On 1/5/2021 4:58 PM, Chris Wilson wrote:
Quoting Daniele Ceraolo Spurio (2021-01-05 23:19:44)
GuC owns the execlists state and the context IDs used for submission, so
the status of the ports and the CSB entries are not something we control
or can decode from the i915 side, therefore we can avoid dumping it. A
follow-up patch will also stop setting the csb pointers when using GuC
submission.
GuC dumps all the required events in the GuC logs when verbosity is set
high enough.
Would not be worth including, or is it not very helpful for debugging
curious engine stalls?
GuC is going to reset the engine if it stalls, so we should get the GuC
logs and the engine state included in the error state.
Daniele
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: John Harrison <John.C.Harrison@xxxxxxxxx>
Cc: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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