There are still some cases where userspace needs to change the
preemption granularity for compute workloads. Let's whitelist the
per-ctx granularity control register to allow it.
Signed-off-by: Michał Winiarski <michal.winiar...@intel.com>
Cc: Anuj Phogat <anuj.pho...@intel.com>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Cc: Rafael Antognolli <rafael.antogno...@intel.com>
---
drivers/gpu/drm/i915/intel_workarounds.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c
b/drivers/gpu/drm/i915/intel_workarounds.c
index a19e1c0052a7..1aa167415096 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -1057,6 +1057,9 @@ static void icl_whitelist_build(struct i915_wa_list *w)
/* WaAllowUMDToModifySamplerMode:icl */
whitelist_reg(w, GEN10_SAMPLER_MODE);
+
+ /* WaEnablePreemptionGranularityControlByUMD:icl */
+ whitelist_reg(w, GEN8_CS_CHICKEN1);
}
void intel_engine_init_whitelist(struct intel_engine_cs *engine)
--
2.20.1
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