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From: Gustavo Sousa <gustavo.sousa@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH] drm/i915/xelp: Add Wa_1806527549
Date: Wed, 19 Oct 2022 11:21:45 -0300	[thread overview]
Message-ID: <20221019142145.111024-1-gustavo.sousa@intel.com> (raw)

Workaround to be applied to platforms using XE_LP graphics.

BSpec: 52890
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt_regs.h     | 1 +
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 36d95b79022c..23844ba7e824 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -443,6 +443,7 @@
 #define HIZ_CHICKEN				_MMIO(0x7018)
 #define   CHV_HZ_8X8_MODE_IN_1X			REG_BIT(15)
 #define   DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE	REG_BIT(14)
+#define   HZ_DEPTH_TEST_LE_GE_OPT_DISABLE	REG_BIT(13)
 #define   BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE	REG_BIT(3)
 
 #define GEN8_L3CNTLREG				_MMIO(0x7034)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 63e1e6becf34..5cdec699ae04 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -660,6 +660,8 @@ static void gen12_ctx_gt_tuning_init(struct intel_engine_cs *engine,
 static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine,
 				       struct i915_wa_list *wal)
 {
+	struct drm_i915_private *i915 = engine->i915;
+
 	gen12_ctx_gt_tuning_init(engine, wal);
 
 	/*
@@ -693,6 +695,11 @@ static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine,
 	       FF_MODE2_GS_TIMER_MASK,
 	       FF_MODE2_GS_TIMER_224,
 	       0, false);
+
+	if (!IS_DG1(i915))
+		/* Wa_1806527549 */
+		wa_masked_en(wal, HIZ_CHICKEN, HZ_DEPTH_TEST_LE_GE_OPT_DISABLE);
+
 }
 
 static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine,
-- 
2.38.0


             reply	other threads:[~2022-10-19 14:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-19 14:21 Gustavo Sousa [this message]
2022-10-19 15:48 ` [Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/xelp: Add Wa_1806527549 Patchwork
2022-10-19 16:09 ` [Intel-gfx] [PATCH] " Gustavo Sousa
2022-10-21  4:03 ` Summers, Stuart
2022-10-21  5:28   ` Lucas De Marchi

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