6.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Matthew Auld <matthew.auld@xxxxxxxxx>
commit 45c30b2923e5c53e0ef057a8a525b0456adde18e upstream.
The user provided gt_id should always be less than the
XE_MAX_GT_PER_TILE.
Fixes: 7793d00d1bf5 ("drm/xe: Correlate engine and cpu timestamps with better accuracy")
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v6.8+
Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Acked-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240321110629.334701-2-matthew.auld@xxxxxxxxx
(cherry picked from commit 4b275f502a0d3668195762fb55fa00e659ad1b0b)
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/xe/xe_query.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index 92bb06c0586e..075f9eaef031 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -132,7 +132,7 @@ query_engine_cycles(struct xe_device *xe,
return -EINVAL;
eci = &resp.eci;
- if (eci->gt_id > XE_MAX_GT_PER_TILE)
+ if (eci->gt_id >= XE_MAX_GT_PER_TILE)
return -EINVAL;
gt = xe_device_get_gt(xe, eci->gt_id);
--
2.44.0
