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drm/i915/guc: Improve error message for unsolicited CT response

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Improve the error message when a unsolicited CT response is received by
printing fence that couldn't be found, the last fence, and all requests
with a response outstanding.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210708162055.129996-3-matthew.brost@intel.com
This commit is contained in:
Matthew Brost
2021-07-08 09:20:50 -07:00
committed by John Harrison
parent 1ccf7294b7
commit dd9c0f3cbb
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
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@@ -732,12 +732,16 @@ static int ct_handle_response(struct intel_guc_ct *ct, struct ct_incoming_msg *r
found = true;
break;
}
spin_unlock_irqrestore(&ct->requests.lock, flags);
if (!found) {
CT_ERROR(ct, "Unsolicited response (fence %u)\n", fence);
return -ENOKEY;
CT_ERROR(ct, "Could not find fence=%u, last_fence=%u\n", fence,
ct->requests.last_fence);
list_for_each_entry(req, &ct->requests.pending, link)
CT_ERROR(ct, "request %u awaits response\n",
req->fence);
err = -ENOKEY;
}
spin_unlock_irqrestore(&ct->requests.lock, flags);
if (unlikely(err))
return err;