[Intel-gfx] [RFC PATCH 30/42] drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET

[Chris Wilson]

Quoting Tvrtko Ursulin (2019-02-26 13:34:51)
> 
> On 14/02/2019 14:57, Matthew Auld wrote:
> > From: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
> > 
> > CPU mmap implementation depending on the object's backing pages.
> 
> depends?
> 
> > At the moment we introduce shmem and local-memory BAR fault handlers
> > Note that the mmap type is done one at a time to circumvent the DRM
> > offset manager limitation. Note that we multiplex mmap_gtt and
> 
> Perhaps it is time to sort out the offset manager? I have a feeling that 
> would make things much easier/cleaner for us.

I had skipped the changelog and didn't realise that was being blamed
for getting mmaps so wrong...

I don't buy that excuse.
-Chris