[Intel-gfx] [PATCH] drm/i915: Disable dp aux irq on g4x

[Chris Wilson]

On Fri, Feb 07, 2014 at 03:14:01PM +0100, Daniel Vetter wrote:
> Apparently it's broken in the exact same way as the gmbus irq. For
> reference of the full story see
> 
> commit c12aba5aa0e60b7947bc8b6ea25ef55c4acf81a4
> Author: Jiri Kosina <jkosina at suse.cz>
> Date:   Tue Mar 19 09:56:57 2013 +0100
> 
>     drm/i915: stop using GMBUS IRQs on Gen4 chips
> 
> The effect is that we have a storm of unclaimed interrupts on the
> legacy irq line. If that one is used by a different device then the
> kernel will complain and rather quickly kill the irq source. Which
> breaks any device trying to actually use the legacy irq line.
> 
> This regression has been introduced
> 
> commit 4aeebd7443e36b0a40032e518a9338f48bd27efc
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Thu Oct 31 09:53:36 2013 +0100
> 
>     drm/i915: dp aux irq support for g4x/vlv
> 
> v2: Cross-reference dp aux and gmbus gen4 comments.

And another patch to bring those references closer together, perhaps
near to the other feature check macros?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre