drm/i915/glk: Turn on workarounds that apply to Geminilake too

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)
v3: Rebase.
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1485422218-9102-1-git-send-email-ander.conselvan.de.oliveira@intel.com

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 40685c6..048040e 100644 (file)
--- 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,kbl */
+       /* WaIncreaseDefaultTLBEntries:chv,bdw,skl,bxt,kbl,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_GEN9_BC(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 bee9d56..0e7b950 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1101,13 +1101,13 @@ 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(
@@ -1131,7 +1131,7 @@ 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 8f98fc7..773e362 100644 (file)
--- 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 bec4283..ec16f3d 100644 (file)
--- 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);
@@ -104,6 +104,19 @@ 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;
@@ -2173,7 +2186,7 @@ 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
@@ -7645,8 +7658,10 @@ 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 (file)
--- 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;
 }