From: Hoath, Nicholas <nicholas.hoath@intel.com>
Date: Thu, 5 Feb 2015 10:47:18 +0000 (+0000)
Subject: drm/i915/gen9: Implement WaDisablePartialInstShootdown
X-Git-Tag: v4.1-rc1~69^2~35^2~68
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ab0dfafefd85b0abf61f0efad769803bee8e49fb;p=karo-tx-linux.git

drm/i915/gen9: Implement WaDisablePartialInstShootdown

v2: Dont add WaDisableThreadStallDopClockGating as not SKL WA. (Found
by Damien Lespiau)

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Bikeshed commit message a bit as per Damien's suggestions.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index fbfe65ac590b..b869f1c68753 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -875,6 +875,13 @@ static int chv_init_workarounds(struct intel_engine_cs *ring)
 
 static int gen9_init_workarounds(struct intel_engine_cs *ring)
 {
+	struct drm_device *dev = ring->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	/* WaDisablePartialInstShootdown:skl */
+	WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
+			  PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
+
 	return 0;
 }