On Fri, 18 Aug 2017, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Now that we're not using MSI anymore on gen4 we can start
> using GMBUS and AUX interrupts again. These were disable on
> account of them causing the hardware to somehow generate
> legacy interrupts even when MSI was enabled.
>
> See commit c12aba5aa0e6 ("drm/i915: stop using GMBUS IRQs on Gen4
> chips") and commit 4e6b788c3f23 ("drm/i915: Disable dp aux irq on
> g4x") for more details.
I unfortunately don't have the HW where I used to reproduce the spurious
IRQs any more. It was thinkpad x200s, 7470-BN2 model.
--
Jiri Kosina
SUSE Labs
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