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From: Chia-I Wu <olvaffe@gmail.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 2/2] drm/i915: enable HiZ Raw Stall Optimization on IVB
Date: Tue, 28 Jan 2014 13:29:34 +0800	[thread overview]
Message-ID: <1390886974-2530-2-git-send-email-olvaffe@gmail.com> (raw)
In-Reply-To: <1390886974-2530-1-git-send-email-olvaffe@gmail.com>

From: Chia-I Wu <olv@lunarg.com>

The optimization helps IVB too.  No piglit regression.

Signed-off-by: Chia-I Wu <olv@lunarg.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c535e5c..58aba3e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4881,6 +4881,10 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
 	/* WaVSRefCountFullforceMissDisable:ivb */
 	gen7_setup_fixed_func_scheduler(dev_priv);
 
+	/* enable HiZ Raw Stall Optimization */
+	I915_WRITE(CACHE_MODE_0_GEN7,
+		   _MASKED_BIT_DISABLE(HIZ_RAW_STALL_OPT_DISABLE));
+
 	/* WaDisable4x2SubspanOptimization:ivb */
 	I915_WRITE(CACHE_MODE_1,
 		   _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE));
-- 
1.8.3.1

  reply	other threads:[~2014-01-28  5:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-27  8:18 [PATCH] drm/i915: enable HiZ Raw Stall Optimization Chia-I Wu
2014-01-27  8:33 ` Chia-I Wu
2014-01-27  9:04   ` Daniel Vetter
2014-01-27 13:07 ` Ville Syrjälä
2014-01-27 16:22   ` Daniel Vetter
2014-01-28  4:40   ` Chia-I Wu
2014-01-28  5:29 ` [PATCH 1/2] drm/i915: enable HiZ Raw Stall Optimization on HSW Chia-I Wu
2014-01-28  5:29   ` Chia-I Wu [this message]
2014-01-29 17:56   ` Daniel Vetter
2014-01-30  2:23     ` Matt Turner
2014-01-30 12:10       ` Daniel Vetter
2014-01-30 12:40         ` Ville Syrjälä

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