From: Zongdong Jiao <zongdong.jiao@amlogic.com>
Date: Thu, 13 Jun 2019 08:05:18 +0000 (+0800)
Subject: hdmitx: correct hpd trigger [1/1]
X-Git-Tag: khadas-vims-v0.9.6-release~347
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=da134118f20f1675e68ce21391377eddc2766c22;p=platform%2Fkernel%2Flinux-amlogic.git

hdmitx: correct hpd trigger [1/1]

PD#SWPL-8724

Problem:
When kernel boots up, there will be two irq status.
[    0.602639] hdmitx: system: irq 80000004 0
[    0.622658] hdmitx: system: irq 80000002 0

Solution:
Correct hpd trigger

Verify:
G12/U212

Change-Id: I3c913c6d46ac4e639032134c598050b5c77a047d
Signed-off-by: Zongdong Jiao <zongdong.jiao@amlogic.com>
---

diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
index 3f072ca..37113f1 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
@@ -4221,9 +4221,9 @@ static int hdmi_task_handle(void *data)
 		hdmitx_device->HWOp.SetupIRQ(hdmitx_device);
 
 	/* Trigger HDMITX IRQ*/
-	hdmitx_device->HWOp.CntlMisc(hdmitx_device, MISC_HPD_MUX_OP, PIN_UNMUX);
-	mdelay(20);
-	hdmitx_device->HWOp.CntlMisc(hdmitx_device, MISC_HPD_MUX_OP, PIN_MUX);
+	if (hdmitx_device->HWOp.CntlMisc(hdmitx_device, MISC_HPD_GPI_ST, 0))
+		hdmitx_device->HWOp.CntlMisc(hdmitx_device,
+			MISC_TRIGGER_HPD, 0);
 
 	hdmitx_device->hdmi_init = 1;
 	return 0;
diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
index 171c1db..4924c52 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
@@ -5027,6 +5027,9 @@ static int hdmitx_cntl_misc(struct hdmitx_dev *hdev, unsigned int cmd,
 		return hdmitx_hpd_hw_op(argv);
 	case MISC_HPD_GPI_ST:
 		return hdmitx_hpd_hw_op(HPD_READ_HPD_GPIO);
+	case MISC_TRIGGER_HPD:
+		hdmitx_wr_reg(HDMITX_TOP_INTR_STAT, 1 << 1);
+		return 0;
 	case MISC_HPLL_FAKE:
 		hdmitx_set_fake_vic(hdev);
 		break;
diff --git a/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h b/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
index 697407d..98d65f4 100644
--- a/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
+++ b/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
@@ -591,6 +591,7 @@ struct hdmitx_dev {
 #define MISC_I2C_RESET		(CMD_MISC_OFFSET + 0x11) /* For g12 */
 #define MISC_READ_AVMUTE_OP     (CMD_MISC_OFFSET + 0x12)
 #define MISC_TMDS_CEDST		(CMD_MISC_OFFSET + 0x13)
+#define MISC_TRIGGER_HPD        (CMD_MISC_OFFSET + 0X14)
 
 /***********************************************************************
  *                          Get State //GetState