From: Matthew Brost <matthew.brost@xxxxxxxxx> The EU priority register must be updated by the GuC rather than the driver as it is context specific and only the GuC knows which context is currently executing. Cc: John Harrison <john.c.harrison@xxxxxxxxx> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx> Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx> Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 ++ 1 file changed, 2 insertions(+) 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 75291e9846c50..8f3ed60ff07d9 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -2420,6 +2420,8 @@ static void prepare_context_registration_info(struct intel_context *ce, */ info->hwlrca_lo = lower_32_bits(ce->lrc.lrca); info->hwlrca_hi = upper_32_bits(ce->lrc.lrca); + if (engine->flags & I915_ENGINE_HAS_EU_PRIORITY) + info->hwlrca_lo |= lrc_desc_priority(ce->guc_state.prio); info->flags = CONTEXT_REGISTRATION_FLAG_KMD; /* -- 2.25.1