On Tue, 15 Oct 2019 09:11:31 -0700
Matt Roper <matthew.d.roper@xxxxxxxxx> wrote:
> 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;
Reviewed-by: Vivek Kasireddy <vivek.kasireddy@xxxxxxxxx>
> } else {
> ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
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