From patchwork Thu Jan 26 08:57:37 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ander Conselvan de Oliveira X-Patchwork-Id: 9538493 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6CAC7604A0 for ; Thu, 26 Jan 2017 08:58:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5A54428112 for ; Thu, 26 Jan 2017 08:58:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4DA5A27E3E; Thu, 26 Jan 2017 08:58:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 956B727E3E for ; Thu, 26 Jan 2017 08:58:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F1D566EAE3; Thu, 26 Jan 2017 08:58:09 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2D19E6EAE3 for ; Thu, 26 Jan 2017 08:58:08 +0000 (UTC) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 26 Jan 2017 00:58:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,288,1477983600"; d="scan'208";a="35688821" Received: from linux.intel.com ([10.54.29.200]) by orsmga002.jf.intel.com with ESMTP; 26 Jan 2017 00:57:44 -0800 Received: from localhost (aconselv-mobl3.fi.intel.com [10.237.66.54]) by linux.intel.com (Postfix) with ESMTP id 1EF256A4006; Thu, 26 Jan 2017 00:56:46 -0800 (PST) From: Ander Conselvan de Oliveira To: intel-gfx@lists.freedesktop.org Date: Thu, 26 Jan 2017 10:57:37 +0200 Message-Id: <1485421057-7259-1-git-send-email-ander.conselvan.de.oliveira@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <20170124123339.vgd32rvekewisofr@boom> References: <20170124123339.vgd32rvekewisofr@boom> Cc: Ander Conselvan de Oliveira Subject: [Intel-gfx] [PATCH v2] drm/i915/glk: Turn on workarounds that apply to Geminilake too X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Apply workarounds to Geminilake, and annotate those that are applied unconditionally when they apply to GLK based on the workaround database. v2: Fix commit message typos. (David) Cc: David Weinehall Cc: Rodrigo Vivi Signed-off-by: Ander Conselvan de Oliveira --- drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++-- drivers/gpu/drm/i915/intel_lrc.c | 6 +++--- drivers/gpu/drm/i915/intel_mocs.c | 2 +- drivers/gpu/drm/i915/intel_pm.c | 23 ++++++++++++++++---- drivers/gpu/drm/i915/intel_ringbuffer.c | 37 +++++++++++++++++++++++++-------- 5 files changed, 53 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e808aad..bf1e79b 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2184,14 +2184,14 @@ static void gtt_write_workarounds(struct drm_i915_private *dev_priv) * called on driver load and after a GPU reset, so you can place * workarounds here even if they get overwritten by GPU reset. */ - /* WaIncreaseDefaultTLBEntries:chv,bdw,skl,bxt */ + /* WaIncreaseDefaultTLBEntries:chv,bdw,skl,bxt,glk */ if (IS_BROADWELL(dev_priv)) I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW); else if (IS_CHERRYVIEW(dev_priv)) I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV); else if (IS_SKYLAKE(dev_priv)) I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL); - else if (IS_BROXTON(dev_priv)) + else if (IS_GEN9_LP(dev_priv)) I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT); } diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 32096d1..1ec293e 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1102,13 +1102,13 @@ static int gen9_init_indirectctx_bb(struct intel_engine_cs *engine, struct drm_i915_private *dev_priv = engine->i915; uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS); - /* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt */ + /* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt,glk */ ret = gen8_emit_flush_coherentl3_wa(engine, batch, index); if (ret < 0) return ret; index = ret; - /* WaDisableGatherAtSetShaderCommonSlice:skl,bxt,kbl */ + /* WaDisableGatherAtSetShaderCommonSlice:skl,bxt,kbl,glk */ wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1)); wa_ctx_emit_reg(batch, index, COMMON_SLICE_CHICKEN2); wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE( @@ -1132,7 +1132,7 @@ static int gen9_init_indirectctx_bb(struct intel_engine_cs *engine, wa_ctx_emit(batch, index, 0); } - /* WaMediaPoolStateCmdInWABB:bxt */ + /* WaMediaPoolStateCmdInWABB:bxt,glk */ if (HAS_POOLED_EU(engine->i915)) { /* * EU pool configuration is setup along with golden context diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/intel_mocs.c index c787fc4..9c67534 100644 --- a/drivers/gpu/drm/i915/intel_mocs.c +++ b/drivers/gpu/drm/i915/intel_mocs.c @@ -191,7 +191,7 @@ static bool get_mocs_settings(struct drm_i915_private *dev_priv, "Platform that should have a MOCS table does not.\n"); } - /* WaDisableSkipCaching:skl,bxt,kbl */ + /* WaDisableSkipCaching:skl,bxt,kbl,glk */ if (IS_GEN9(dev_priv)) { int i; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index b257343..c8ebf1d 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -65,12 +65,12 @@ static void gen9_init_clock_gating(struct drm_i915_private *dev_priv) I915_WRITE(GEN8_CONFIG0, I915_READ(GEN8_CONFIG0) | GEN9_DEFAULT_FIXES); - /* WaEnableChickenDCPR:skl,bxt,kbl */ + /* WaEnableChickenDCPR:skl,bxt,kbl,glk */ I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | MASK_WAKEMEM); /* WaFbcTurnOffFbcWatermark:skl,bxt,kbl */ - /* WaFbcWakeMemOn:skl,bxt,kbl */ + /* WaFbcWakeMemOn:skl,bxt,kbl,glk */ I915_WRITE(DISP_ARB_CTL, I915_READ(DISP_ARB_CTL) | DISP_FBC_WM_DIS | DISP_FBC_MEMORY_WAKE); @@ -107,6 +107,19 @@ static void bxt_init_clock_gating(struct drm_i915_private *dev_priv) PWM1_GATING_DIS | PWM2_GATING_DIS); } +static void glk_init_clock_gating(struct drm_i915_private *dev_priv) +{ + gen9_init_clock_gating(dev_priv); + + /* + * WaDisablePWMClockGating:glk + * Backlight PWM may stop in the asserted state, causing backlight + * to stay fully on. + */ + I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) | + PWM1_GATING_DIS | PWM2_GATING_DIS); +} + static void i915_pineview_get_mem_freq(struct drm_i915_private *dev_priv) { u32 tmp; @@ -2176,7 +2189,7 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, } /* - * WaWmMemoryReadLatency:skl + * WaWmMemoryReadLatency:skl,glk * * punit doesn't take into account the read latency so we need * to add 2us to the various latency levels we retrieve from the @@ -7659,8 +7672,10 @@ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) dev_priv->display.init_clock_gating = skylake_init_clock_gating; else if (IS_KABYLAKE(dev_priv)) dev_priv->display.init_clock_gating = kabylake_init_clock_gating; - else if (IS_GEN9_LP(dev_priv)) + else if (IS_BROXTON(dev_priv)) dev_priv->display.init_clock_gating = bxt_init_clock_gating; + else if (IS_GEMINILAKE(dev_priv)) + dev_priv->display.init_clock_gating = glk_init_clock_gating; else if (IS_BROADWELL(dev_priv)) dev_priv->display.init_clock_gating = broadwell_init_clock_gating; else if (IS_CHERRYVIEW(dev_priv)) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 69035e4..d32cbba 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -812,10 +812,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) struct drm_i915_private *dev_priv = engine->i915; int ret; - /* WaConextSwitchWithConcurrentTLBInvalidate:skl,bxt,kbl */ + /* WaConextSwitchWithConcurrentTLBInvalidate:skl,bxt,kbl,glk */ I915_WRITE(GEN9_CSFE_CHICKEN1_RCS, _MASKED_BIT_ENABLE(GEN9_PREEMPT_GPGPU_SYNC_SWITCH_DISABLE)); - /* WaEnableLbsSlaRetryTimerDecrement:skl,bxt,kbl */ + /* WaEnableLbsSlaRetryTimerDecrement:skl,bxt,kbl,glk */ I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) | GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE); @@ -823,8 +823,8 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | ECOCHK_DIS_TLB); - /* WaClearFlowControlGpgpuContextSave:skl,bxt,kbl */ - /* WaDisablePartialInstShootdown:skl,bxt,kbl */ + /* WaClearFlowControlGpgpuContextSave:skl,bxt,kbl,glk */ + /* WaDisablePartialInstShootdown:skl,bxt,kbl,glk */ WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, FLOW_CONTROL_ENABLE | PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE); @@ -853,12 +853,12 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7, GEN9_ENABLE_GPGPU_PREEMPTION); - /* Wa4x4STCOptimizationDisable:skl,bxt,kbl */ + /* Wa4x4STCOptimizationDisable:skl,bxt,kbl,glk */ /* WaDisablePartialResolveInVc:skl,bxt,kbl */ WA_SET_BIT_MASKED(CACHE_MODE_1, (GEN8_4x4_STC_OPTIMIZATION_DISABLE | GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE)); - /* WaCcsTlbPrefetchDisable:skl,bxt,kbl */ + /* WaCcsTlbPrefetchDisable:skl,bxt,kbl,glk */ WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5, GEN9_CCS_TLB_PREFETCH_ENABLE); @@ -900,14 +900,14 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, GEN8_SAMPLER_POWER_BYPASS_DIS); - /* WaDisableSTUnitPowerOptimization:skl,bxt,kbl */ + /* WaDisableSTUnitPowerOptimization:skl,bxt,kbl,glk */ WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE); /* WaOCLCoherentLineFlush:skl,bxt,kbl */ I915_WRITE(GEN8_L3SQCREG4, (I915_READ(GEN8_L3SQCREG4) | GEN8_LQSC_FLUSH_COHERENT_LINES)); - /* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt */ + /* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt,glk */ ret = wa_ring_whitelist_reg(engine, GEN9_CTX_PREEMPT_REG); if (ret) return ret; @@ -917,7 +917,7 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) if (ret) return ret; - /* WaAllowUMDToModifyHDCChicken1:skl,bxt,kbl */ + /* WaAllowUMDToModifyHDCChicken1:skl,bxt,kbl,glk */ ret = wa_ring_whitelist_reg(engine, GEN8_HDC_CHICKEN1); if (ret) return ret; @@ -1120,6 +1120,22 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine) return 0; } +static int glk_init_workarounds(struct intel_engine_cs *engine) +{ + struct drm_i915_private *dev_priv = engine->i915; + int ret; + + ret = gen9_init_workarounds(engine); + if (ret) + return ret; + + /* WaToEnableHwFixForPushConstHWBug:glk */ + WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, + GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); + + return 0; +} + int init_workarounds_ring(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; @@ -1144,6 +1160,9 @@ int init_workarounds_ring(struct intel_engine_cs *engine) if (IS_KABYLAKE(dev_priv)) return kbl_init_workarounds(engine); + if (IS_GEMINILAKE(dev_priv)) + return glk_init_workarounds(engine); + return 0; }