drm/xe/pf: Allow upon-any-hang wedged mode only in debug config

The GuC reset policy is global, so disabling it on PF can affect all
running VFs. To avoid unintended side effects, restrict setting
upon-any-hang (2) wedged mode on the PF to debug builds only.

Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20260107174741.29163-5-lukasz.laguna@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index d3431128670ea0116337c6f129dc0c797cfc9b49..e400ad5c9f9ec7d7ec229a6f30f23f2097807c52 100644 (file)
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -1387,7 +1387,8 @@ int xe_device_validate_wedged_mode(struct xe_device *xe, unsigned int mode)
        if (mode > XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET) {
                drm_dbg(&xe->drm, "wedged_mode: invalid value (%u)\n", mode);
                return -EINVAL;
-       } else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET && IS_SRIOV_VF(xe)) {
+       } else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET && (IS_SRIOV_VF(xe) ||
+                  (IS_SRIOV_PF(xe) && !IS_ENABLED(CONFIG_DRM_XE_DEBUG)))) {
                drm_dbg(&xe->drm, "wedged_mode: (%u) %s mode is not supported for %s\n",
                        mode, xe_wedged_mode_to_string(mode),
                        xe_sriov_mode_to_string(xe_device_sriov_mode(xe)));