drm/xe: Add has_range_tlb_invalidation device attribute

This will help implementing range based TLB invalidations.

Signed-off-by: Matthew Brost <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>
Reviewed-by: Niranjana Vishwanathapura <[email protected]>

Author: mbrost05

drivers/gpu/drm/xe/xe_device_types.h

@@ -87,6 +87,8 @@ struct xe_device {
 		bool has_flat_ccs;
 		/** @has_4tile: Whether tile-4 tiling is supported */
 		bool has_4tile;
+		/** @has_range_tlb_invalidation: Has range based TLB invalidations */
+		bool has_range_tlb_invalidation;
 	} info;
 
 	/** @irq: device interrupt state */

drivers/gpu/drm/xe/xe_pci.c

@@ -70,6 +70,7 @@ struct xe_device_desc {
 	bool supports_usm;
 	bool has_flat_ccs;
 	bool has_4tile;
+	bool has_range_tlb_invalidation;
 };
 
 #define PLATFORM(x)		\
@@ -139,6 +140,7 @@ static const struct xe_device_desc dg1_desc = {
 	.require_force_probe = true, \
 	.graphics_ver = 12, \
 	.graphics_rel = 50, \
+	.has_range_tlb_invalidation = true, \
 	.has_flat_ccs = true, \
 	.dma_mask_size = 46, \
 	.max_tiles = 1, \
@@ -255,6 +257,7 @@ static const struct xe_device_desc mtl_desc = {
 	.max_tiles = 2,
 	.vm_max_level = 3,
 	.media_ver = 13,
+	.has_range_tlb_invalidation = true,
 	PLATFORM(XE_METEORLAKE),
 	.extra_gts = xelpmp_gts,
 	.platform_engine_mask = MTL_MAIN_ENGINES,
@@ -407,6 +410,7 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	xe->info.supports_usm = desc->supports_usm;
 	xe->info.has_flat_ccs = desc->has_flat_ccs;
 	xe->info.has_4tile = desc->has_4tile;
+	xe->info.has_range_tlb_invalidation = desc->has_range_tlb_invalidation;
 
 	spd = subplatform_get(xe, desc);
 	xe->info.subplatform = spd ? spd->subplatform : XE_SUBPLATFORM_NONE;