Since EHL's MCC PCH reuses one of the TC pins we need to supply a TC
long detect function when handling the interrupts.
Fixes: 53448aed7b80 ("drm/i915/ehl: Port C's hotplug interrupt is associated with TC1 bits")
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Vivek Kasireddy <vivek.kasireddy@xxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index a7c968b01af3..af7426cd8de9 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2251,6 +2251,7 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
} else if (HAS_PCH_MCC(dev_priv)) {
ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
tc_hotplug_trigger = pch_iir & SDE_TC_HOTPLUG_ICP(PORT_TC1);
+ tc_port_hotplug_long_detect = icp_tc_port_hotplug_long_detect;
pins = hpd_icp;
} else {
ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
--
2.21.0
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