d4512cda8cd8 drm/xe/dsb: drop the unnecessary struct i915_vma
a14ef9f71623 drm/{i915,xe}/dsb: make struct intel_dsb_buffer opaque
165d104cd91f drm/{i915, xe}/dsb: allocate struct intel_dsb_buffer dynamically
0a6392eec1b8 drm/{i915, xe}/dsb: make {intel, xe}_dsb_buffer.c independent of display