From: "Kumar, Mahesh" <mahesh1.ku...@intel.com>
CNL:A & CNL:B have same workaround as KBL to increase wm level latency
by 4us if IPC is enabled.
Signed-off-by: Mahesh Kumar <mahesh1.ku...@intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 231a7463868c..ad3b3d758d5c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4447,7 +4447,8 @@ static int skl_compute_plane_wm(const struct
drm_i915_private *dev_priv,
}
/* Display WA #1141: kbl,cfl */
- if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) &&
+ if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) ||
+ IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0)) &&
dev_priv->ipc_enabled)
latency += 4;
--
2.13.0
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