diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-08-16 02:16:50 +0300 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-08-19 01:32:58 +0300 |
| commit | d1d247543c5626eac1064aafd0a35c231828c211 (patch) | |
| tree | 04ae01769a9561089b206c5e291a9e0927f4fd27 /drivers/gpu/drm/i915 | |
| parent | e6d1a4f6b267933f81a9299c80b56cf1a36ca79e (diff) | |
| download | linux-d1d247543c5626eac1064aafd0a35c231828c211.tar.xz | |
drm/i915/cnl: WaDisableEnhancedSBEVertexCaching
WA forTDS handle reallocation getting dropped by SDE,
which may result in PS attribute corruption.
Disable enhanced SBE vertex caching in COMMON_SLICE_CHICKEN2 offset.
v2: Make it until B0 as spec tells. (by Mika).
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Oscar Mateo <oscar.mateo@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170815231651.975-3-rodrigo.vivi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index e66817d5d4ad..d23f18874309 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1074,6 +1074,11 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine) WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); + /* WaDisableEnhancedSBEVertexCaching:cnl (pre-prod) */ + if (IS_CNL_REVID(dev_priv, 0, CNL_REVID_B0)) + WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2, + GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE); + /* WaInPlaceDecompressionHang:cnl */ WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA, GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS); |