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drm/xe/device: fix XE_MAX_TILES_PER_DEVICE check

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Here XE_MAX_TILES_PER_DEVICE is the gt array size, therefore the gt
index should always be less than.

v2 (Lucas):
  - Add fixes tag.

Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318180532.57522-6-matthew.auld@intel.com
(cherry picked from commit a96cd71ec7)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Matthew Auld
2024-03-18 18:05:35 +00:00
committed by Lucas De Marchi
parent 23e1ee3a23
commit b45f20fa69
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/xe/xe_device.h
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@@ -79,7 +79,7 @@ static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id)
if (MEDIA_VER(xe) >= 13) {
gt = xe_tile_get_gt(root_tile, gt_id);
} else {
if (drm_WARN_ON(&xe->drm, gt_id > XE_MAX_TILES_PER_DEVICE))
if (drm_WARN_ON(&xe->drm, gt_id >= XE_MAX_TILES_PER_DEVICE))
gt_id = 0;
gt = xe->tiles[gt_id].primary_gt;