drm/i915/kbl: Init gen9 workarounds

Kabylake is part of gen9 family so init the generic gen9
workarounds for it.

v2: rebase

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-3-git-send-email-mika.kuoppala@intel.com

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 16e87a8..f97f70f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -911,21 +911,21 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
        uint32_t tmp;
        int ret;
 
-       /* WaEnableLbsSlaRetryTimerDecrement:skl */
+       /* WaEnableLbsSlaRetryTimerDecrement:skl,bxt,kbl */
        I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) |
                   GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE);
 
-       /* WaDisableKillLogic:bxt,skl */
+       /* WaDisableKillLogic:bxt,skl,kbl */
        I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
                   ECOCHK_DIS_TLB);
 
-       /* WaClearFlowControlGpgpuContextSave:skl,bxt */
-       /* WaDisablePartialInstShootdown:skl,bxt */
+       /* WaClearFlowControlGpgpuContextSave:skl,bxt,kbl */
+       /* WaDisablePartialInstShootdown:skl,bxt,kbl */
        WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
                          FLOW_CONTROL_ENABLE |
                          PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
 
-       /* Syncing dependencies between camera and graphics:skl,bxt */
+       /* Syncing dependencies between camera and graphics:skl,bxt,kbl */
        WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
                          GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
 
@@ -947,18 +947,18 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
                 */
        }
 
-       /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt */
-       /* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt */
+       /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl */
+       /* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */
        WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
                          GEN9_ENABLE_YV12_BUGFIX |
                          GEN9_ENABLE_GPGPU_PREEMPTION);
 
-       /* Wa4x4STCOptimizationDisable:skl,bxt */
-       /* WaDisablePartialResolveInVc:skl,bxt */
+       /* Wa4x4STCOptimizationDisable:skl,bxt,kbl */
+       /* 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 */
+       /* WaCcsTlbPrefetchDisable:skl,bxt,kbl */
        WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
                          GEN9_CCS_TLB_PREFETCH_ENABLE);
 
@@ -975,15 +975,17 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
                tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE;
        WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp);
 
-       /* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt */
-       if (IS_SKYLAKE(dev_priv) || IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0))
+       /* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt,kbl */
+       if (IS_SKYLAKE(dev_priv) ||
+           IS_KABYLAKE(dev_priv) ||
+           IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0))
                WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
                                  GEN8_SAMPLER_POWER_BYPASS_DIS);
 
-       /* WaDisableSTUnitPowerOptimization:skl,bxt */
+       /* WaDisableSTUnitPowerOptimization:skl,bxt,kbl */
        WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE);
 
-       /* WaOCLCoherentLineFlush:skl,bxt */
+       /* WaOCLCoherentLineFlush:skl,bxt,kbl */
        I915_WRITE(GEN8_L3SQCREG4, (I915_READ(GEN8_L3SQCREG4) |
                                    GEN8_LQSC_FLUSH_COHERENT_LINES));
 
@@ -992,12 +994,12 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
        if (ret)
                return ret;
 
-       /* WaEnablePreemptionGranularityControlByUMD:skl,bxt */
+       /* WaEnablePreemptionGranularityControlByUMD:skl,bxt,kbl */
        ret= wa_ring_whitelist_reg(engine, GEN8_CS_CHICKEN1);
        if (ret)
                return ret;
 
-       /* WaAllowUMDToModifyHDCChicken1:skl,bxt */
+       /* WaAllowUMDToModifyHDCChicken1:skl,bxt,kbl */
        ret = wa_ring_whitelist_reg(engine, GEN8_HDC_CHICKEN1);
        if (ret)
                return ret;
@@ -1182,6 +1184,17 @@ static int bxt_init_workarounds(struct intel_engine_cs *engine)
        return 0;
 }
 
+static int kbl_init_workarounds(struct intel_engine_cs *engine)
+{
+       int ret;
+
+       ret = gen9_init_workarounds(engine);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
 int init_workarounds_ring(struct intel_engine_cs *engine)
 {
        struct drm_i915_private *dev_priv = engine->i915;
@@ -1203,6 +1216,9 @@ int init_workarounds_ring(struct intel_engine_cs *engine)
        if (IS_BROXTON(dev_priv))
                return bxt_init_workarounds(engine);
 
+       if (IS_KABYLAKE(dev_priv))
+               return kbl_init_workarounds(engine);
+
        return 0;
 }