This is a note to let you know that I've just added the patch titled
drm/xe/device: fix XE_MAX_GT_PER_TILE check
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-xe-device-fix-xe_max_gt_per_tile-check.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 430d33b31c2a4e274f4f4f1e7289124d7ccc66eb
Author: Matthew Auld <matthew.auld@xxxxxxxxx>
Date: Mon Mar 18 18:05:34 2024 +0000
drm/xe/device: fix XE_MAX_GT_PER_TILE check
[ Upstream commit 23e1ee3a2317f41f47d4f7255257431c5f8d1c2c ]
Here XE_MAX_GT_PER_TILE is the total, therefore the gt index should
always be less than.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318180532.57522-5-matthew.auld@xxxxxxxxx
(cherry picked from commit a5ef563b1d676548a4c5016540833ff970230964)
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h
index 08d8b72c77319..ee8be4c6b59b1 100644
--- a/drivers/gpu/drm/xe/xe_device.h
+++ b/drivers/gpu/drm/xe/xe_device.h
@@ -58,7 +58,7 @@ static inline struct xe_tile *xe_device_get_root_tile(struct xe_device *xe)
static inline struct xe_gt *xe_tile_get_gt(struct xe_tile *tile, u8 gt_id)
{
- if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id > XE_MAX_GT_PER_TILE))
+ if (drm_WARN_ON(&tile_to_xe(tile)->drm, gt_id >= XE_MAX_GT_PER_TILE))
gt_id = 0;
return gt_id ? tile->media_gt : tile->primary_gt;
