[Intel-gfx] [PATCH v2] drm/i915/tgl: Wa_14011059788

Matt Atwood matthew.s.atwood at intel.com
Wed Apr 15 19:35:35 UTC 2020


Reflect recent Bspec changes

v2: fix whitespace, typo

Signed-off-by: Matt Atwood <matthew.s.atwood at intel.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 b632b6bb9c3e..3d12a0617c84 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6854,6 +6854,10 @@ static void tgl_init_clock_gating(struct drm_i915_private *dev_priv)
 	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
 		I915_WRITE(GEN9_CLKGATE_DIS_3, I915_READ(GEN9_CLKGATE_DIS_3) |
 			   TGL_VRH_GATING_DIS);
+
+	/* Wa_14011059788:tgl */
+	intel_uncore_rmw(&dev_priv->uncore, GEN10_DFR_RATIO_EN_AND_CHICKEN,
+			 0, DFR_DISABLE);
 }
 
 static void cnp_init_clock_gating(struct drm_i915_private *dev_priv)
-- 
2.21.1



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