From: shaochan.liu <shaochan.liu@amlogic.com>
Date: Tue, 21 May 2019 07:59:46 +0000 (+0800)
Subject: lcd: add lcd tv driver when the panel disable in uboot [1/1]
X-Git-Tag: hardkernel-4.9.236-104~1095
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3bb3943ab43d54fd973747caf159e7c863c5849c;p=platform%2Fkernel%2Flinux-amlogic.git

lcd: add lcd tv driver when the panel disable in uboot [1/1]

PD#SWPL-5937

Problem:
need screen initialization moved from uboot to kernel

Solution:
1, add lcd tv driver when the panel disable in uboot

Verify:
t962x2-x301

Change-Id: Ia7837db5f6581543b2a093357a264ee63dbd33a9
Signed-off-by: shaochan.liu <shaochan.liu@amlogic.com>
---

diff --git a/drivers/amlogic/media/vout/lcd/lcd_tv/lcd_tv.c b/drivers/amlogic/media/vout/lcd/lcd_tv/lcd_tv.c
index 81319ce..0ce5c0d 100644
--- a/drivers/amlogic/media/vout/lcd/lcd_tv/lcd_tv.c
+++ b/drivers/amlogic/media/vout/lcd/lcd_tv/lcd_tv.c
@@ -44,6 +44,7 @@
 
 static unsigned int lcd_output_vmode;
 static char lcd_output_name[30];
+static int lcd_init_on_flag;
 
 /* ************************************************** *
  * lcd mode function
@@ -331,7 +332,19 @@ static int lcd_set_current_vmode(enum vmode_e mode)
 	if (VMODE_LCD == (mode & VMODE_MODE_BIT_MASK)) {
 		if (mode & VMODE_INIT_BIT_MASK) {
 			lcd_clk_gate_switch(1);
-		} else {
+		} else if (lcd_init_on_flag == 0) {
+			lcd_init_on_flag = 1;
+			if ((lcd_drv->lcd_key_valid == 0)
+			&& !(lcd_drv->lcd_status & LCD_STATUS_ENCL_ON)) {
+				aml_lcd_notifier_call_chain
+					(LCD_EVENT_POWER_ON, NULL);
+				lcd_if_enable_retry(lcd_drv->lcd_config);
+			} else if (lcd_drv->driver_change != NULL) {
+				mutex_lock(&lcd_vout_mutex);
+				ret = lcd_drv->driver_change();
+				mutex_unlock(&lcd_vout_mutex);
+			}
+		} else if (lcd_init_on_flag == 1) {
 			mutex_lock(&lcd_vout_mutex);
 			ret = lcd_drv->driver_change();
 			mutex_unlock(&lcd_vout_mutex);
diff --git a/drivers/amlogic/media/vout/lcd/lcd_vout.c b/drivers/amlogic/media/vout/lcd/lcd_vout.c
index c5880b3..054605f 100644
--- a/drivers/amlogic/media/vout/lcd/lcd_vout.c
+++ b/drivers/amlogic/media/vout/lcd/lcd_vout.c
@@ -1197,6 +1197,13 @@ static void lcd_config_probe_delayed(struct work_struct *work)
 		lcd_driver = NULL;
 		LCDERR("probe exit\n");
 	}
+
+	if ((lcd_driver->lcd_status & LCD_STATUS_VMODE_ACTIVE)
+	&& !(lcd_driver->lcd_status & LCD_STATUS_ENCL_ON)) {
+		LCDPR("%s: lcd_enable in kernel\n", __func__);
+		aml_lcd_notifier_call_chain(LCD_EVENT_POWER_ON, NULL);
+		lcd_if_enable_retry(lcd_driver->lcd_config);
+	}
 }
 
 static void lcd_config_default(void)