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[0938/1094] drm/i915/chv: Implement WaDisablePartialInstShootdown:chv

Message ID 1413889294-31328-939-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal Oct. 21, 2014, 10:58 a.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit dd811e70caa068dd78e7113653d269e9bc3b80e5)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c |    4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b59e8ab..0ce4376 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5415,6 +5415,10 @@  static void cherryview_init_clock_gating(struct drm_device *dev)
 	I915_WRITE(DSPCLK_GATE_D, VRHUNIT_CLOCK_GATE_DISABLE);
 
 	I915_WRITE(MI_ARB_VLV, MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE);
+
+	/* WaDisablePartialInstShootdown:chv */
+	I915_WRITE(GEN8_ROW_CHICKEN,
+		   _MASKED_BIT_ENABLE(PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE));
 }
 
 static void g4x_init_clock_gating(struct drm_device *dev)