If we have a wedged GPU that we need to recover, but fail, add a taint
for CI to pickup and schedule a reboot.

Signed-off-by: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Cc: Petri Latvala <[email protected]>
---
 drivers/gpu/drm/i915/gt/intel_reset.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c 
b/drivers/gpu/drm/i915/gt/intel_reset.c
index e189897e8797..bc1b51349438 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -872,8 +872,14 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt)
        ok = !HAS_EXECLISTS(gt->i915); /* XXX better agnosticism desired */
        if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display)
                ok = __intel_gt_reset(gt, ALL_ENGINES) == 0;
-       if (!ok)
+       if (!ok) {
+               /*
+                * Warn CI about the unrecoverable wedged condition.
+                * Time for a reboot.
+                */
+               add_taint_for_CI(TAINT_WARN);
                return false;
+       }
 
        /*
         * Undo nop_submit_request. We prevent all new i915 requests from
-- 
2.23.0

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