From 3be192e92ddcad15f7bf6b4b9e3f195eb8c1fe76 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Fri, 16 Sep 2016 16:59:47 +0300 Subject: [PATCH] drm/i915/skl: drop workarounds for E0 revision Pre-production hardware is not supported. Reviewed-by: Paulo Zanoni Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/0633a02177195703502ef2396aab03efc0314334.1474034059.git.jani.nikula@intel.com --- drivers/gpu/drm/i915/intel_lrc.c | 5 ++--- drivers/gpu/drm/i915/intel_ringbuffer.c | 14 -------------- 2 files changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index ca649ccc..2d8eb2e 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -845,13 +845,12 @@ static inline int gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *engine, uint32_t l3sqc4_flush = (0x40400000 | GEN8_LQSC_FLUSH_COHERENT_LINES); /* - * WaDisableLSQCROPERFforOCL:skl,kbl + * WaDisableLSQCROPERFforOCL:kbl * This WA is implemented in skl_init_clock_gating() but since * this batch updates GEN8_L3SQCREG4 with default value we need to * set this bit here to retain the WA during flush. */ - if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0) || - IS_KBL_REVID(dev_priv, 0, KBL_REVID_E0)) + if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_E0)) l3sqc4_flush |= GEN8_LQSC_RO_PERF_DIS; wa_ctx_emit(batch, index, (MI_STORE_REGISTER_MEM_GEN8 | diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 6880082..68dc27f 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1003,20 +1003,6 @@ static int skl_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GEN7_FF_SLICE_CS_CHICKEN1, _MASKED_BIT_ENABLE(GEN9_FFSC_PERCTX_PREEMPT_CTRL)); - if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0)) { - /* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */ - I915_WRITE(FF_SLICE_CS_CHICKEN2, - _MASKED_BIT_ENABLE(GEN9_TSG_BARRIER_ACK_DISABLE)); - } - - /* GEN8_L3SQCREG4 has a dependency with WA batch so any new changes - * involving this register should also be added to WA batch as required. - */ - if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0)) - /* WaDisableLSQCROPERFforOCL:skl */ - I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | - GEN8_LQSC_RO_PERF_DIS); - /* WaEnableGapsTsvCreditFix:skl */ I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) | GEN9_GAPS_TSV_CREDIT_DISABLE)); -- 2.7.4