drm/i915/dgfx: DGFX uses direct VBT pin mapping

DDC pin mapping for DGFX cards uses direct VBT pin mapping

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231128190329.1335562-1-lucas.demarchi@intel.comSigned-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/i915/display/intel_bios.c

@@ -2201,6 +2201,9 @@ static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin)
 	const u8 *ddc_pin_map;
 	int i, n_entries;
 
+	if (IS_DGFX(i915))
+		return vbt_pin;
+
 	if (INTEL_PCH_TYPE(i915) >= PCH_LNL || HAS_PCH_MTP(i915) ||
 	    IS_ALDERLAKE_P(i915)) {
 		ddc_pin_map = adlp_ddc_pin_map;
@@ -2208,8 +2211,6 @@ static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin)
 	} else if (IS_ALDERLAKE_S(i915)) {
 		ddc_pin_map = adls_ddc_pin_map;
 		n_entries = ARRAY_SIZE(adls_ddc_pin_map);
-	} else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) {
-		return vbt_pin;
 	} else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) {
 		ddc_pin_map = rkl_pch_tgp_ddc_pin_map;
 		n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map);