drm/i915/gem: Do not look for the exact address in node

In preparation for the upcoming partial memory mapping feature,
we want to make sure that when looking for a node we consider
also the offset and not just the starting address of the virtual
memory node.

Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240807100521.478266-2-andi.shyti@linux.intel.com
This commit is contained in:
Andi Shyti 2024-08-07 11:05:20 +01:00
parent 0523374e30
commit 609d8b1c42

View File

@ -1079,9 +1079,9 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
rcu_read_lock();
drm_vma_offset_lock_lookup(dev->vma_offset_manager);
node = drm_vma_offset_exact_lookup_locked(dev->vma_offset_manager,
vma->vm_pgoff,
vma_pages(vma));
node = drm_vma_offset_lookup_locked(dev->vma_offset_manager,
vma->vm_pgoff,
vma_pages(vma));
if (node && drm_vma_node_is_allowed(node, priv)) {
/*
* Skip 0-refcnted objects as it is in the process of being