Ubuntu
xserver-xorg-input-libinput package

  1. Bug #1887190
  2. Comment #171

Comment 171 for bug 1887190

Revision history for this message
Coiby Xu (coiby) wrote :

Hi all,

Can you test the follow patch works for your touchpad? Disabling glitch filter seems to eliminate the root cause.

$ git diff
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 9a760f5cd7ed..e786d779d6c8 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -463,7 +463,7 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type)
                pin_reg &= ~(ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF);
                pin_reg |= ACTIVE_LOW << ACTIVE_LEVEL_OFF;
                pin_reg &= ~(DB_CNTRl_MASK << DB_CNTRL_OFF);
- pin_reg |= DB_TYPE_PRESERVE_HIGH_GLITCH << DB_CNTRL_OFF;
+ /** pin_reg |= DB_TYPE_PRESERVE_HIGH_GLITCH << DB_CNTRL_OFF; */
                irq_set_handler_locked(d, handle_level_irq);
                bre