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由 Oscar Mateo 提交于
Doorbell release flow requires that we wait for GEN8_DRB_VALID bit to go to zero after updating db_status before we call the GuC to release the doorbell. Kudos to Daniele for finding this out. v2: WARN instead of DRM_ERROR (Joonas) Signed-off-by: NOscar Mateo <oscar.mateo@intel.com> Reviewed-by: NDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
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