[Intel-gfx] [PATCH v2 27/50] drm/i915/adl_p: Handle TC cold

[Matt Roper]

From: José Roberto de Souza <jose.souza at intel.com>

On ADL-P TC cold is exited and blocked when legacy aux is powered,
that is exacly the same of what ICL need for static TC ports.

TODO: When a TBT hub or monitor is connected it will cause TBT and
legacy aux to be powered at the same time, hopefully this will not
cause any issues but if it do, some rework will be needed.

BSpec: 55480
Cc: Imre Deak <imre.deak at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 20cfb86c0174..3e407d0bf363 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -550,7 +550,8 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
 	if (drm_WARN_ON(&dev_priv->drm, !dig_port))
 		return;
 
-	if (IS_DISPLAY_VER(dev_priv, 11) && dig_port->tc_legacy_port)
+	if (IS_ALDERLAKE_P(dev_priv) ||
+	   (IS_DISPLAY_VER(dev_priv, 11) && dig_port->tc_legacy_port))
 		return;
 
 	drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port));
-- 
2.25.4