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.winiarski@xxxxxxxxx> Cc: Anuj Phogat <anuj.phogat@xxxxxxxxx> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx> Cc: Rafael Antognolli <rafael.antognolli@xxxxxxxxx> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> --- 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 2fba33509f4e..582f554e53f4 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -1053,6 +1053,9 @@ 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx