diff options
-rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 56a54ea6a489..11e10a0ccd37 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6089,6 +6089,7 @@ enum skl_disp_power_wells { # define GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC ((1<<10) | (1<<26)) # define GEN9_RHWO_OPTIMIZATION_DISABLE (1<<14) #define COMMON_SLICE_CHICKEN2 _MMIO(0x7014) +# define GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION (1<<8) # define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE (1<<0) #define HIZ_CHICKEN _MMIO(0x7018) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index d1c02ed20f37..a397b876da2c 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1183,6 +1183,11 @@ static int bxt_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GEN8_L3SQCREG1, L3_GENERAL_PRIO_CREDITS(62) | L3_HIGH_PRIO_CREDITS(2)); + /* WaInsertDummyPushConstPs:bxt */ + if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0)) + WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, + GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); + return 0; } @@ -1217,6 +1222,11 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine) I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | GEN8_LQSC_RO_PERF_DIS); + /* WaInsertDummyPushConstPs:kbl */ + if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0)) + WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, + GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); + /* WaDisableLSQCROPERFforOCL:kbl */ ret = wa_ring_whitelist_reg(engine, GEN8_L3SQCREG4); if (ret) |