[Intel-gfx] [PATCH 16/16] drm/i915: Reinstate GMBUS and AUX interrupts on gen4/g4x

[Jiri Kosina]

On Fri, 18 Aug 2017, ville.syrjala at linux.intel.com wrote:

> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> 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