From 288463711ead8b2722166d9ee3ad03faf10b0876 Mon Sep 17 00:00:00 2001
From: Anusha Srivatsa <anusha.srivatsa@intel.com>
Date: Thu, 27 Feb 2020 14:00:54 -0800
Subject: drm/i915/tgl: Extend Wa_1606931601 for all steppings
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Git-commit: f2097beed59e8811c218222b17d2b3bfd5ce2110
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
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@linux.intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200227220101.321671-4-jose.souza@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 d9bc26673b41..c65f96ce5ec1 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1360,11 +1360,6 @@ 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
@@ -1373,6 +1368,9 @@ 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_CONST_DEREF_HOLD_DIS);
--
2.28.0