diff options
| author | Rob Clark <robdclark@chromium.org> | 2022-12-06 11:21:23 -0800 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2023-01-16 10:33:57 -0800 |
| commit | b1bf64f8b92a084e5c188446e62ea5ccaa9f005d (patch) | |
| tree | 91ad44a9978047218f8f102ae3479a3deffc53d9 /drivers/gpu/drm/msm/msm_gem_submit.c | |
| parent | 03a0a1040895711e12c15ab28d4d1812928e171d (diff) | |
drm/msm: Add MSM_SUBMIT_BO_NO_IMPLICIT
In cases where implicit sync is used, it is still useful (for things
like sub-allocation, etc) to allow userspace to opt-out of implicit
sync on per-BO basis.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/514216/
Link: https://lore.kernel.org/r/20221206192123.661448-1-robdclark@gmail.com
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gem_submit.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem_submit.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 73a2ca122c57..1af7e7c613a6 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -334,9 +334,20 @@ static int submit_fence_sync(struct msm_gem_submit *submit, bool no_implicit) if (ret) return ret; + /* If userspace has determined that explicit fencing is + * used, it can disable implicit sync on the entire + * submit: + */ if (no_implicit) continue; + /* Otherwise userspace can ask for implicit sync to be + * disabled on specific buffers. This is useful for internal + * usermode driver managed buffers, suballocation, etc. + */ + if (submit->bos[i].flags & MSM_SUBMIT_BO_NO_IMPLICIT) + continue; + ret = drm_sched_job_add_implicit_dependencies(&submit->base, obj, write); |