[Intel-gfx] [RFC 00/15] Selectable platform support

[Chris Wilson]

Quoting Tvrtko Ursulin (2018-02-09 10:48:23)
> 
> On 08/02/2018 13:05, Tvrtko Ursulin wrote:
> > From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > 
> > For Joonas basically. :)
> > 
> > Rough goal - add Kconfig options to turn off supported platforms and count on
> > compiler DCE to make the driver smaller.
> > 
> > Tested as so much that it boots and renders on Skylake with all platforms/gens
> > older than Gen8 turned off.
> > 
> >     text    data     bss     dec     hex filename
> > 1502847   54223    2888 1559958  17cd96 i915.ko.original
> > 1375647   51939    2888 1430474  15d3ca i915.ko.gen8+
> 
> I've finished this today (all platforms plus some more details and 
> changes) but wont' post it again. Instead who is interested can see it 
> in my freedesktop git repo - people.freedesktop.org/~tursulin/drm-intel 
> platform-kconfig - but for some reason it is not showing in GitWeb any 
> longer.
> 
> Anyway.. with the latest build the i915.ko size goes from 15600073 to 
> 1256697 when I enable only Skylake via Kconfig. This is 296kiB and close 
> to 20% saving.

Could you post ./scripts/bloat-o-meter?
-Chris