From 48e920d5d77b5df577d0dc8596f3a46108eca3d2 Mon Sep 17 00:00:00 2001
From: Cheng Wang <cheng.wang@amlogic.com>
Date: Wed, 7 Aug 2024 05:46:03 +0000
Subject: [PATCH] frc: fix pps adjust abnormal [1/1]

PD#SWPL-180857

Problem:
fix pps adjust abnormal

Solution:
fix pps adjust abnormal

Verify:
T5M

Change-Id: Ib563424eeb1c923bbe4887512a3468339446bf19
Signed-off-by: Cheng Wang <cheng.wang@amlogic.com>
---
 drivers/media/frc/frc_drv.c  |  2 ++
 drivers/media/frc/frc_drv.h  |  5 +++--
 drivers/media/frc/frc_proc.c | 12 +++++++++++-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/media/frc/frc_drv.c b/drivers/media/frc/frc_drv.c
index 1bec1f296..020803b6c 100644
--- a/drivers/media/frc/frc_drv.c
+++ b/drivers/media/frc/frc_drv.c
@@ -1148,6 +1148,8 @@ static void frc_drv_initial(struct frc_dev_s *devp)
 	devp->disable_h_size = FRC_DISABLE_H_SIZE;
 	devp->disable_v_size = FRC_DISABLE_V_SIZE;
 
+	devp->in_sts.high_freq_en = 1; //pps ajd default open
+
 	if (get_chip_type() == ID_T3X) {
 		devp->in_sts.boot_timestamp_en = 1;
 		devp->vpu_byp_frc_reg_addr = VIU_FRC_MISC;
diff --git a/drivers/media/frc/frc_drv.h b/drivers/media/frc/frc_drv.h
index cb490e3ac..ebb0d7460 100644
--- a/drivers/media/frc/frc_drv.h
+++ b/drivers/media/frc/frc_drv.h
@@ -130,13 +130,14 @@
 // frc_20240626 frc cursor control debug
 // frc_20240704 fix frc clk latency err
 // frc_20240709 frc add crc debug
-// frc_2024-0708 frc adaptive n2m in t5m
+// frc_20240708 frc adaptive n2m in t5m
 // frc_20240711 fix secure mode close frc abnormal
 // frc_20240729 open frc when slt test
 // frc_20240814 clr CTRL7 before frc enable
 // frc_20240815 frc handles NULL pointer call
+// frc_20240819 t5m dlg modify n2m to 1:1
 
-#define FRC_FW_VER			"2024-0819 t5m dlg modify n2m to 1:1"
+#define FRC_FW_VER			"2024-0902 fix pps adjust abnormal (need test)"
 #define FRC_KERDRV_VER		3500
 
 #define FRC_DEVNO	1
diff --git a/drivers/media/frc/frc_proc.c b/drivers/media/frc/frc_proc.c
index 572aa0f62..0406018e5 100644
--- a/drivers/media/frc/frc_proc.c
+++ b/drivers/media/frc/frc_proc.c
@@ -74,6 +74,7 @@ MODULE_PARM_DESC(sec_flag, "frc debug flag");
 u32 secure_tee_handle;
 
 static int char_flash_check;
+static int notify_frc_signal_to_amvideo(int *char_flash_check);
 
 void frc_fw_initial(struct frc_dev_s *devp)
 {
@@ -1233,6 +1234,15 @@ void frc_input_vframe_handle(struct frc_dev_s *devp, struct vframe_s *vf,
 		pr_frc(2, "secure chg reopen\n");
 	}
 
+	/*
+	 * bug, close char-flash(pps adjust) when no_input is true
+	 */
+	if (devp->frc_sts.state != FRC_STATE_ENABLE && char_flash_check) {
+		char_flash_check = 0;
+		devp->in_sts.high_freq_flash = char_flash_check;
+		notify_frc_signal_to_amvideo(&char_flash_check);
+	}
+
 	if (!no_input &&  devp->frc_sts.auto_ctrl &&
 		devp->clk_state != FRC_CLOCK_NOR &&
 		devp->clk_state != FRC_CLOCK_XXX2NOR) {
@@ -2420,7 +2430,7 @@ void frc_char_flash_check(void)
 
 	if (!devp || !devp->probe_ok || !devp->fw_data)
 		return;
-	if (devp->in_sts.high_freq_en) {
+	if (!devp->in_sts.high_freq_en) {
 		if (devp->in_sts.high_freq_flash) {
 			char_flash_check = 0;
 			devp->in_sts.high_freq_flash = char_flash_check;