[Intel-gfx] [PATCH 0/8] drm/i915: Migrate memory to SMEM when imported cross-device (v8)

Matthew Auld matthew.william.auld at gmail.com
Mon Jul 26 08:12:17 UTC 2021


On Fri, 23 Jul 2021 at 18:21, Jason Ekstrand <jason at jlekstrand.net> wrote:
>
> This patch series fixes an issue with discrete graphics on Intel where we
> allowed dma-buf import while leaving the object in local memory.  This
> breaks down pretty badly if the import happened on a different physical
> device.
>
> v7:
>  - Drop "drm/i915/gem/ttm: Place new BOs in the requested region"
>  - Add a new "drm/i915/gem: Call i915_gem_flush_free_objects() in i915_gem_dumb_create()"
>  - Misc. review feedback from Matthew Auld
> v8:
>  - Misc. review feedback from Matthew Auld
> v9:
>  - Replace the i915/ttm patch with two that are hopefully more correct
>
> Jason Ekstrand (6):
>   drm/i915/gem: Check object_can_migrate from object_migrate
>   drm/i915/gem: Refactor placement setup for i915_gem_object_create*
>     (v2)
>   drm/i915/gem: Call i915_gem_flush_free_objects() in
>     i915_gem_dumb_create()
>   drm/i915/gem: Unify user object creation (v3)
>   drm/i915/gem/ttm: Only call __i915_gem_object_set_pages if needed
>   drm/i915/gem: Always call obj->ops->migrate unless can_migrate fails
>
> Thomas Hellström (2):
>   drm/i915/gem: Correct the locking and pin pattern for dma-buf (v8)
>   drm/i915/gem: Migrate to system at dma-buf attach time (v7)

Should I push the series?

>
>  drivers/gpu/drm/i915/gem/i915_gem_create.c    | 177 ++++++++--------
>  drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c    |  58 ++++--
>  drivers/gpu/drm/i915/gem/i915_gem_object.c    |  20 +-
>  drivers/gpu/drm/i915/gem/i915_gem_object.h    |   4 +
>  drivers/gpu/drm/i915/gem/i915_gem_ttm.c       |  13 +-
>  .../drm/i915/gem/selftests/i915_gem_dmabuf.c  | 190 +++++++++++++++++-
>  .../drm/i915/gem/selftests/i915_gem_migrate.c |  15 --
>  7 files changed, 341 insertions(+), 136 deletions(-)
>
> --
> 2.31.1
>
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