Seems like there's a missing ack before the guc is ready for commands.
Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
---
drivers/gpu/drm/i915/intel_guc_submission.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c
b/drivers/gpu/drm/i915/intel_guc_submission.c
index fb0499f80b62..b7fd3422cb28 100644
--- a/drivers/gpu/drm/i915/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/intel_guc_submission.c
@@ -1307,6 +1307,8 @@ int intel_guc_submission_enable(struct intel_guc *guc)
GEM_BUG_ON(!guc->execbuf_client);
+ usleep_range(1000, 10000);
+
err = intel_guc_sample_forcewake(guc);
if (err)
return err;
--
2.19.1
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