1 files changed, 62 insertions, 32 deletions

diff --git a/drivers/gpu/drm/xe/xe_tile.c b/drivers/gpu/drm/xe/xe_tile.c
index 07cf7cfe4abd..4f4f9a5c43af 100644
--- a/drivers/gpu/drm/xe/xe_tile.c
+++ b/drivers/gpu/drm/xe/xe_tile.c
@@ -7,15 +7,20 @@
 
 #include <drm/drm_managed.h>
 
+#include "xe_bo.h"
 #include "xe_device.h"
 #include "xe_ggtt.h"
 #include "xe_gt.h"
+#include "xe_memirq.h"
 #include "xe_migrate.h"
 #include "xe_pcode.h"
 #include "xe_sa.h"
+#include "xe_svm.h"
 #include "xe_tile.h"
 #include "xe_tile_sysfs.h"
 #include "xe_ttm_vram_mgr.h"
+#include "xe_vram.h"
+#include "xe_vram_types.h"
 #include "xe_wa.h"
 
 /**
@@ -86,17 +91,46 @@
  */
 static int xe_tile_alloc(struct xe_tile *tile)
 {
-	struct drm_device *drm = &tile_to_xe(tile)->drm;
-
-	tile->mem.ggtt = drmm_kzalloc(drm, sizeof(*tile->mem.ggtt),
-				      GFP_KERNEL);
+	tile->mem.ggtt = xe_ggtt_alloc(tile);
 	if (!tile->mem.ggtt)
 		return -ENOMEM;
-	tile->mem.ggtt->tile = tile;
 
-	tile->mem.vram_mgr = drmm_kzalloc(drm, sizeof(*tile->mem.vram_mgr), GFP_KERNEL);
-	if (!tile->mem.vram_mgr)
+	tile->migrate = xe_migrate_alloc(tile);
+	if (!tile->migrate)
+		return -ENOMEM;
+
+	return 0;
+}
+
+/**
+ * xe_tile_alloc_vram - Perform per-tile VRAM structs allocation
+ * @tile: Tile to perform allocations for
+ *
+ * Allocates VRAM per-tile data structures using DRM-managed allocations.
+ * Does not touch the hardware.
+ *
+ * Returns -ENOMEM if allocations fail, otherwise 0.
+ */
+int xe_tile_alloc_vram(struct xe_tile *tile)
+{
+	struct xe_device *xe = tile_to_xe(tile);
+	struct xe_vram_region *vram;
+
+	if (!IS_DGFX(xe))
+		return 0;
+
+	vram = xe_vram_region_alloc(xe, tile->id, XE_PL_VRAM0 + tile->id);
+	if (!vram)
 		return -ENOMEM;
+	tile->mem.vram = vram;
+
+	/*
+	 * If the kernel_vram is not already allocated,
+	 * it means that tile has common VRAM region for
+	 * kernel and user space.
+	 */
+	if (!tile->mem.kernel_vram)
+		tile->mem.kernel_vram = tile->mem.vram;
 
 	return 0;
 }
@@ -123,31 +157,12 @@ int xe_tile_init_early(struct xe_tile *tile, struct xe_device *xe, u8 id)
 	if (err)
 		return err;
 
-	tile->primary_gt = xe_gt_alloc(tile);
-	if (IS_ERR(tile->primary_gt))
-		return PTR_ERR(tile->primary_gt);
-
 	xe_pcode_init(tile);
 
 	return 0;
 }
 ALLOW_ERROR_INJECTION(xe_tile_init_early, ERRNO); /* See xe_pci_probe() */
 
-static int tile_ttm_mgr_init(struct xe_tile *tile)
-{
-	struct xe_device *xe = tile_to_xe(tile);
-	int err;
-
-	if (tile->mem.vram.usable_size) {
-		err = xe_ttm_vram_mgr_init(tile, tile->mem.vram_mgr);
-		if (err)
-			return err;
-		xe->info.mem_region_mask |= BIT(tile->id) << 1;
-	}
-
-	return 0;
-}
-
 /**
  * xe_tile_init_noalloc - Init tile up to the point where allocations can happen.
  * @tile: The tile to initialize.
@@ -164,9 +179,29 @@ static int tile_ttm_mgr_init(struct xe_tile *tile)
  */
 int xe_tile_init_noalloc(struct xe_tile *tile)
 {
+	struct xe_device *xe = tile_to_xe(tile);
+
+	xe_wa_apply_tile_workarounds(tile);
+
+	if (xe->info.has_usm && IS_DGFX(xe))
+		xe_devm_add(tile, tile->mem.vram);
+
+	if (IS_DGFX(xe) && !ttm_resource_manager_used(&tile->mem.vram->ttm.manager)) {
+		int err = xe_ttm_vram_mgr_init(xe, tile->mem.vram);
+
+		if (err)
+			return err;
+		xe->info.mem_region_mask |= BIT(tile->mem.vram->id) << 1;
+	}
+
+	return xe_tile_sysfs_init(tile);
+}
+
+int xe_tile_init(struct xe_tile *tile)
+{
 	int err;
 
-	err = tile_ttm_mgr_init(tile);
+	err = xe_memirq_init(&tile->memirq);
 	if (err)
 		return err;
 
@@ -174,13 +209,8 @@ int xe_tile_init_noalloc(struct xe_tile *tile)
 	if (IS_ERR(tile->mem.kernel_bb_pool))
 		return PTR_ERR(tile->mem.kernel_bb_pool);
 
-	xe_wa_apply_tile_workarounds(tile);
-
-	err = xe_tile_sysfs_init(tile);
-
 	return 0;
 }
-
 void xe_tile_migrate_wait(struct xe_tile *tile)
 {
 	xe_migrate_wait(tile->migrate);