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| author |   Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-06-07 17:19:07 +0300 |
|---|---|---|
| committer |   Mika Kuoppala <mika.kuoppala@intel.com> | 2016-06-08 16:24:54 +0300 |
| commit | ad2bdb44b19529ba992bd0b7667e91b14fe9a9ee (patch) | |
| tree | 8e550af21ae9bffc0164b3779f6f7249fa812eb1 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | drm/i915/kbl: Add WaDisableDynamicCreditSharing (diff) | |
| download | wireguard-linux-ad2bdb44b19529ba992bd0b7667e91b14fe9a9ee.tar.xz wireguard-linux-ad2bdb44b19529ba992bd0b7667e91b14fe9a9ee.zip | |
drm/i915: Add WaInsertDummyPushConstP for bxt and kbl
Add this workaround for both bxt and kbl up to until
rev B0.
References: HSD#2136703
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-16-git-send-email-mika.kuoppala@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 10 |
1 files changed, 10 insertions, 0 deletions
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) |