From e6d1a4f6b267933f81a9299c80b56cf1a36ca79e Mon Sep 17 00:00:00 2001 From: Rodrigo Vivi Date: Tue, 15 Aug 2017 16:16:49 -0700 Subject: [PATCH] drm/i915/cnl: Add WaDisableReplayBufferBankArbitrationOptimization WA to disable replay buffer destination buffer arbitration optimization. Same Wa on previous platforms has a different name: WaToEnableHwFixForPushConstHWBug Signed-off-by: Rodrigo Vivi Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20170815231651.975-2-rodrigo.vivi@intel.com --- drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 58a235316f92..e66817d5d4ad 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1070,6 +1070,10 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine) struct drm_i915_private *dev_priv = engine->i915; int ret; + /* WaDisableReplayBufferBankArbitrationOptimization:cnl */ + WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, + GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); + /* WaInPlaceDecompressionHang:cnl */ WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA, GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS); -- 2.30.2