diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index f0383a68c981..fc14ebf9a0b7 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -158,16 +158,18 @@ vma_create(struct drm_i915_gem_object *obj, GEM_BUG_ON(!IS_ALIGNED(vma->size, I915_GTT_PAGE_SIZE)); + spin_lock(&obj->vma.lock); + if (i915_is_ggtt(vm)) { if (unlikely(overflows_type(vma->size, u32))) - goto err_vma; + goto err_unlock; vma->fence_size = i915_gem_fence_size(vm->i915, vma->size, i915_gem_object_get_tiling(obj), i915_gem_object_get_stride(obj)); if (unlikely(vma->fence_size < vma->size || /* overflow */ vma->fence_size > vm->total)) - goto err_vma; + goto err_unlock; GEM_BUG_ON(!IS_ALIGNED(vma->fence_size, I915_GTT_MIN_ALIGNMENT)); @@ -179,8 +181,6 @@ vma_create(struct drm_i915_gem_object *obj, __set_bit(I915_VMA_GGTT_BIT, __i915_vma_flags(vma)); } - spin_lock(&obj->vma.lock); - rb = NULL; p = &obj->vma.tree.rb_node; while (*p) { @@ -225,6 +225,8 @@ vma_create(struct drm_i915_gem_object *obj, return vma; +err_unlock: + spin_unlock(&obj->vma.lock); err_vma: i915_vma_free(vma); return ERR_PTR(-E2BIG); @@ -520,7 +522,6 @@ void i915_vma_unpin_and_release(struct i915_vma **p_vma, unsigned int flags) GEM_BUG_ON(!obj); i915_vma_unpin(vma); - i915_vma_close(vma); if (flags & I915_VMA_RELEASE_MAP) i915_gem_object_unpin_map(obj); @@ -1021,13 +1022,8 @@ int i915_ggtt_pin(struct i915_vma *vma, u32 align, unsigned int flags) } while (1); } -void i915_vma_close(struct i915_vma *vma) +static void __vma_close(struct i915_vma *vma, struct intel_gt *gt) { - struct intel_gt *gt = vma->vm->gt; - unsigned long flags; - - GEM_BUG_ON(i915_vma_is_closed(vma)); - /* * We defer actually closing, unbinding and destroying the VMA until * the next idle point, or if the object is freed in the meantime. By @@ -1040,9 +1036,25 @@ void i915_vma_close(struct i915_vma *vma) * causing us to rebind the VMA once more. This ends up being a lot * of wasted work for the steady state. */ - spin_lock_irqsave(>->closed_lock, flags); + GEM_BUG_ON(i915_vma_is_closed(vma)); list_add(&vma->closed_link, >->closed_vma); - spin_unlock_irqrestore(>->closed_lock, flags); +} + +void i915_vma_close(struct i915_vma *vma) +{ + struct intel_gt *gt = vma->vm->gt; + unsigned long flags; + + if (i915_vma_is_ggtt(vma)) + return; + + GEM_BUG_ON(!atomic_read(&vma->open_count)); + if (atomic_dec_and_lock_irqsave(&vma->open_count, + >->closed_lock, + flags)) { + __vma_close(vma, gt); + spin_unlock_irqrestore(>->closed_lock, flags); + } } static void __i915_vma_remove_closed(struct i915_vma *vma) |