[Intel-gfx] [PATCH 4/5] drm/i915: Add a FIXME about FBC vs. fence. 90/270 degree rotation

[Ville Syrjälä]

On Thu, Nov 16, 2017 at 09:01:03PM +0000, Chris Wilson wrote:
> Quoting Ville Syrjala (2017-11-16 19:14:50)
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > Currently we're pinning the fence for the rotated GTT view. That doesn't
> > acually make any sense since the fence is used only for the FBC GTT
> > tracking. For that we would want the fence for the normal GTT view
> > instead of the rotated view. Too lazy to fix this now so just add a
> > FIXME.
> 
> The rotated view can't have a fence as its vma is not fenceable.

I see. Doesn't change the fact that it's broken though. I'll see about
rewording this, or maybe I'll even try to fix it.

-- 
Ville Syrjälä
Intel OTC