[PATCH v4 4/4] drm/xe/pf: Allow wedged_mode=2 only in debug config

[Lukasz Laguna]

The GuC reset policy is global, so changing it on PF can impact running
VFs. To avoid unintended side effects, setting wedged_mode=2 on the PF
is restricted to debug builds only.

Signed-off-by: Lukasz Laguna <lukasz.laguna at intel.com>
---
 drivers/gpu/drm/xe/xe_device.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 7dfc39dd4c9c..f23d8236bddc 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -1189,7 +1189,8 @@ int xe_device_validate_wedged_mode(struct xe_device *xe, unsigned int mode)
 	if (mode > XE_WEDGED_MODE_UPON_ANY_HANG) {
 		drm_dbg(&xe->drm, "wedged_mode: invalid value (%u)\n", mode);
 		return -EINVAL;
-	} else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG && IS_SRIOV_VF(xe)) {
+	} else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG && (IS_SRIOV_VF(xe) ||
+		   (IS_SRIOV_PF(xe) && !IS_ENABLED(CONFIG_DRM_XE_DEBUG)))) {
 		drm_dbg(&xe->drm, "wedged_mode: unsupported mode (%u) for %s\n", mode,
 			xe_sriov_mode_to_string(xe_device_sriov_mode(xe)));
 		return -EPERM;
-- 
2.40.0