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58052eb70c
Based on commit 8d8d062be6 ("drm/i915/mtl: Fix MTL stolen memory GGTT
mapping"). For stolen on MTL and beyond, the address in the PTE is the
offset from DSM base. While at it, update the comments explaining each
part of the calculation.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230726160708.3967790-9-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>