From: Ben Widawsky <ben@bwidawsk.net>
To: intel-gfx@lists.freedesktop.org
Cc: Ben Widawsky <ben@bwidawsk.net>
Subject: [PATCH] drm/i915: Implement WaVSRefCountFullforceMissDisable
Date: Sat, 26 Jan 2013 11:52:00 -0800 [thread overview]
Message-ID: <1359229920-7292-1-git-send-email-ben@bwidawsk.net> (raw)
Implements WaVSRefCountFullforceMissDisable as documented in the BSpec
3D workarounds chapter.
Cc: Paulo Zanoni <przanoni@gmail.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_reg.h | 1 +
drivers/gpu/drm/i915/intel_pm.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a18218c..0c89cf5 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -741,6 +741,7 @@
#define GEN7_FF_TS_SCHED_HS0 (0x3<<16)
#define GEN7_FF_TS_SCHED_LOAD_BALANCE (0x1<<16)
#define GEN7_FF_TS_SCHED_HW (0x0<<16) /* Default */
+#define GEN7_FF_VS_REF_CNT_FFME (1 << 15)
#define GEN7_FF_VS_SCHED_HS1 (0x5<<12)
#define GEN7_FF_VS_SCHED_HS0 (0x3<<12)
#define GEN7_FF_VS_SCHED_LOAD_BALANCE (0x1<<12) /* Default */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index c97714e..64d65f5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3680,6 +3680,10 @@ static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv)
reg |= GEN7_FF_VS_SCHED_HW;
reg |= GEN7_FF_DS_SCHED_HW;
+ /* WaVSRefCountFullforceMissDisable */
+ if (IS_HASWELL(dev_priv->dev))
+ reg &= ~GEN7_FF_VS_REF_CNT_FFME;
+
I915_WRITE(GEN7_FF_THREAD_MODE, reg);
}
--
1.8.1.1
next reply other threads:[~2013-01-26 19:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-26 19:52 Ben Widawsky [this message]
2013-01-28 13:42 ` [PATCH] drm/i915: Implement WaVSRefCountFullforceMissDisable Ville Syrjälä
2013-01-28 15:51 ` Daniel Vetter
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