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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-04-02 00:01:02 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-04-02 01:34:16 +0300 |
| commit | 63baf4f3d5875bc929d13bf8a559178ed4e8f1de (patch) | |
| tree | 4e429fe3fe6f4777cb935ca2a7c93c1a4468cb79 /drivers/gpu/drm/i915/i915_vma.c | |
| parent | 8a338f4bf64242e3284b4d937890aee8899500cd (diff) | |
| download | linux-63baf4f3d5875bc929d13bf8a559178ed4e8f1de.tar.xz | |
drm/i915/gt: Only wait for GPU activity before unbinding a GGTT fence
Only GPU activity via the GGTT fence is asynchronous, we know that we
control the CPU access directly, so we only need to wait for the GPU to
stop using the fence before we relinquish it.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200401210104.15907-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 18069df2a9e5..616ca5a7c875 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -1232,6 +1232,10 @@ int i915_vma_move_to_active(struct i915_vma *vma, dma_resv_add_shared_fence(vma->resv, &rq->fence); obj->write_domain = 0; } + + if (flags & EXEC_OBJECT_NEEDS_FENCE && vma->fence) + i915_active_add_request(&vma->fence->active, rq); + obj->read_domains |= I915_GEM_GPU_DOMAINS; obj->mm.dirty = true; |