drm/xe/lnl: Add LNL platform definition

LNL is an integrated GPU based on the Xe2 architecture.

Bspec: 70821
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_pci.c

@@ -319,6 +319,11 @@ static const struct xe_device_desc mtl_desc = {
 	PLATFORM(XE_METEORLAKE),
 };
 
+static const struct xe_device_desc lnl_desc = {
+	PLATFORM(XE_LUNARLAKE),
+	.require_force_probe = true,
+};
+
 #undef PLATFORM
 
 /* Map of GMD_ID values to graphics IP */
@@ -356,6 +361,7 @@ static const struct pci_device_id pciidlist[] = {
 	XE_ATS_M_IDS(INTEL_VGA_DEVICE, &ats_m_desc),
 	XE_DG2_IDS(INTEL_VGA_DEVICE, &dg2_desc),
 	XE_MTL_IDS(INTEL_VGA_DEVICE, &mtl_desc),
+	XE_LNL_IDS(INTEL_VGA_DEVICE, &lnl_desc),
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, pciidlist);

drivers/gpu/drm/xe/xe_platform_types.h

@@ -21,6 +21,7 @@ enum xe_platform {
 	XE_DG2,
 	XE_PVC,
 	XE_METEORLAKE,
+	XE_LUNARLAKE,
 };
 
 enum xe_subplatform {

include/drm/xe_pciids.h

@@ -191,4 +191,9 @@
 	XE_MTL_S_IDS(MACRO__, ## __VA_ARGS__),	\
 	XE_ARL_IDS(MACRO__, ## __VA_ARGS__)
 
+#define XE_LNL_IDS(MACRO__, ...) \
+	MACRO__(0x6420, ## __VA_ARGS__), \
+	MACRO__(0x64A0, ## __VA_ARGS__), \
+	MACRO__(0x64B0, ## __VA_ARGS__)
+
 #endif