drm/i915/tgl: Wa_14011059788

Reflect recent Bspec changes

v2: fix whitespace, typo

Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Radhakrishna Sripada <Radhakrishna.sripada@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200415193535.14597-1-matthew.s.atwood@intel.com

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 6f40bfee730466995609381adf1c7c022de03228..bfb180fe8047cbdad2a5ddc818d803fef61d04fc 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6880,6 +6880,10 @@ 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)