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From: Oscar Mateo <oscar.mateo@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 06/22] drm/i915/icl: WaDisableCleanEvicts
Date: Fri, 13 Apr 2018 09:00:49 -0700	[thread overview]
Message-ID: <1523635265-9287-6-git-send-email-oscar.mateo@intel.com> (raw)
In-Reply-To: <1523635265-9287-1-git-send-email-oscar.mateo@intel.com>

Avoids an undefined LLC behavior.

BSpec: 9613

v2: Renamed to Wa_1405733216
v3: Spaces around '<<' and fix surrounding code
v4: Rebased on top of the WA refactoring

Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h          | 5 +++--
 drivers/gpu/drm/i915/intel_workarounds.c | 6 ++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fe35785..fea85ac 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7197,8 +7197,9 @@ enum {
 #define  L3SQ_URB_READ_CAM_MATCH_DISABLE	(1<<27)
 
 #define GEN8_L3SQCREG4				_MMIO(0xb118)
-#define  GEN8_LQSC_RO_PERF_DIS			(1<<27)
-#define  GEN8_LQSC_FLUSH_COHERENT_LINES		(1<<21)
+#define  GEN11_LQSC_CLEAN_EVICT_DISABLE		(1 << 6)
+#define  GEN8_LQSC_RO_PERF_DIS			(1 << 27)
+#define  GEN8_LQSC_FLUSH_COHERENT_LINES		(1 << 21)
 
 /* GEN8 chicken */
 #define HDC_CHICKEN0				_MMIO(0x7300)
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index d7b2b07..f9c6174 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -726,6 +726,12 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv)
 	I915_WRITE(GEN11_GACB_PERF_CTRL,
 		   ((I915_READ(GEN11_GACB_PERF_CTRL) & ~GEN11_HASH_CTRL_MASK) |
 		    GEN11_HASH_CTRL_BIT0 | GEN11_HASH_CTRL_BIT4));
+
+	/* Wa_1405733216:icl
+	 * Formerly known as WaDisableCleanEvicts
+	 */
+	I915_WRITE(GEN8_L3SQCREG4, (I915_READ(GEN8_L3SQCREG4) |
+				    GEN11_LQSC_CLEAN_EVICT_DISABLE));
 }
 
 void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv)
-- 
1.9.1

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  parent reply	other threads:[~2018-04-13 16:01 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-13 16:00 [PATCH 01/22] drm/i915/icl: Introduce initial Icelake Workarounds Oscar Mateo
2018-04-13 16:00 ` [PATCH 02/22] drm/i915/icl: Enable Sampler DFR Oscar Mateo
2018-04-20  7:26   ` Sagar Arun Kamble
2018-04-13 16:00 ` [PATCH 03/22] drm/i915/icl: WaGAPZPriorityScheme Oscar Mateo
2018-04-13 16:00 ` [PATCH 04/22] drm/i915/icl: WaL3BankAddressHashing Oscar Mateo
2018-04-13 16:00 ` [PATCH 05/22] drm/i915/icl: WaModifyGamTlbPartitioning Oscar Mateo
2018-04-13 16:00 ` Oscar Mateo [this message]
2018-04-13 16:00 ` [PATCH 07/22] drm/i915/icl: WaCL2SFHalfMaxAlloc Oscar Mateo
2018-04-13 16:00 ` [PATCH 08/22] drm/i915/icl: WaDisCtxReload Oscar Mateo
2018-04-13 16:00 ` [PATCH 09/22] drm/i915/icl: Wa_1405779004 Oscar Mateo
2018-04-13 16:00 ` [PATCH 10/22] drm/i915/icl: Wa_1406680159 and Wa_2201832410 Oscar Mateo
2018-04-13 16:00 ` [PATCH 11/22] drm/i915/icl: Wa_1604302699 Oscar Mateo
2018-04-13 16:00 ` [PATCH 12/22] drm/i915/icl: Wa_1406838659 Oscar Mateo
2018-04-13 16:00 ` [PATCH 13/22] drm/i915/icl: WaForwardProgressSoftReset Oscar Mateo
2018-04-13 16:00 ` [PATCH 14/22] drm/i915/icl: WaDisableImprovedTdlClkGating Oscar Mateo
2018-04-13 16:00 ` [PATCH 15/22] drm/i915/icl: WaEnableStateCacheRedirectToCS Oscar Mateo
2018-04-13 16:00 ` [PATCH 16/22] drm/i915/icl: Wa_2006665173 Oscar Mateo
2018-04-13 16:01 ` [PATCH 17/22] drm/i915/icl: WaEnableFloatBlendOptimization Oscar Mateo
2018-04-13 16:01 ` [PATCH 18/22] drm/i915/icl: WaSendPushConstantsFromMMIO Oscar Mateo
2018-04-13 16:01 ` [PATCH 19/22] drm/i915/icl: WaAllowUMDToModifyHalfSliceChicken2 Oscar Mateo
2018-04-13 16:01 ` [PATCH 20/22] drm/i915/icl: WaAllowUMDToModifyHalfSliceChicken7 Oscar Mateo
2018-04-13 16:01 ` [PATCH 21/22] drm/i915/icl: WaAllowUmdWriteTRTTRootTable Oscar Mateo
2018-04-13 16:01 ` [PATCH 22/22] drm/i915/icl: WaAllowUMDToModifySamplerMode Oscar Mateo
2018-04-13 16:19 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/22] drm/i915/icl: Introduce initial Icelake Workarounds Patchwork
2018-04-13 16:34 ` ✓ Fi.CI.BAT: success " Patchwork
2018-04-13 20:11 ` ✓ Fi.CI.IGT: " Patchwork
2018-04-20 20:33 [PATCH v4 00/22] Workarounds for Icelake Oscar Mateo
2018-04-20 20:33 ` [PATCH 06/22] drm/i915/icl: WaDisableCleanEvicts Oscar Mateo
2018-05-02 20:33 [PATCH v2 00/22] Workarounds for Icelake Oscar Mateo
2018-05-02 20:34 ` [PATCH 06/22] drm/i915/icl: WaDisableCleanEvicts Oscar Mateo
2018-05-04 13:28   ` Mika Kuoppala
2018-05-08 21:29 [PATCH v3 00/22] Workarounds for Icelake Oscar Mateo
2018-05-08 21:29 ` [PATCH 06/22] drm/i915/icl: WaDisableCleanEvicts Oscar Mateo

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