[Intel-gfx] [PATCH] drm/i915: Add breadcrumbs for why the backlight is being set

[Chris Wilson]

On Mon, Oct 14, 2013 at 10:42:37AM +0300, Jani Nikula wrote:
> On Sun, 13 Oct 2013, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
> > index 2acf5cae20e4..564da613b278 100644
> > --- a/drivers/gpu/drm/i915/intel_opregion.c
> > +++ b/drivers/gpu/drm/i915/intel_opregion.c
> > @@ -405,6 +405,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
> >  	if (bclp > 255)
> >  		return ASLC_BACKLIGHT_FAILED;
> >  
> > +	DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
> 
> Just a few lines earliner we have:
> 
> 	DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);

Right, I wasn't sure about changing that to suite my purposes - I
guessed that it was intentionally a different debug level pre-validation
for a reason and so added a new message at the debug level as the
messages within the modesetting and backlight operation.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre