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From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Intel-gfx@lists.freedesktop.org
Subject: [PATCH v3 2/2] drm/i915/icl: Add WaDisableBankHangMode
Date: Mon, 20 May 2019 12:04:42 +0100	[thread overview]
Message-ID: <20190520110442.403-2-tvrtko.ursulin@linux.intel.com> (raw)
In-Reply-To: <20190520110442.403-1-tvrtko.ursulin@linux.intel.com>

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Disable GPU hang by default on unrecoverable ECC cache errors.

v2:
 * Rebase.

v3:
 * Use intel_uncore_read. (Chris)

Fixes: cc38cae7c4e9 ("drm/i915/icl: Introduce initial Icelake Workarounds")
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 ++++++
 drivers/gpu/drm/i915/i915_reg.h             | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index a6a6477cf722..7675699f8406 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -529,6 +529,12 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine,
 {
 	struct drm_i915_private *i915 = engine->i915;
 
+	/* WaDisableBankHangMode:icl */
+	wa_write(wal,
+		 GEN8_L3CNTLREG,
+		 intel_uncore_read(engine->uncore, GEN8_L3CNTLREG) |
+		 GEN8_ERRDETBCTRL);
+
 	/* Wa_1604370585:icl (pre-prod)
 	 * Formerly known as WaPushConstantDereferenceHoldDisable
 	 */
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e97c47fca645..87e8780711d7 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7621,6 +7621,9 @@ enum {
   #define GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION		(1 << 8)
   #define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE			(1 << 0)
 
+#define GEN8_L3CNTLREG	_MMIO(0x7034)
+  #define GEN8_ERRDETBCTRL (1 << 9)
+
 #define GEN11_COMMON_SLICE_CHICKEN3		_MMIO(0x7304)
   #define GEN11_BLEND_EMB_FIX_DISABLE_IN_RCC	(1 << 11)
 
-- 
2.20.1

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  reply	other threads:[~2019-05-20 11:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20 11:04 [PATCH v3 1/2] drm/i915/selftests: Verify context workarounds Tvrtko Ursulin
2019-05-20 11:04 ` Tvrtko Ursulin [this message]
2019-05-20 14:25 ` [PATCH v4 " Tvrtko Ursulin
2019-05-20 15:43 ` ✓ Fi.CI.BAT: success for series starting with [v4,1/2] drm/i915/selftests: Verify context workarounds (rev2) Patchwork
2019-05-21 17:51 ` ✓ Fi.CI.BAT: success for series starting with [v4,1/2] drm/i915/selftests: Verify context workarounds (rev3) Patchwork
2019-05-22  9:15   ` Tvrtko Ursulin
2019-05-22 12:12 ` ✓ Fi.CI.IGT: " Patchwork

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