diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2023-04-04 15:37:25 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-04-04 15:37:25 -0700 |
| commit | ca712e47054678c5ce93a0e0f686353ad5561195 (patch) | |
| tree | 575dd9f2e541ddd74b72e82dfe69c5badcb9e281 /drivers/gpu/drm/i915/i915_active.c | |
| parent | 24b18197184ac39bb8566fb82c0bf788bcd0d45b (diff) | |
| parent | abf04be0e7071f2bcd39bf97ba407e7d4439785e (diff) | |
Merge branch 'for-6.3/cxl-doe-fixes' into for-6.3/cxl
Pick up the fixes (first 6 patches) from the DOE rework series from
Lukas for v6.3-rc.
Link: https://lore.kernel.org/all/cover.1678543498.git.lukas@wunner.de/
Diffstat (limited to 'drivers/gpu/drm/i915/i915_active.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_active.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 7412abf166a8..a9fea115f2d2 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -422,12 +422,12 @@ replace_barrier(struct i915_active *ref, struct i915_active_fence *active) * we can use it to substitute for the pending idle-barrer * request that we want to emit on the kernel_context. */ - __active_del_barrier(ref, node_from_active(active)); - return true; + return __active_del_barrier(ref, node_from_active(active)); } int i915_active_add_request(struct i915_active *ref, struct i915_request *rq) { + u64 idx = i915_request_timeline(rq)->fence_context; struct dma_fence *fence = &rq->fence; struct i915_active_fence *active; int err; @@ -437,16 +437,19 @@ int i915_active_add_request(struct i915_active *ref, struct i915_request *rq) if (err) return err; - active = active_instance(ref, i915_request_timeline(rq)->fence_context); - if (!active) { - err = -ENOMEM; - goto out; - } + do { + active = active_instance(ref, idx); + if (!active) { + err = -ENOMEM; + goto out; + } + + if (replace_barrier(ref, active)) { + RCU_INIT_POINTER(active->fence, NULL); + atomic_dec(&ref->count); + } + } while (unlikely(is_barrier(active))); - if (replace_barrier(ref, active)) { - RCU_INIT_POINTER(active->fence, NULL); - atomic_dec(&ref->count); - } if (!__i915_active_fence_set(active, fence)) __i915_active_acquire(ref); |