display && dts: bump max brightness to 4095, correspond to HBM

For displayconfig

[pwnrazr: adapt for raphael]

Signed-off-by: onettboots <blackcocopet@gmail.com>

Author: RealJohnGalt

arch/arm64/boot/dts/qcom/dsi-panel-ss-fhd-ea8076-cmd.dtsi

@@ -38,7 +38,7 @@
 		qcom,mdss-dsi-lane-1-state;
 		qcom,mdss-dsi-lane-2-state;
 		qcom,mdss-dsi-lane-3-state;
-		qcom,mdss-brightness-max-level = <2047>;
+		qcom,mdss-brightness-max-level = <4095>;
 		qcom,bl-update-flag = "delay_until_first_frame";
 		qcom,mdss-dsi-dma-trigger = "trigger_sw";
 		qcom,mdss-dsi-mdp-trigger = "none";

arch/arm64/boot/dts/qcom/dsi-panel-ss-fhd-ea8076-global-cmd.dtsi

@@ -38,7 +38,7 @@
 		qcom,mdss-dsi-lane-1-state;
 		qcom,mdss-dsi-lane-2-state;
 		qcom,mdss-dsi-lane-3-state;
-		qcom,mdss-brightness-max-level = <2047>;
+		qcom,mdss-brightness-max-level = <4095>;
 		qcom,bl-update-flag = "delay_until_first_frame";
 		qcom,mdss-dsi-dma-trigger = "trigger_sw";
 		qcom,mdss-dsi-mdp-trigger = "none";

arch/arm64/boot/dts/qcom/xiaomi-sm8150-common.dtsi

@@ -249,7 +249,7 @@
 	qcom,panel-supply-entries = <&dsi_amoled_panel_pwr_external_supply>;
 	qcom,mdss-dsi-bl-pmic-control-type = "bl_ctrl_dcs";
 	qcom,mdss-dsi-bl-min-level = <2>;
-	qcom,mdss-dsi-bl-max-level = <2047>;
+	qcom,mdss-dsi-bl-max-level = <4095>;
 	qcom,mdss-dsi-mode-sel-gpio-state = "single_port";
 	//qcom,panel-mode-gpio = <&tlmm 7 0>;
 	qcom,platform-te-gpio = <&tlmm 8 0>;
@@ -260,7 +260,7 @@
 	qcom,panel-supply-entries = <&dsi_amoled_panel_pwr_external_supply>;
 	qcom,mdss-dsi-bl-pmic-control-type = "bl_ctrl_dcs";
 	qcom,mdss-dsi-bl-min-level = <2>;
-	qcom,mdss-dsi-bl-max-level = <2047>;
+	qcom,mdss-dsi-bl-max-level = <4095>;
 	qcom,mdss-dsi-mode-sel-gpio-state = "single_port";
 	//qcom,panel-mode-gpio = <&tlmm 7 0>;
 	qcom,platform-te-gpio = <&tlmm 8 0>;

drivers/gpu/drm/msm/dsi-staging/dsi_display.c

@@ -207,8 +207,6 @@ int dsi_display_set_backlight(struct drm_connector *connector,
 		goto error;
 	}
 
-	panel->bl_config.bl_level = bl_lvl;
-
 	/* scale backlight */
 	bl_scale = panel->bl_config.bl_scale;
 	bl_temp = bl_lvl * bl_scale / MAX_BL_SCALE_LEVEL;
@@ -231,6 +229,18 @@ int dsi_display_set_backlight(struct drm_connector *connector,
 	if (rc)
 		pr_err("unable to set backlight\n");
 
+	if (bl_lvl > 2047 && panel->bl_config.bl_level <= 2047)
+	{
+		panel->hbm_mode = 1;
+		rc = dsi_panel_apply_hbm_mode(panel);
+	}
+	else if (bl_lvl <= 2047 && panel->bl_config.bl_level > 2047)
+	{
+		panel->hbm_mode = 0;
+		rc = dsi_panel_apply_hbm_mode(panel);
+	}
+
+	panel->bl_config.bl_level = bl_lvl;
 	rc = dsi_display_clk_ctrl(dsi_display->dsi_clk_handle,
 			DSI_CORE_CLK, DSI_CLK_OFF);
 	if (rc) {

drivers/gpu/drm/msm/dsi-staging/dsi_panel.c

@@ -5117,9 +5117,7 @@ int dsi_panel_apply_hbm_mode(struct dsi_panel *panel)
 		type = type_map[0];
 	}
 
-	mutex_lock(&panel->panel_lock);
 	rc = dsi_panel_tx_cmd_set(panel, type);
-	mutex_unlock(&panel->panel_lock);
 
 	return rc;
 }