drm/xe: Fix MTL+ stolen memory mapping

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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>

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Lucas De Marchi 2023-07-26 09:07:06 -07:00 • committed by Rodrigo Vivi

parent b23ebae7ab

commit 58052eb70c

1 changed files with 13 additions and 2 deletions

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15

drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c

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