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path: root/drivers/gpu/drm/i915/intel_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ac8177032faf..1db9b8328275 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6121,6 +6121,11 @@ void intel_enable_ipc(struct drm_i915_private *dev_priv)
if (IS_SKYLAKE(dev_priv))
dev_priv->ipc_enabled = false;
+ /* Display WA #1141: SKL:all KBL:all CFL */
+ if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) &&
+ !dev_priv->dram_info.symmetric_memory)
+ dev_priv->ipc_enabled = false;
+
val = I915_READ(DISP_ARB_CTL2);
if (dev_priv->ipc_enabled)