This w/a (WaClearTdlStateAckDirtyBits) was only used for preproduction hw,
which is no longer in use. Remove the workaround to simplify the code.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 19 -------------------
1 file changed, 19 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 029a60e8683d..32096d141d57 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1170,25 +1170,6 @@ static int gen9_init_perctx_bb(struct intel_engine_cs *engine,
{
uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
- /* WaClearTdlStateAckDirtyBits:bxt */
- if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_B0)) {
- wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(4));
-
- wa_ctx_emit_reg(batch, index, GEN8_STATE_ACK);
- wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE(GEN9_SUBSLICE_TDL_ACK_BITS));
-
- wa_ctx_emit_reg(batch, index, GEN9_STATE_ACK_SLICE1);
- wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE(GEN9_SUBSLICE_TDL_ACK_BITS));
-
- wa_ctx_emit_reg(batch, index, GEN9_STATE_ACK_SLICE2);
- wa_ctx_emit(batch, index, _MASKED_BIT_DISABLE(GEN9_SUBSLICE_TDL_ACK_BITS));
-
- wa_ctx_emit_reg(batch, index, GEN7_ROW_CHICKEN2);
- /* dummy write to CS, mask bits are 0 to ensure the register is not modified */
- wa_ctx_emit(batch, index, 0x0);
- wa_ctx_emit(batch, index, MI_NOOP);
- }
-
wa_ctx_emit(batch, index, MI_BATCH_BUFFER_END);
return wa_ctx_end(wa_ctx, *offset = index, 1);
--
2.11.0
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