drm/xe/guc: Wait before retrying sending H2G

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We shall resend H2G message after receiving NO_RESPONSE_RETRY reply,
but since GuC dropped that H2G due to some interim state, we should
give it a little time to stabilize. Wait before sending the same H2G
again, start with 1ms delay, then increase exponentially to 256ms.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260127193727.601-6-michal.wajdeczko@intel.com

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Michal Wajdeczko 2026-01-27 20:37:25 +01:00

parent 09b45fd9d3

commit e116fd5c60

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drivers/gpu/drm/xe/xe_guc.c

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