display: misc changes from yaap/kernel_oneplus_sm8150@2269448

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

Author: pwnrazr

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

@@ -229,12 +229,12 @@ 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)
+	if (bl_lvl == 4095 && 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)
+	else if (bl_lvl <= 2047 && panel->bl_config.bl_level == 4095)
 	{
 		panel->hbm_mode = 0;
 		rc = dsi_panel_apply_hbm_mode(panel);

drivers/gpu/drm/msm/sde/sde_connector.c

@@ -102,6 +102,9 @@ static int sde_backlight_device_update_status(struct backlight_device *bd)
 		bl_lvl = 0;
 	}
 
+	if (bl_lvl > 2047)
+		bl_lvl = 4095;
+
 	if (!c_conn->allow_bl_update) {
 		c_conn->unset_bl_level = bl_lvl;
 		return 0;