[PATCH 2/2] drm/prime: Update docs

[Emil Velikov]

On 2019/06/18, Daniel Vetter wrote:
> Yes this is a bit a big patch, but since it's essentially a complete
> rewrite of all the prime docs I didn't see how to better split it up.
> 
> Changes:
> - Consistently point to drm_gem_object_funcs as the preferred hooks,
>   where applicable.
> 
> - Document all the hooks in &drm_driver that lacked kerneldoc.
> 
> - Completely new overview section, which now also includes the cleaned
>   up lifetime/reference counting subchapter. I also mentioned the weak
>   references in there due to the lookup caches.
> 
> - Completely rewritten helper intro section, highlight the
>   import/export related functionality.
> 
> - Polish for all the functions and more cross references.
> 
> I also sprinkled a bunch of todos all over.
> 
> Most important: 0 code changes in here. The cleanup motivated by
> reading and improving all this will follow later on.
> 
> v2: Actually update the prime helper docs. Plus add a few FIXMEs that
> I won't address right away in subsequent cleanup patches.
> 
> v3:
> - Split out the function moving. This patch is now exclusively
>   documentation changes.
> - Typos and nits (Sam).
> 
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: Eric Anholt <eric at anholt.net>
> Cc: Emil Velikov <emil.l.velikov at gmail.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
Had a quick read and it looks reasonable.
Acked-by: Emil Velikov <emil.velikov at collabora.com>

HTH
Emil