From 58e06c2a0fd1be6e1080398a4d6a5bb164364438 Mon Sep 17 00:00:00 2001
From: John Galt <johngaltfirstrun@gmail.com>
Date: Mon, 13 Mar 2023 11:06:53 -0400
Subject: [PATCH] display + dts: optimize dc dim tuning

Use interpolation for most part.
---
 .../dts/qcom/dsi-panel-samsung_oneplus_dsc.dtsi | 17 +----------------
 .../dts/qcom/dsi-panel-samsung_s6e3fc2x01.dtsi  | 17 +----------------
 ...si-panel-samsung_sofef03f_m_fhd_dsc_cmd.dtsi | 17 +----------------
 drivers/gpu/drm/msm/dsi-staging/dsi_panel.c     |  2 +-
 4 files changed, 4 insertions(+), 49 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/dsi-panel-samsung_oneplus_dsc.dtsi b/arch/arm64/boot/dts/qcom/dsi-panel-samsung_oneplus_dsc.dtsi
index 8e01271c5af5..64be5a145d89 100644
--- a/arch/arm64/boot/dts/qcom/dsi-panel-samsung_oneplus_dsc.dtsi
+++ b/arch/arm64/boot/dts/qcom/dsi-panel-samsung_oneplus_dsc.dtsi
@@ -72,22 +72,7 @@
                 /* brightness, alpha */
                                 0 255
                                 1 224
-                                2 213
-                                3 211
-                                4 208
-                                5 206
-                                6 203
-                                8 200
-                                10 196
-                                15 186
-                                20 176
-                                30 160
-                                45 139
-                                70 114
-                                100 90
-                                150 56
-                                227 14
-                                260 0
+                                1023 0
                 >;
 		qcom,mdss-pan-physical-width-dimension = <71>;
 		qcom,mdss-pan-physical-height-dimension = <154>;
diff --git a/arch/arm64/boot/dts/qcom/dsi-panel-samsung_s6e3fc2x01.dtsi b/arch/arm64/boot/dts/qcom/dsi-panel-samsung_s6e3fc2x01.dtsi
index 50d04d2344a3..c6657e683c1e 100644
--- a/arch/arm64/boot/dts/qcom/dsi-panel-samsung_s6e3fc2x01.dtsi
+++ b/arch/arm64/boot/dts/qcom/dsi-panel-samsung_s6e3fc2x01.dtsi
@@ -92,22 +92,7 @@
                 /* brightness, alpha */
                                 0 255
                                 1 224
-                                2 213
-                                3 211
-                                4 208
-                                5 206
-                                6 203
-                                8 200
-                                10 196
-                                15 186
-                                20 176
-                                30 160
-                                45 139
-                                70 114
-                                100 90
-                                150 56
-                                227 14
-                                260 0
+                                1023 0
 		>;
 		/* HDR Setting */
 		qcom,mdss-dsi-panel-hdr-enabled;
diff --git a/arch/arm64/boot/dts/qcom/dsi-panel-samsung_sofef03f_m_fhd_dsc_cmd.dtsi b/arch/arm64/boot/dts/qcom/dsi-panel-samsung_sofef03f_m_fhd_dsc_cmd.dtsi
index 0dfab97b261d..65e9193f1a0c 100644
--- a/arch/arm64/boot/dts/qcom/dsi-panel-samsung_sofef03f_m_fhd_dsc_cmd.dtsi
+++ b/arch/arm64/boot/dts/qcom/dsi-panel-samsung_sofef03f_m_fhd_dsc_cmd.dtsi
@@ -73,22 +73,7 @@
                         /* brightness, alpha */
                                 0 255
                                 1 224
-                                2 213
-                                3 211
-                                4 208
-                                5 206
-                                6 203
-                                8 200
-                                10 196
-                                15 186
-                                20 176
-                                30 160
-                                45 139
-                                70 114
-                                100 90
-                                150 56
-                                227 14
-                                260 0
+                                1023 0
                 >;
 			qcom,mdss-brightness-default-val = <160>;
 			qcom,mdss-brightness-max-level = <1023>;
diff --git a/drivers/gpu/drm/msm/dsi-staging/dsi_panel.c b/drivers/gpu/drm/msm/dsi-staging/dsi_panel.c
index 4f8512dd704c..61871a037bdd 100644
--- a/drivers/gpu/drm/msm/dsi-staging/dsi_panel.c
+++ b/drivers/gpu/drm/msm/dsi-staging/dsi_panel.c
@@ -899,7 +899,7 @@ static int dsi_panel_update_backlight(struct dsi_panel *panel,
 	}
 
 	if (panel->dc_dim && bl_lvl != 0)
-		bl_lvl = op_dimlayer_bl_alpha;
+		bl_lvl = 1023;
 
 	if (panel->bl_config.bl_high2bit) {
 		if (HBM_flag == true)