LNL's south display uses the same table as MTP. Check for LNL's fake PCH
to make it consistent with the other checks.

The VBT table doesn't contain the VBT -> spec mapping for LNL. Like in
other cases, uses the same as the previous platform.

Bspec: 68971, 20124
Cc: Anusha Srivatsa <anusha.sriva...@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_bios.c  | 2 +-
 drivers/gpu/drm/i915/display/intel_gmbus.c | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c 
b/drivers/gpu/drm/i915/display/intel_bios.c
index 097c1f23d3ae..3772b91e155c 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2195,7 +2195,7 @@ static u8 map_ddc_pin(struct drm_i915_private *i915, u8 
vbt_pin)
        const u8 *ddc_pin_map;
        int i, n_entries;
 
-       if (HAS_PCH_MTP(i915) || IS_ALDERLAKE_P(i915)) {
+       if (HAS_PCH_MTP(i915) || IS_ALDERLAKE_P(i915) || IS_LUNARLAKE(i915)) {
                ddc_pin_map = adlp_ddc_pin_map;
                n_entries = ARRAY_SIZE(adlp_ddc_pin_map);
        } else if (IS_ALDERLAKE_S(i915)) {
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c 
b/drivers/gpu/drm/i915/display/intel_gmbus.c
index e95ddb580ef6..801fabbccf7e 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -155,7 +155,10 @@ static const struct gmbus_pin *get_gmbus_pin(struct 
drm_i915_private *i915,
        const struct gmbus_pin *pins;
        size_t size;
 
-       if (INTEL_PCH_TYPE(i915) >= PCH_DG2) {
+       if (INTEL_PCH_TYPE(i915) >= PCH_LNL) {
+               pins = gmbus_pins_mtp;
+               size = ARRAY_SIZE(gmbus_pins_mtp);
+       } else if (INTEL_PCH_TYPE(i915) >= PCH_DG2) {
                pins = gmbus_pins_dg2;
                size = ARRAY_SIZE(gmbus_pins_dg2);
        } else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) {
-- 
2.40.1

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