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ODROID: aml_media: Add disablehpd module_param.

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Change-Id: I2fa0889eb7a1e05aa5245e2aceaddb9c161c2709
This commit is contained in:
codewalkerster
2025-07-22 16:12:13 +09:00
committed by xiane
parent d49fc72360
commit 5328163362
2 changed files with 40 additions and 0 deletions
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drivers/media/vout/hdmitx21/hw/hdmi_tx_hw.c
+13
View File
@@ -3233,6 +3233,10 @@ static int hdmitx_tmds_cedst(struct hdmitx_dev *hdev)
return scdc21_status_flags(hdev);
}
#ifdef CONFIG_ARCH_MESON_ODROID_COMMON
extern char *disablehpd;
#endif
static int hdmitx_cntl_misc(struct hdmitx_hw_common *tx_hw, u32 cmd,
u32 argv)
{
@@ -3263,7 +3267,16 @@ static int hdmitx_cntl_misc(struct hdmitx_hw_common *tx_hw, u32 cmd,
argv = HPD_UNMUX_HPD;
return hdmitx21_hpd_hw_op(argv);
case MISC_HPD_GPI_ST:
#ifdef CONFIG_ARCH_MESON_ODROID_COMMON
if (!strcmp(disablehpd, "true")) {
HDMITX_INFO(HW "disablehpd = %s\n", disablehpd);
return 1;
} else {
return hdmitx21_hpd_hw_op(HPD_READ_HPD_GPIO);
}
#else
return hdmitx21_hpd_hw_op(HPD_READ_HPD_GPIO);
#endif
case MISC_TRIGGER_HPD:
if (argv == 1)
hdmitx21_wr_reg(HDMITX_TOP_INTR_STAT, 1 << 1);
drivers/media/vout/hdmitx21/hw/interrupts.c
+27
View File
@@ -27,6 +27,12 @@
#include <linux/amlogic/media/vout/hdmi_tx_ext.h>
#include "common.h"
#ifdef CONFIG_ARCH_MESON_ODROID_COMMON
char *disablehpd = "false";
module_param(disablehpd, charp, 0644);
MODULE_PARM_DESC(disablehpd, "\n disablehpd\n");
#endif
static void intr2_sw_handler(struct intr_t *);
static void intr5_sw_handler(struct intr_t *);
static void top_hpd_intr_stub_handler(struct intr_t *);
@@ -278,6 +284,17 @@ void hdmitx_top_intr_handler(struct work_struct *work)
else
dat_top &= ~(1 << 1);
}
#ifdef CONFIG_ARCH_MESON_ODROID_COMMON
if (!strcmp(disablehpd, "true")) {
HDMITX_INFO(HW "disablehpd = %s\n", disablehpd);
hdev->hdmitx_event |= HDMI_TX_HPD_PLUGIN;
hdev->hdmitx_event &= ~HDMI_TX_HPD_PLUGOUT;
hdmitx21_wr_reg(HDMITX_TOP_INTR_STAT_CLR, dat_top | 0x6);
return;
}
#endif
/* bit[2:1] of dat_top means HPD falling and rising */
if ((dat_top & 0x6) && hdev->tx_hw.base.hdmitx_gpios_hpd >= 0) {
struct timespec64 kts;
@@ -517,4 +534,14 @@ void hdmitx_setupirqs(struct hdmitx_dev *phdev)
if (r != 0)
HDMITX_INFO(SYS "can't request emp_vsync irq\n");
#endif
#ifdef CONFIG_ARCH_MESON_ODROID_COMMON
if (!strcmp(disablehpd, "true")) {
HDMITX_INFO(HW "disablehpd = %s\n", disablehpd);
phdev->hdmitx_event |= HDMI_TX_HPD_PLUGIN;
phdev->hdmitx_event &= ~HDMI_TX_HPD_PLUGOUT;
queue_delayed_work(phdev->hdmi_intr_wq,
&phdev->work_hpd_plugin, HZ / 3);
}
#endif
}