linux-kernel - Re: Lots of i915/drm spew on 3.4

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Date:	Sun, 3 Jun 2012 17:17:15 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Paulo Zanoni <przanoni@...il.com>
Cc:	Chris Wilson <chris@...is-wilson.co.uk>,
	Dave Jones <davej@...hat.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
	Paulo Zanoni <paulo.r.zanoni@...el.com>,
	Rob Clark <rob.clark@...aro.org>
Subject: Re: Lots of i915/drm spew on 3.4

On Thu, May 31, 2012 at 10:22:28AM -0300, Paulo Zanoni wrote:
> 2012/5/31 Chris Wilson <chris@...is-wilson.co.uk>:
> > Before that commit we had no idea that we had run out of property slots.
> > I think the WARN is genuine, but maybe we should just bump the count set
> > it to WARN_ONCE and hope the conversion to lists arrives sooner rather
> > than latter.
> > -Chris
> >
> 
> Chris is right: this is not a regression. Before that patch, no one
> checked if property creation really worked. I chose not to use
> WARN_ONCE because we need to increase the variable once for each time
> you see the message. Assuming this message appears on your log less
> than 8 times, does this patch fix your problem?
> 
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 73e4560..bac55c2 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -54,7 +54,7 @@ struct drm_mode_object {
>         struct drm_object_properties *properties;
>  };
> 
> -#define DRM_OBJECT_MAX_PROPERTY 16
> +#define DRM_OBJECT_MAX_PROPERTY 24
>  struct drm_object_properties {
>         int count;
>         uint32_t ids[DRM_OBJECT_MAX_PROPERTY];

I've hit the same warn on my g33 with a tv-out sdvo. Seems to be enough to
shut it up.

Tested-by: Daniel Vetter <daniel.vetter@...ll.ch>
-- 
Daniel Vetter
Mail: daniel@...ll.ch
Mobile: +41 (0)79 365 57 48
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