| Message ID | 20230404002211.3611376-11-matthew.brost@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Xe DRM scheduler and long running workload plans | expand |
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 0c2be8360525..7c304cd7d037 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -291,6 +291,7 @@ void drm_syncobj_add_point(struct drm_syncobj *syncobj, struct syncobj_wait_entry *cur, *tmp; struct dma_fence *prev; + WARN_ON_ONCE(dma_fence_is_lr(fence)); dma_fence_get(fence); spin_lock(&syncobj->lock); @@ -325,8 +326,10 @@ void drm_syncobj_replace_fence(struct drm_syncobj *syncobj, struct dma_fence *old_fence; struct syncobj_wait_entry *cur, *tmp; - if (fence) + if (fence) { + WARN_ON_ONCE(dma_fence_is_lr(fence)); dma_fence_get(fence); + } spin_lock(&syncobj->lock);
Long running dma-fences are not allowed to be exported, a drm_syncobj is designed to be exported to the user, so add a warn if drm_syncobj install long running dna-fences as this is not allowed. Signed-off-by: Matthew Brost <matthew.brsot@intel.com> --- drivers/gpu/drm/drm_syncobj.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)