During GuC reset prepare, interrupt disabled before hardware reset. Add disable ct to prevent unnecessary message processing.
Signed-off-by: Zhanjun Dong <[email protected]> --- drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 3 +++ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c index 0d5197c0824a..7fd4f8f9131a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -1176,6 +1176,9 @@ static bool ct_process_incoming_requests(struct intel_guc_ct *ct) bool done; int err; + if (!ct->enabled) + return true; + spin_lock_irqsave(&ct->requests.lock, flags); request = list_first_entry_or_null(&ct->requests.incoming, struct ct_incoming_msg, link); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index 9ede6f240d79..866b71a87630 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -1684,6 +1684,8 @@ void intel_guc_submission_reset_prepare(struct intel_guc *guc) guc->interrupts.disable(guc); __reset_guc_busyness_stats(guc); + intel_guc_ct_disable(&guc->ct); + /* Flush IRQ handler */ spin_lock_irq(guc_to_gt(guc)->irq_lock); spin_unlock_irq(guc_to_gt(guc)->irq_lock); -- 2.34.1
