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* [Intel-gfx] [PATCH 1/2] drm/i915/dg2: Add workaround 18019627453
@ 2022-04-19 14:44 José Roberto de Souza
  2022-04-19 14:44 ` [Intel-gfx] [PATCH 2/2] drm/i915/display: Add workaround 22014263786 José Roberto de Souza
                   ` (4 more replies)
  0 siblings, 5 replies; 7+ messages in thread
From: José Roberto de Souza @ 2022-04-19 14:44 UTC (permalink / raw)
  To: intel-gfx

A new DG2 workaround added to some corner cases hangs.

BSpec: 54077
BSpec: 68173
BSpec: 71488
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt_regs.h     | 1 +
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 0a5c2648aaf07..10db058d9038c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -368,6 +368,7 @@
 #define   GEN9_FACTOR_IN_CLR_VAL_HIZ		(1 << 9)
 
 #define VFLSKPD					_MMIO(0x62a8)
+#define   VF_PREFETCH_TLB_DIS			REG_BIT(5)
 #define   DIS_OVER_FETCH_CACHE			REG_BIT(1)
 #define   DIS_MULT_MISS_RD_SQUASH		REG_BIT(0)
 
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 29c8cd0a81b6f..a1ba775bcb705 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -688,6 +688,9 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
 	if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_B0, STEP_FOREVER) ||
 		IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
 		wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000);
+
+	/* Wa_18019627453:dg2 */
+	wa_masked_en(wal, VFLSKPD, VF_PREFETCH_TLB_DIS);
 }
 
 static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,
-- 
2.35.3


^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2022-04-20  0:18 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-19 14:44 [Intel-gfx] [PATCH 1/2] drm/i915/dg2: Add workaround 18019627453 José Roberto de Souza
2022-04-19 14:44 ` [Intel-gfx] [PATCH 2/2] drm/i915/display: Add workaround 22014263786 José Roberto de Souza
2022-04-19 16:37   ` Matt Roper
2022-04-19 16:33 ` [Intel-gfx] [PATCH 1/2] drm/i915/dg2: Add workaround 18019627453 Matt Roper
2022-04-19 18:28 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [1/2] " Patchwork
2022-04-19 18:54 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-04-20  0:18 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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