0fc645f338
If the HW has not processed the db invalidation request yet, clearing the cookie can generate a db ring. We clear the cookie when we (re-)allocate the doorbell so no need to do it on destroy as well as no one is going to look at it while the doorbell is inactive v2: fix typo in patch title (Michal) Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20181002215430.15049-2-daniele.ceraolospurio@intel.com |
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