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drm/i915: Drop WaIncreaseLatencyIPCEnabled/1140 for cnl 

Drop WaIncreaseLatencyIPCEnabled/Display w/a #1140 for
early cnl steppings.

v2: Drop the IS_GEN9_BC() change since other related
    parts of the code also use the KBL||CFL pattern

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190503173807.10834-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2019-05-03 20:38:06 +03:00
parent 25312ef136
commit 5a7d202b15
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/intel_pm.c
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@ -4786,8 +4786,7 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *cstate,
* WaIncreaseLatencyIPCEnabled: kbl,cfl
* Display WA #1141: kbl,cfl
*/
if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv) ||
IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0)) &&
if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) ||
dev_priv->ipc_enabled)
latency += 4;