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3 Commits

Author SHA1 Message Date
Daniel Vetter
ffd5caa26f drm/doc/rfc: drop lmem uapi section 
We still have quite a bit more work to do with overall reworking of
the ttm-based dg1 code, but the uapi stuff is now finalized with the
latest pull. So remove that.

This also fixes kerneldoc build warnings because we've included the
same headers in two places, resulting in sphinx complaining about
duplicated symbols. This regression has been created when we moved the
uapi definitions to the real include/uapi/ folder in 727ecd99a4
("drm/doc/rfc: drop the i915_gem_lmem.h header")

v2: Fix a few references that I missed, the htmldocs build took
forever.

Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tested-by Stephen Rothwell <sfr@canb.auug.org.au> (v1)
References: https://lore.kernel.org/dri-devel/20210603193242.1ce99344@canb.auug.org.au/
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 727ecd99a4 ("drm/doc/rfc: drop the i915_gem_lmem.h header")
Cc: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210810142748.1983271-1-daniel.vetter@ffwll.ch
(cherry picked from commit dae2d28832)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
 2021-08-12 06:05:45 -04:00
Matthew Auld
727ecd99a4 drm/doc/rfc: drop the i915_gem_lmem.h header 
The proper headers have now landed in include/uapi/drm/i915_drm.h, so we
can drop i915_gem_lmem.h and instead just reference the real headers for
pulling in the kernel doc.

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210511170356.430284-1-matthew.auld@intel.com
 2021-05-12 10:13:55 +01:00
Matthew Auld
2bc9c04ea7 drm/doc/rfc: i915 DG1 uAPI 
Add an entry for the new uAPI needed for DG1. Also add the overall
upstream plan, including some notes for the TTM conversion.

v2(Daniel):
  - include the overall upstreaming plan
  - add a note for mmap, there are differences here for TTM vs i915
  - bunch of other suggestions from Daniel
v3:
 (Daniel)
  - add a note for set/get caching stuff
  - add some more docs for existing query and extensions stuff
  - add an actual code example for regions query
  - bunch of other stuff
 (Jason)
  - uAPI change(!):
	- try a simpler design with the placements extension
	- rather than have a generic setparam which can cover multiple
	  use cases, have each extension be responsible for one thing
	  only
v4:
 (Daniel)
  - add some more notes for ttm conversion
  - bunch of other stuff
 (Jason)
  - uAPI change(!):
	- drop all the extra rsvd members for the region_query and
	  region_info, just keep the bare minimum needed for padding
v5:
(Jason)
  - for the upstream plan, add a requirement that we send the uAPI bits
    again for final sign off before turning it on for real
  - document how we intend to extend the rsvd bits for the region query
(Kenneth)
  - improve the comment for the smem+lmem mmap mode and caching

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: mesa-dev@lists.freedesktop.org
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Acked-by: Jon Bloomfield <jon.bloomfield@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210429103056.407067-1-matthew.auld@intel.com
 2021-05-04 10:48:59 +01:00