[Intel-gfx] [PATCH 5/8] drm/i915/tgl: Extend Wa_1606931601 for all steppings

[José Roberto de Souza]

From: Anusha Srivatsa <anusha.srivatsa at intel.com>

According to BSpec. Wa_1606931601 applies for all
TGL steppings.This patch moves the WA implementation
out of A0 only block of rcs_engine_wa_init().

The WA is has also been referred to by an alternate name
Wa_1607090982.

Bspec: 46045, 52890

Fixes: 3873fd1a43c7 ("drm/i915: Use engine wa list for Wa_1607090982")
Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index e9619c493e6a..978a5b051ce9 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1365,11 +1365,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			    GEN7_FF_THREAD_MODE,
 			    GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
 
-		/* Wa_1606931601:tgl */
-		wa_masked_en(wal,
-			     GEN7_ROW_CHICKEN2,
-			     GEN12_DISABLE_EARLY_READ);
-
 		/*
 		 * Wa_1409085225:tgl
 		 * Wa_14010229206:tgl
@@ -1378,6 +1373,9 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 	}
 
 	if (IS_TIGERLAKE(i915)) {
+		/* Wa_1606931601:tgl */
+		wa_masked_en(wal, GEN7_ROW_CHICKEN2, GEN12_DISABLE_EARLY_READ);
+
 		/* Wa_1409804808:tgl */
 		wa_masked_en(wal, GEN7_ROW_CHICKEN2,
 			     GEN12_PUSH_CONSTANT_DEREFERENCE_HOLD_DISABLE);
-- 
2.25.1