From f5af1659d809e264d619e5f483fd8f47bced3b6a Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sun, 22 Dec 2019 21:02:54 +0000 Subject: [PATCH] drm/i915: Add a simple is-bound check before unbinding Only acquire the various atomic references required to unbind the vma if we do need to unbind the vma. Signed-off-by: Chris Wilson Acked-by: Imre Deak Link: https://patchwork.freedesktop.org/patch/msgid/20191222210256.2066451-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_gem.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 983755bec76b..e9f82e9cb6ff 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -138,6 +138,10 @@ try_again: struct i915_address_space *vm = vma->vm; bool awake = false; + list_move_tail(&vma->obj_link, &still_in_list); + if (!i915_vma_is_bound(vma, I915_VMA_BIND_MASK)) + continue; + ret = -EAGAIN; if (!i915_vm_tryopen(vm)) break; @@ -153,7 +157,6 @@ try_again: } } - list_move_tail(&vma->obj_link, &still_in_list); spin_unlock(&obj->vma.lock); ret = -EBUSY;