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| author | Matthew Auld <matthew.auld@intel.com> | 2024-03-18 21:05:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-10 17:37:56 +0300 |
| commit | 0c9228e74ddddc6111acc5627ea5ffe0f07e516e (patch) | |
| tree | 331956db76c956f3d76a2f4c721fb183e7032f61 /drivers/gpu | |
| parent | 24d745091fdccdfcafdb4a64f75eeb324a96b649 (diff) | |
| download | linux-0c9228e74ddddc6111acc5627ea5ffe0f07e516e.tar.xz | |
drm/xe/device: fix XE_MAX_TILES_PER_DEVICE check
[ Upstream commit b45f20fa69cedb6038fdaec31bd600c273c865a5 ]
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: dd08ebf6c352 ("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 a96cd71ec7be0790f9fc4039ad21be8d214b03a4)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h index ee8be4c6b59b..bf8efb44edf6 100644 --- a/drivers/gpu/drm/xe/xe_device.h +++ b/drivers/gpu/drm/xe/xe_device.h @@ -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; |