Until now the "vm_pgoff" was not used and there has been no need to set its offset. But now, because we want to support partial mappings with a given offset, we need it to be set. Suggested-by: Chris Wilson <chris.p.wilson@xxxxxxxxxxxxxxx> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index a2195e28b625..ce10dd259812 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -1084,6 +1084,8 @@ int i915_gem_fb_mmap(struct drm_i915_gem_object *obj, struct vm_area_struct *vma mmo = mmap_offset_attach(obj, mmap_type, NULL); if (IS_ERR(mmo)) return PTR_ERR(mmo); + + vma->vm_pgoff += drm_vma_node_start(&mmo->vma_node); } /* -- 2.43.0