The GuC can implement execution qunatums, detect hung contexts and
other such things but it requires the timer expired interrupt to do so.
Signed-off-by: Matthew Brost <matthew.br...@intel.com>
CC: John Harrison <john.c.harri...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_rps.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c
b/drivers/gpu/drm/i915/gt/intel_rps.c
index 97cab1b99871..0bf86d54adb6 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -1877,6 +1877,10 @@ void intel_rps_init(struct intel_rps *rps)
if (INTEL_GEN(i915) >= 8 && INTEL_GEN(i915) < 11)
rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC;
+
+ /* GuC needs ARAT expired interrupt unmasked */
+ if (intel_uc_uses_guc_submission(&rps_to_gt(rps)->uc))
+ rps->pm_intrmsk_mbz |= ARAT_EXPIRED_INTRMSK;
}
void intel_rps_sanitize(struct intel_rps *rps)
--
2.28.0
