drm/i915/icl: Fix DC9 Suspend for ICL.

Add missing block that takes care of inline intel_suspend_complete
for DC9 on ICL.

Daniele noticed this was part of original patch but missed on
on merged commit ("drm/i915/icl: Enable DC9 as lowest possible
 state during screen-off").

Fixes: 3e68928b7d4c ("drm/i915/icl: Enable DC9 as lowest possible state during screen-off")
Cc: Imre Deak <imre.deak@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Animesh Manna <animesh.manna@intel.com>
Cc: James Ausmus <james.ausmus@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[Rodrigo added a commit message while merging]
Link: https://patchwork.freedesktop.org/patch/msgid/20181031202726.4021-1-anusha.srivatsa@intel.com

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 198d625..acb5163 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1962,7 +1962,7 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
                                    get_suspend_mode(dev_priv, hibernation));
 
        ret = 0;
-       if (IS_GEN9_LP(dev_priv))
+       if (INTEL_GEN(dev_priv) >= 11 || IS_GEN9_LP(dev_priv))
                bxt_enable_dc9(dev_priv);
        else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
                hsw_enable_pc8(dev_priv);