[Intel-gfx] [PATCH 2/8] drm/i915: Always use INTEL_INFO() to access the device_info structure

Chris Wilson chris at chris-wilson.co.uk
Thu Dec 12 18:23:08 CET 2013


On Thu, Dec 12, 2013 at 05:05:18PM +0000, Damien Lespiau wrote:
> On Thu, Dec 12, 2013 at 04:58:21PM +0000, Chris Wilson wrote:
> > On Thu, Dec 12, 2013 at 02:36:37PM +0000, Damien Lespiau wrote:
> > > If we make sure that all the dev_priv->info usages are wrapped by
> > > INTEL_INFO(), we can easily modify the ->info field to be structure and
> > > not a pointer while keeping the const protection in the INTEL_INFO()
> > > macro.
> > 
> > Yuck.
> 
> Would Jani's suggestion to transmogrify INTEL_INFO() into a function
> make you happier? Or is it the back and forth from *dev_priv to *dev
> to dev_priv->info that is of utmost disgust?

Ultimately, I'd like to see the pointer dance die. But in the meantime,
I'd like to see the macro die, dev_priv->info is far less scary than
INTEL_INFO(dev_priv->dev)->info, even to_i915(dev)->info is more
pleasant to read.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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