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drm/xe/eustall: Disallow 0 EU stall property values

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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: 1537ec85eb ("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 5bf763e908)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This commit is contained in:
Ashutosh Dixit 2025-12-11 22:18:50 -08:00 committed by Thomas Hellström
parent 3595114bc3
commit 3767ca4166
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/xe/xe_eu_stall.c
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@ -315,7 +315,7 @@ static int xe_eu_stall_user_ext_set_property(struct xe_device *xe, u64 extension
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));