[PATCH v4 13/19] drm/i915/bmg: BMG should re-use MTL's south display logic

[Balasubramani Vivekanandan]

From: Matt Roper <matthew.d.roper at intel.com>

Battlemage's south display is the same as Meteor Lake's, including the
need to invert the HPD pins, which Lunar Lake does not need.

Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane at intel.com>
---
 drivers/gpu/drm/i915/soc/intel_pch.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/soc/intel_pch.c b/drivers/gpu/drm/i915/soc/intel_pch.c
index 3cad6dac06b0..542eea50093c 100644
--- a/drivers/gpu/drm/i915/soc/intel_pch.c
+++ b/drivers/gpu/drm/i915/soc/intel_pch.c
@@ -218,10 +218,10 @@ void intel_detect_pch(struct drm_i915_private *dev_priv)
 	if (DISPLAY_VER(dev_priv) >= 20) {
 		dev_priv->pch_type = PCH_LNL;
 		return;
-	} else if (IS_METEORLAKE(dev_priv)) {
+	} else if (IS_BATTLEMAGE(dev_priv) || IS_METEORLAKE(dev_priv)) {
 		/*
 		 * Both north display and south display are on the SoC die.
-		 * The real PCH is uninvolved in display.
+		 * The real PCH (if it even exists) is uninvolved in display.
 		 */
 		dev_priv->pch_type = PCH_MTL;
 		return;
-- 
2.25.1