drm/i915/display/bmg: Add platform descriptor

Platform descriptor defined and PCI IDs added for Battlemage.
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240604140021.1357502-1-balasubramani.vivekanandan@intel.com

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

@@ -1110,6 +1110,10 @@ static const struct platform_desc lnl_desc = {
 	PLATFORM(LUNARLAKE),
 };
 
+static const struct platform_desc bmg_desc = {
+	PLATFORM(BATTLEMAGE),
+};
+
 __diag_pop();
 
 /*
@@ -1178,6 +1182,7 @@ static const struct {
 	INTEL_DG2_IDS(INTEL_DISPLAY_DEVICE, &dg2_desc),
 	INTEL_MTL_IDS(INTEL_DISPLAY_DEVICE, &mtl_desc),
 	INTEL_LNL_IDS(INTEL_DISPLAY_DEVICE, &lnl_desc),
+	INTEL_BMG_IDS(INTEL_DISPLAY_DEVICE, &bmg_desc),
 };
 
 static const struct {

drivers/gpu/drm/i915/display/intel_display_device.h

@@ -68,6 +68,8 @@ enum intel_display_platform {
 	INTEL_DISPLAY_METEORLAKE,
 	/* Display ver 20 (based on GMD ID) */
 	INTEL_DISPLAY_LUNARLAKE,
+	/* Display ver 14.1 (based on GMD ID) */
+	INTEL_DISPLAY_BATTLEMAGE,
 };
 
 enum intel_display_subplatform {

include/drm/intel/i915_pciids.h

@@ -789,4 +789,12 @@
 	MACRO__(0x64A0, ## __VA_ARGS__), \
 	MACRO__(0x64B0, ## __VA_ARGS__)
 
+/* BMG */
+#define INTEL_BMG_IDS(MACRO__, ...) \
+	MACRO__(0xE202, ## __VA_ARGS__), \
+	MACRO__(0xE20B, ## __VA_ARGS__), \
+	MACRO__(0xE20C, ## __VA_ARGS__), \
+	MACRO__(0xE20D, ## __VA_ARGS__), \
+	MACRO__(0xE212, ## __VA_ARGS__)
+
 #endif /* _I915_PCIIDS_H */