[PATCH 04/12] drm/i915/gen9: Merge HALF_SLICE_CHICKEN3 WA

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Merge WaDisableSamplerPowerBypassForSOPingPong and another WA which has no name
as they are part of same register. This will save an entry in WA array.

Signed-off-by: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ad16ef4..963b3ca 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -914,9 +914,14 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
 	WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
 			  PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
 
-	/* Syncing dependencies between camera and graphics:skl,bxt */
-	WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
-			  GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
+	/* WA: Syncing dependencies between camera and graphics:skl,bxt */
+	/* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt */
+	tmp = GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC;
+	if (IS_SKYLAKE(dev) ||
+	    (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_B0)) {
+		tmp |= GEN8_SAMPLER_POWER_BYPASS_DIS;
+	}
+	WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, tmp);
 
 	if ((IS_SKYLAKE(dev) && (INTEL_REVID(dev) == SKL_REVID_A0 ||
 	    INTEL_REVID(dev) == SKL_REVID_B0)) ||
@@ -967,13 +972,6 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
 		tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE;
 	WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp);
 
-	/* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt */
-	if (IS_SKYLAKE(dev) ||
-	    (IS_BROXTON(dev) && INTEL_REVID(dev) <= BXT_REVID_B0)) {
-		WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
-				  GEN8_SAMPLER_POWER_BYPASS_DIS);
-	}
-
 	/* WaDisableSTUnitPowerOptimization:skl,bxt */
 	WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN2, GEN8_ST_PO_DISABLE);
 
-- 
1.9.1

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