drm/xe/cri: Add CRI platform definition

Add platform definition and PCI IDs for Crescent Island.

Other platforms use INTEL_VGA_DEVICE since they have a
PCI_BASE_CLASS_DISPLAY class.  This is not the case for CRI, so just
match on devid, which should be sufficient.

Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Link: https://lore.kernel.org/r/20251021-cri-v1-1-bf11e61d9f49@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/xe_pci.c

@@ -400,6 +400,20 @@ static const struct xe_device_desc nvls_desc = {
 	.vm_max_level = 4,
 };
 
+static const struct xe_device_desc cri_desc = {
+	DGFX_FEATURES,
+	PLATFORM(CRESCENTISLAND),
+	.dma_mask_size = 52,
+	.has_display = false,
+	.has_flat_ccs = false,
+	.has_mbx_power_limits = true,
+	.has_sriov = true,
+	.max_gt_per_tile = 2,
+	.require_force_probe = true,
+	.va_bits = 57,
+	.vm_max_level = 4,
+};
+
 #undef PLATFORM
 __diag_pop();
 
@@ -427,6 +441,7 @@ static const struct pci_device_id pciidlist[] = {
 	INTEL_BMG_IDS(INTEL_VGA_DEVICE, &bmg_desc),
 	INTEL_PTL_IDS(INTEL_VGA_DEVICE, &ptl_desc),
 	INTEL_NVLS_IDS(INTEL_VGA_DEVICE, &nvls_desc),
+	INTEL_CRI_IDS(INTEL_PCI_DEVICE, &cri_desc),
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, pciidlist);

drivers/gpu/drm/xe/xe_platform_types.h

@@ -25,6 +25,7 @@ enum xe_platform {
 	XE_BATTLEMAGE,
 	XE_PANTHERLAKE,
 	XE_NOVALAKE_S,
+	XE_CRESCENTISLAND,
 };
 
 enum xe_subplatform {

include/drm/intel/pciids.h

@@ -893,4 +893,8 @@
 	MACRO__(0xD744, ## __VA_ARGS__), \
 	MACRO__(0xD745, ## __VA_ARGS__)
 
+/* CRI */
+#define INTEL_CRI_IDS(MACRO__, ...) \
+	MACRO__(0x674C, ## __VA_ARGS__)
+
 #endif /* __PCIIDS_H__ */