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* [Intel-gfx] [PATCH] drm/i915/dg2: Add Wa_22014226127
@ 2022-03-25 14:22 José Roberto de Souza
  2022-03-25 14:32 ` Matt Roper
                   ` (16 more replies)
  0 siblings, 17 replies; 18+ messages in thread
From: José Roberto de Souza @ 2022-03-25 14:22 UTC (permalink / raw)
  To: intel-gfx

New DG2 workaround added to specification.

BSpec: 54077
BSpec: 66622
BSpec: 54833
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 | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 62e0f075b1de7..17432b075d970 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -1088,6 +1088,7 @@
 #define EU_PERF_CNTL3				_MMIO(0xe758)
 
 #define LSC_CHICKEN_BIT_0			_MMIO(0xe7c8)
+#define   DISABLE_D8_D16_COASLESCE		REG_BIT(30)
 #define   FORCE_1_SUB_MESSAGE_PER_FRAGMENT	REG_BIT(15)
 #define LSC_CHICKEN_BIT_0_UDW			_MMIO(0xe7c8 + 4)
 #define   DIS_CHAIN_2XSIMD8			REG_BIT(55 - 32)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index dc0ffff6f655a..29c8cd0a81b6f 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -2624,6 +2624,11 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li
 		wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS |
 				GLOBAL_INVALIDATION_MODE);
 	}
+
+	if (IS_DG2(i915)) {
+		/* Wa_22014226127:dg2 */
+		wa_write_or(wal, LSC_CHICKEN_BIT_0, DISABLE_D8_D16_COASLESCE);
+	}
 }
 
 static void
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 18+ messages in thread

end of thread, other threads:[~2022-03-29 23:16 UTC | newest]

Thread overview: 18+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-03-25 14:22 [Intel-gfx] [PATCH] drm/i915/dg2: Add Wa_22014226127 José Roberto de Souza
2022-03-25 14:32 ` Matt Roper
2022-03-25 14:45 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for " Patchwork
2022-03-25 15:06 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-03-25 15:43 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915/dg2: Add Wa_22014226127 (rev2) Patchwork
2022-03-25 16:04 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-03-28 21:28 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915/dg2: Add Wa_22014226127 (rev3) Patchwork
2022-03-28 21:49 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-03-29 16:42 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915/dg2: Add Wa_22014226127 (rev4) Patchwork
2022-03-29 17:18 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2022-03-29 19:01 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915/dg2: Add Wa_22014226127 (rev5) Patchwork
2022-03-29 19:14 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/dg2: Add Wa_22014226127 Patchwork
2022-03-29 19:38 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/dg2: Add Wa_22014226127 (rev5) Patchwork
2022-03-29 19:51 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/dg2: Add Wa_22014226127 Patchwork
2022-03-29 20:51 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/dg2: Add Wa_22014226127 (rev5) Patchwork
2022-03-29 21:36 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915/dg2: Add Wa_22014226127 (rev6) Patchwork
2022-03-29 22:04 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-03-29 23:16 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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