6.18-stable review patch. If anyone has any objections, please let me know.
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From: Ashutosh Dixit ashutosh.dixit@intel.com
commit 3767ca4166ad42fa9e34269efeaf9f15995cd92d upstream.
An EU stall property value of 0 is invalid and will cause a NPD.
Reported-by: Peter Senna Tschudin peter.senna@linux.intel.com Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/6453 Fixes: 1537ec85ebd7 ("drm/xe/uapi: Introduce API for EU stall sampling") Cc: stable@vger.kernel.org Signed-off-by: Ashutosh Dixit ashutosh.dixit@intel.com Reviewed-by: Harish Chegondi harish.chegondi@intel.com Link: https://patch.msgid.link/20251212061850.1565459-4-ashutosh.dixit@intel.com (cherry picked from commit 5bf763e908bf795da4ad538d21c1ec41f8021f76) Signed-off-by: Thomas Hellström thomas.hellstrom@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/xe/xe_eu_stall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/xe/xe_eu_stall.c +++ b/drivers/gpu/drm/xe/xe_eu_stall.c @@ -290,7 +290,7 @@ static int xe_eu_stall_user_ext_set_prop return -EFAULT;
if (XE_IOCTL_DBG(xe, ext.property >= ARRAY_SIZE(xe_set_eu_stall_property_funcs)) || - XE_IOCTL_DBG(xe, ext.pad)) + XE_IOCTL_DBG(xe, !ext.property) || XE_IOCTL_DBG(xe, ext.pad)) return -EINVAL;
idx = array_index_nospec(ext.property, ARRAY_SIZE(xe_set_eu_stall_property_funcs));