplib_done = false;
+				clk->phyclk_notify_pplib_done = false;
 			/* no matter incrase or decrase clock, update current clock value */
-			clk->cur_clocks_value.max_non_dp_phyclk_in_khz = clocks_in_khz;
+			clk->clks.phyclk_khz = clocks_in_khz;
 			break;
 		default:
 			ASSERT(0);
@@ -609,16 +598,14 @@ static bool dce_apply_clock_voltage_request(
 	} else {
 		switch (clocks_type) {
 		case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
-			if (!clk->cur_clocks_value.dispclk_notify_pplib_done)
-				send_request = true;
-			break;
-		case DM_PP_CLOCK_TYPE_PIXELCLK:
-			if (!clk->cur_clocks_value.pixelclk_notify_pplib_done)
+			if (!clk->dispclk_notify_pplib_done)
 				send_request = true;
+			clk->dispclk_notify_pplib_done = true;
 			break;
 		case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
-			if (!clk->cur_clocks_value.phyclk_notigy_pplib_done)
+			if (!clk->phyclk_notify_pplib_done)
 				send_request = true;
+			clk->phyclk_notify_pplib_done = true;
 			break;
 		default:
 			ASSERT(0);
@@ -627,20 +614,21 @@ static bool dce_apply_clock_voltage_request(
 	}
 	if (send_request) {
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
-		if (clk->ctx->dce_version >= DCN_VERSION_1_0) {
+		if (clk->ctx->dce_version >= DCN_VERSION_1_0
+		) {
 			struct dc *core_dc = clk->ctx->dc;
 			/*use dcfclk request voltage*/
 			clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK;
 			clock_voltage_req.clocks_in_khz =
-				dcn_find_dcfclk_suits_all(core_dc, &clk->cur_clocks_value);
+				dcn_find_dcfclk_suits_all(core_dc, &clk->clks);
 		}
 #endif
 		dm_pp_apply_clock_for_voltage_request(
 			clk->ctx, &clock_voltage_req);
 	}
 	if (update_dp_phyclk && (clocks_in_khz >
-	clk->cur_clocks_value.max_dp_phyclk_in_khz))
-		clk->cur_clocks_value.max_dp_phyclk_in_khz = clocks_in_khz;
+	clk->clks.phyclk_khz))
+		clk->clks.phyclk_khz = clocks_in_khz;
 
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 57d8113..e540172 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1800,21 +1800,14 @@ static void apply_min_clocks(
 		context->dis_clk->funcs->apply_clock_voltage_request(
 				context->dis_clk,
 				DM_PP_CLOCK_TYPE_DISPLAY_CLK,
-				context->dis_clk->cur_clocks_value.dispclk_in_khz,
-				pre_mode_set,
-				false);
-
-		context->dis_clk->funcs->apply_clock_voltage_request(
-				context->dis_clk,
-				DM_PP_CLOCK_TYPE_PIXELCLK,
-				context->dis_clk->cur_clocks_value.max_pixelclk_in_khz,
+				context->dis_clk->clks.dispclk_khz,
 				pre_mode_set,
 				false);
 
 		context->dis_clk->funcs->apply_clock_voltage_request(
 				context->dis_clk,
 				DM_PP_CLOCK_TYPE_DISPLAYPHYCLK,
-				context->dis_clk->cur_clocks_value.max_non_dp_phyclk_in_khz,
+				context->dis_clk->clks.phyclk_khz,
 				pre_mode_set,
 				false);
 		return;
@@ -1843,13 +1836,6 @@ static void apply_min_clocks(
 
 		context->dis_clk->funcs->apply_clock_voltage_request(
 				context->dis_clk,
-				DM_PP_CLOCK_TYPE_PIXELCLK,
-				req_clocks.pixel_clk_khz,
-				pre_mode_set,
-				false);
-
-		context->dis_clk->funcs->apply_clock_voltage_request(
-				context->dis_clk,
 				DM_PP_CLOCK_TYPE_DISPLAYPHYCLK,
 				req_clocks.pixel_clk_khz,
 				pre_mode_set,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h b/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h
index 132d18d..ddbb673 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h
@@ -625,7 +625,7 @@ bool dcn_validate_bandwidth(
 
 unsigned int dcn_find_dcfclk_suits_all(
 	const struct dc *dc,
-	struct clocks_value *clocks);
+	struct dc_clocks *clocks);
 
 void dcn_bw_update_from_pplib(struct dc *dc);
 void dcn_bw_notify_pplib_of_wm_ranges(struct dc *dc);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h b/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h
index f5f69cd..6b9ca55 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h
@@ -27,23 +27,7 @@
 #define __DISPLAY_CLOCK_H__
 
 #include "dm_services_types.h"
-
-
-struct clocks_value {
-	int dispclk_in_khz;
-	int max_pixelclk_in_khz;
-	int max_non_dp_phyclk_in_khz;
-	int max_dp_phyclk_in_khz;
-	bool dispclk_notify_pplib_done;
-	bool pixelclk_notify_pplib_done;
-	bool phyclk_notigy_pplib_done;
-	int dcfclock_in_khz;
-	int dppclk_in_khz;
-	int mclk_in_khz;
-	int phyclk_in_khz;
-	int common_vdd_level;
-};
-
+#include "dc.h"
 
 /* Structure containing all state-dependent clocks
  * (dependent on "enum clocks_state") */
@@ -56,9 +40,11 @@ struct display_clock {
 	struct dc_context *ctx;
 	const struct display_clock_funcs *funcs;
 
+	bool dispclk_notify_pplib_done;
+	bool phyclk_notify_pplib_done;
 	enum dm_pp_clocks_state max_clks_state;
 	enum dm_pp_clocks_state cur_min_clks_state;
-	struct clocks_value cur_clocks_value;
+	struct dc_clocks clks;
 };
 
 struct display_clock_funcs {
-- 
2.7.4