drm/i915/gem: Adjust vma offset for framebuffer mmap offset

From Andi Shyti
d73de3c6447644c65ed0e9a368328713dc28fb18 in linux-6.6.y/6.6.46
1ac5167b3a90c9820daa64cc65e319b2d958d686 in mainline linux

diff --git a/sys/dev/pci/drm/i915/gem/i915_gem_mman.c b/sys/dev/pci/drm/i915/gem/i915_gem_mman.c
index 983f22f..dcbb863 100644 (file)
--- a/sys/dev/pci/drm/i915/gem/i915_gem_mman.c
+++ b/sys/dev/pci/drm/i915/gem/i915_gem_mman.c
@@ -1590,6 +1590,8 @@ 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);
        }
 
        /*