[Nouveau] [RFC PATCH 6/7] drm/nouveau: Support marking buffers for explicit sync

[Maarten Lankhorst]

Hey,

On 26-09-14 12:00, Lauri Peltonen wrote:
> Do not attach fences automatically to buffers that are marked for
> explicit synchronization.
> 
> Signed-off-by: Lauri Peltonen <lpeltonen at nvidia.com>
> ---
>  drm/nouveau_bo.c           |  8 ++++----
>  drm/nouveau_bo.h           |  4 ++--
>  drm/nouveau_drm.c          |  1 +
>  drm/nouveau_gem.c          | 47 +++++++++++++++++++++++++++++++++++++++-------
>  drm/nouveau_gem.h          |  6 ++++--
>  drm/nouveau_ttm.c          |  8 ++++----
>  drm/nv50_display.c         |  2 +-
>  drm/uapi/drm/nouveau_drm.h |  5 ++++-
>  8 files changed, 60 insertions(+), 21 deletions(-)

Considering this will break on eviction, is it really needed?
If a fence is waited on before starting an operation synchronization will be a noop.

~Maarten