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drm/i915/cnl: Add WaDisableReplayBufferBankArbitrationOptimization
author
Rodrigo Vivi
<rodrigo.vivi@intel.com>
Tue, 15 Aug 2017 23:16:49 +0000
(16:16 -0700)
committer
Rodrigo Vivi
<rodrigo.vivi@intel.com>
Fri, 18 Aug 2017 22:32:34 +0000
(15:32 -0700)
WA to disable replay buffer destination buffer arbitration optimization.
Same Wa on previous platforms has a different name: WaToEnableHwFixForPushConstHWBug
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20170815231651.975-2-rodrigo.vivi@intel.com
drivers/gpu/drm/i915/intel_engine_cs.c
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diff --git
a/drivers/gpu/drm/i915/intel_engine_cs.c
b/drivers/gpu/drm/i915/intel_engine_cs.c
index
58a2353
..
e66817d
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/
drivers/gpu/drm/i915/intel_engine_cs.c
@@
-1070,6
+1070,10
@@
static int cnl_init_workarounds(struct intel_engine_cs *engine)
struct drm_i915_private *dev_priv = engine->i915;
int ret;
+ /* WaDisableReplayBufferBankArbitrationOptimization:cnl */
+ WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
+ GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
+
/* WaInPlaceDecompressionHang:cnl */
WA_SET_BIT(GEN9_GAMT_ECO_REG_RW_IA,
GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS);