From 834fc2a478dd216c16ee59922126a61d0d74da2d Mon Sep 17 00:00:00 2001
From: Matt Roper <matthew.d.roper@intel.com>
Date: Wed, 11 Mar 2020 09:22:58 -0700
Subject: drm/i915: Add Wa_1406306137:icl,ehl
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Git-commit: 14f49be483b57911f1b9733d1ea2f4d920968418
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
v2:
- Move to context workarounds. ROW_CHICKEN4 is part of the context
image on gen11 (although it isn't on gen12).
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311162300.1838847-5-matthew.d.roper@intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +++
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 3bbd89294279..2318b55b9722 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -581,6 +581,9 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
wa_write_masked_or(wal, IVB_FBC_RT_BASE_UPPER,
0, /* write-only register; skip validation */
0xFFFFFFFF);
+
+ /* Wa_1406306137:icl,ehl */
+ wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN11_DIS_PICK_2ND_EU);
}
static void tgl_ctx_workarounds_init(struct intel_engine_cs *engine,
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b6b52b735120..309cb7d96b35 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9151,6 +9151,7 @@ enum {
#define GEN9_ROW_CHICKEN4 _MMIO(0xe48c)
#define GEN12_DISABLE_TDL_PUSH REG_BIT(9)
+#define GEN11_DIS_PICK_2ND_EU REG_BIT(7)
#define HSW_ROW_CHICKEN3 _MMIO(0xe49c)
#define HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE (1 << 6)
--
2.28.0