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drm/xe: Use dynamic allocation for tile and device VRAM region structures

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[ Upstream commit f92cfd72d9 ]

In future platforms, we will need to represent the device and tile
VRAM regions in a more dynamic way, so let's abandon the static
allocation of these structures and start use a dynamic allocation.

v2:
 - Add a helpers for accessing fields of the xe_vram_region structure
v3:
- Add missing EXPORT_SYMBOL_IF_KUNIT for
  xe_vram_region_actual_physical_size

Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Reviewed-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Acked-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250714184818.89201-3-piotr.piorkowski@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Stable-dep-of: d30203739b ("drm/xe: Move rebar to be done earlier")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Piotr Piórkowski 2025-10-21 09:34:24 -04:00 • committed by Greg Kroah-Hartman
commit 31afb337c3
16 changed files with 202 additions and 77 deletions
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