From: Tvrtko Ursulin <tvrtko.ursu...@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.ursu...@intel.com>
Acked-by: Chris Wilson <ch...@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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