diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_engine_cs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 9ab596941372..58a235316f92 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1065,6 +1065,23 @@ static int bxt_init_workarounds(struct intel_engine_cs *engine) return 0; } +static int cnl_init_workarounds(struct intel_engine_cs *engine) +{ + struct drm_i915_private *dev_priv = engine->i915; + int ret; + + /* WaInPlaceDecompressionHang:cnl */ + WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA, + GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS); + + /* WaEnablePreemptionGranularityControlByUMD:cnl */ + ret= wa_ring_whitelist_reg(engine, GEN8_CS_CHICKEN1); + if (ret) + return ret; + + return 0; +} + static int kbl_init_workarounds(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; @@ -1185,6 +1202,8 @@ int init_workarounds_ring(struct intel_engine_cs *engine) err = glk_init_workarounds(engine); else if (IS_COFFEELAKE(dev_priv)) err = cfl_init_workarounds(engine); + else if (IS_CANNONLAKE(dev_priv)) + err = cnl_init_workarounds(engine); else err = 0; if (err) |