drm/i915: Rename INTEL_REGION_LMEM with INTEL_REGION_LMEM_0

With the upcoming multitile support each tile will have its own
local memory. Mark the current LMEM with the suffix '0' to
emphasise that it belongs to the root tile.
Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220318233938.149744-2-andi.shyti@linux.intel.com

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

@@ -1981,7 +1981,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
 
 	/* object is backed with LMEM for discrete */
 	i915 = to_i915(obj->base.dev);
-	if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM)) {
+	if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM_0)) {
 		/* object is "remote", not in local memory */
 		i915_gem_object_put(obj);
 		return ERR_PTR(-EREMOTE);

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

@@ -140,7 +140,7 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
 	if (!ret && phys_cursor)
 		ret = i915_gem_object_attach_phys(obj, alignment);
 	else if (!ret && HAS_LMEM(dev_priv))
-		ret = i915_gem_object_migrate(obj, &ww, INTEL_REGION_LMEM);
+		ret = i915_gem_object_migrate(obj, &ww, INTEL_REGION_LMEM_0);
 	/* TODO: Do we need to sync when migration becomes async? */
 	if (!ret)
 		ret = i915_gem_object_pin_pages(obj);

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

@@ -72,7 +72,7 @@ initial_plane_vma(struct drm_i915_private *i915,
 		}
 
 		phys_base = pte & I915_GTT_PAGE_MASK;
-		mem = i915->mm.regions[INTEL_REGION_LMEM];
+		mem = i915->mm.regions[INTEL_REGION_LMEM_0];
 
 		/*
 		 * We don't currently expect this to ever be placed in the

drivers/gpu/drm/i915/gem/i915_gem_lmem.c

@@ -100,7 +100,7 @@ __i915_gem_object_create_lmem_with_ps(struct drm_i915_private *i915,
 				      resource_size_t page_size,
 				      unsigned int flags)
 {
-	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM],
+	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM_0],
 					     size, page_size, flags);
 }
 
@@ -135,6 +135,6 @@ i915_gem_object_create_lmem(struct drm_i915_private *i915,
 			    resource_size_t size,
 			    unsigned int flags)
 {
-	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM],
+	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM_0],
 					     size, 0, flags);
 }

drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c

@@ -88,7 +88,7 @@ static int igt_dmabuf_import_self(void *arg)
 static int igt_dmabuf_import_same_driver_lmem(void *arg)
 {
 	struct drm_i915_private *i915 = arg;
-	struct intel_memory_region *lmem = i915->mm.regions[INTEL_REGION_LMEM];
+	struct intel_memory_region *lmem = i915->mm.regions[INTEL_REGION_LMEM_0];
 	struct drm_i915_gem_object *obj;
 	struct drm_gem_object *import;
 	struct dma_buf *dmabuf;
@@ -252,10 +252,10 @@ static int igt_dmabuf_import_same_driver_lmem_smem(void *arg)
 	struct drm_i915_private *i915 = arg;
 	struct intel_memory_region *regions[2];
 
-	if (!i915->mm.regions[INTEL_REGION_LMEM])
+	if (!i915->mm.regions[INTEL_REGION_LMEM_0])
 		return 0;
 
-	regions[0] = i915->mm.regions[INTEL_REGION_LMEM];
+	regions[0] = i915->mm.regions[INTEL_REGION_LMEM_0];
 	regions[1] = i915->mm.regions[INTEL_REGION_SMEM];
 	return igt_dmabuf_import_same_driver(i915, regions, 2);
 }

drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c

@@ -92,17 +92,17 @@ static int igt_create_migrate(struct intel_gt *gt, enum intel_region_id src,
 
 static int igt_smem_create_migrate(void *arg)
 {
-	return igt_create_migrate(arg, INTEL_REGION_LMEM, INTEL_REGION_SMEM);
+	return igt_create_migrate(arg, INTEL_REGION_LMEM_0, INTEL_REGION_SMEM);
 }
 
 static int igt_lmem_create_migrate(void *arg)
 {
-	return igt_create_migrate(arg, INTEL_REGION_SMEM, INTEL_REGION_LMEM);
+	return igt_create_migrate(arg, INTEL_REGION_SMEM, INTEL_REGION_LMEM_0);
 }
 
 static int igt_same_create_migrate(void *arg)
 {
-	return igt_create_migrate(arg, INTEL_REGION_LMEM, INTEL_REGION_LMEM);
+	return igt_create_migrate(arg, INTEL_REGION_LMEM_0, INTEL_REGION_LMEM_0);
 }
 
 static int lmem_pages_migrate_one(struct i915_gem_ww_ctx *ww,
@@ -152,7 +152,7 @@ static int lmem_pages_migrate_one(struct i915_gem_ww_ctx *ww,
 		}
 
 	} else {
-		err = i915_gem_object_migrate(obj, ww, INTEL_REGION_LMEM);
+		err = i915_gem_object_migrate(obj, ww, INTEL_REGION_LMEM_0);
 		if (err) {
 			pr_err("Object failed migration to lmem\n");
 			if (err)

drivers/gpu/drm/i915/gt/intel_gt.c

@@ -76,7 +76,7 @@ int intel_gt_probe_lmem(struct intel_gt *gt)
 		return err;
 	}
 
-	id = INTEL_REGION_LMEM;
+	id = INTEL_REGION_LMEM_0;
 
 	mem->id = id;
 

drivers/gpu/drm/i915/intel_memory_region.c

@@ -17,7 +17,7 @@ static const struct {
 		.class = INTEL_MEMORY_SYSTEM,
 		.instance = 0,
 	},
-	[INTEL_REGION_LMEM] = {
+	[INTEL_REGION_LMEM_0] = {
 		.class = INTEL_MEMORY_LOCAL,
 		.instance = 0,
 	},

drivers/gpu/drm/i915/intel_memory_region.h

@@ -29,14 +29,14 @@ enum intel_memory_type {
 
 enum intel_region_id {
 	INTEL_REGION_SMEM = 0,
-	INTEL_REGION_LMEM,
+	INTEL_REGION_LMEM_0,
 	INTEL_REGION_STOLEN_SMEM,
 	INTEL_REGION_STOLEN_LMEM,
 	INTEL_REGION_UNKNOWN, /* Should be last */
 };
 
 #define REGION_SMEM     BIT(INTEL_REGION_SMEM)
-#define REGION_LMEM     BIT(INTEL_REGION_LMEM)
+#define REGION_LMEM     BIT(INTEL_REGION_LMEM_0)
 #define REGION_STOLEN_SMEM   BIT(INTEL_REGION_STOLEN_SMEM)
 #define REGION_STOLEN_LMEM   BIT(INTEL_REGION_STOLEN_LMEM)