We may unload the PCI device before all users (such as dma-buf) are
completely shutdown. This may leave VMA in the global GTT which we want
to revoke, whilst keeping the objects themselves around to service the
dma-buf.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 22b3374096e8..00dd2ef11e43 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2817,6 +2817,15 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv)
void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv)
{
struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ struct i915_vma *vma, *vn;
+
+ ggtt->base.closed = true;
+
+ mutex_lock(&dev_priv->drm.struct_mutex);
+ WARN_ON(!list_empty(&ggtt->base.active_list));
+ list_for_each_entry_safe(vma, vn, &ggtt->base.inactive_list, vm_link)
+ WARN_ON(i915_vma_unbind(vma));
+ mutex_unlock(&dev_priv->drm.struct_mutex);
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
--
2.11.0
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