From a464df0f24090c430fc6ecd5ee61521d618440d9 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Mon, 26 Jul 2021 17:23:29 -0700 Subject: [PATCH] drm/i915/guc: Enable the timer expired interrupt for GuC 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 CC: John Harrison Reviewed-by: John Harrison Signed-off-by: John Harrison Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-15-matthew.brost@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 06e9a8ed4e03c..0c8e7f2b06f00 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 (GRAPHICS_VER(i915) >= 8 && GRAPHICS_VER(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) -- 2.39.5