drm/i915: Use IS_GEN9_LP() for the linetime w/a check

IS_GLK||IS_BXT == IS_GEN9_LP

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181221171436.8218-10-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1d1c569..53b7061 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4826,9 +4826,8 @@ skl_compute_linetime_wm(const struct intel_crtc_state *cstate)
        linetime_us = intel_get_linetime_us(cstate);
        linetime_wm = fixed16_to_u32_round_up(mul_u32_fixed16(8, linetime_us));
 
-       /* Display WA #1135: bxt:ALL GLK:ALL */
-       if ((IS_BROXTON(dev_priv) || IS_GEMINILAKE(dev_priv)) &&
-           dev_priv->ipc_enabled)
+       /* Display WA #1135: BXT:ALL GLK:ALL */
+       if (IS_GEN9_LP(dev_priv) && dev_priv->ipc_enabled)
                linetime_wm /= 2;
 
        return linetime_wm;