drm/xe: Add a helper for DRM device-lifetime BO create

A helper for managed BO allocations makes it possible to remove specific
"fini" actions and will simplify the following patches adding ability to
execute a release action for specific BO directly.
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_bo.c

@@ -9,6 +9,7 @@
 
 #include <drm/drm_drv.h>
 #include <drm/drm_gem_ttm_helper.h>
+#include <drm/drm_managed.h>
 #include <drm/ttm/ttm_device.h>
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_tt.h>
@@ -1540,6 +1541,41 @@ struct xe_bo *xe_bo_create_from_data(struct xe_device *xe, struct xe_tile *tile,
 	return bo;
 }
 
+static void __xe_bo_unpin_map_no_vm(struct drm_device *drm, void *arg)
+{
+	xe_bo_unpin_map_no_vm(arg);
+}
+
+struct xe_bo *xe_managed_bo_create_pin_map(struct xe_device *xe, struct xe_tile *tile,
+					   size_t size, u32 flags)
+{
+	struct xe_bo *bo;
+	int ret;
+
+	bo = xe_bo_create_pin_map(xe, tile, NULL, size, ttm_bo_type_kernel, flags);
+	if (IS_ERR(bo))
+		return bo;
+
+	ret = drmm_add_action_or_reset(&xe->drm, __xe_bo_unpin_map_no_vm, bo);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return bo;
+}
+
+struct xe_bo *xe_managed_bo_create_from_data(struct xe_device *xe, struct xe_tile *tile,
+					     const void *data, size_t size, u32 flags)
+{
+	struct xe_bo *bo = xe_managed_bo_create_pin_map(xe, tile, size, flags);
+
+	if (IS_ERR(bo))
+		return bo;
+
+	xe_map_memcpy_to(xe, &bo->vmap, 0, data, size);
+
+	return bo;
+}
+
 /*
  * XXX: This is in the VM bind data path, likely should calculate this once and
  * store, with a recalculation if the BO is moved.

drivers/gpu/drm/xe/xe_bo.h

@@ -124,6 +124,10 @@ struct xe_bo *xe_bo_create_pin_map_at(struct xe_device *xe, struct xe_tile *tile
 struct xe_bo *xe_bo_create_from_data(struct xe_device *xe, struct xe_tile *tile,
 				     const void *data, size_t size,
 				     enum ttm_bo_type type, u32 flags);
+struct xe_bo *xe_managed_bo_create_pin_map(struct xe_device *xe, struct xe_tile *tile,
+					   size_t size, u32 flags);
+struct xe_bo *xe_managed_bo_create_from_data(struct xe_device *xe, struct xe_tile *tile,
+					     const void *data, size_t size, u32 flags);
 
 int xe_bo_placement_for_flags(struct xe_device *xe, struct xe_bo *bo,
 			      u32 bo_flags);

drivers/gpu/drm/xe/xe_ggtt.c

@@ -108,7 +108,6 @@ static void ggtt_fini(struct drm_device *drm, void *arg)
 {
 	struct xe_ggtt *ggtt = arg;
 
-	xe_bo_unpin_map_no_vm(ggtt->scratch);
 	ggtt->scratch = NULL;
 }
 
@@ -227,10 +226,7 @@ int xe_ggtt_init(struct xe_ggtt *ggtt)
 	else
 		flags |= XE_BO_CREATE_VRAM_IF_DGFX(ggtt->tile);
 
-	ggtt->scratch = xe_bo_create_pin_map(xe, ggtt->tile, NULL, XE_PAGE_SIZE,
-					     ttm_bo_type_kernel,
-					     flags);
-
+	ggtt->scratch = xe_managed_bo_create_pin_map(xe, ggtt->tile, XE_PAGE_SIZE, flags);
 	if (IS_ERR(ggtt->scratch)) {
 		err = PTR_ERR(ggtt->scratch);
 		goto err;

drivers/gpu/drm/xe/xe_guc_ads.c

@@ -202,13 +202,6 @@ static size_t guc_ads_size(struct xe_guc_ads *ads)
 		guc_ads_private_data_size(ads);
 }
 
-static void guc_ads_fini(struct drm_device *drm, void *arg)
-{
-	struct xe_guc_ads *ads = arg;
-
-	xe_bo_unpin_map_no_vm(ads->bo);
-}
-
 static bool needs_wa_1607983814(struct xe_device *xe)
 {
 	return GRAPHICS_VERx100(xe) < 1250;
@@ -274,25 +267,18 @@ int xe_guc_ads_init(struct xe_guc_ads *ads)
 	struct xe_gt *gt = ads_to_gt(ads);
 	struct xe_tile *tile = gt_to_tile(gt);
 	struct xe_bo *bo;
-	int err;
 
 	ads->golden_lrc_size = calculate_golden_lrc_size(ads);
 	ads->regset_size = calculate_regset_size(gt);
 
-	bo = xe_bo_create_pin_map(xe, tile, NULL, guc_ads_size(ads) +
-				  MAX_GOLDEN_LRC_SIZE,
-				  ttm_bo_type_kernel,
-				  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-				  XE_BO_CREATE_GGTT_BIT);
+	bo = xe_managed_bo_create_pin_map(xe, tile, guc_ads_size(ads) + MAX_GOLDEN_LRC_SIZE,
+					  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+					  XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
 	ads->bo = bo;
 
-	err = drmm_add_action_or_reset(&xe->drm, guc_ads_fini, ads);
-	if (err)
-		return err;
-
 	return 0;
 }
 

drivers/gpu/drm/xe/xe_guc_ct.c

@@ -114,7 +114,6 @@ static void guc_ct_fini(struct drm_device *drm, void *arg)
 	struct xe_guc_ct *ct = arg;
 
 	xa_destroy(&ct->fence_lookup);
-	xe_bo_unpin_map_no_vm(ct->bo);
 }
 
 static void g2h_worker_func(struct work_struct *w);
@@ -148,10 +147,9 @@ int xe_guc_ct_init(struct xe_guc_ct *ct)
 
 	primelockdep(ct);
 
-	bo = xe_bo_create_pin_map(xe, tile, NULL, guc_ct_size(),
-				  ttm_bo_type_kernel,
-				  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-				  XE_BO_CREATE_GGTT_BIT);
+	bo = xe_managed_bo_create_pin_map(xe, tile, guc_ct_size(),
+					  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+					  XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 

drivers/gpu/drm/xe/xe_guc_hwconfig.c

@@ -48,13 +48,6 @@ static int guc_hwconfig_copy(struct xe_guc *guc)
 	return 0;
 }
 
-static void guc_hwconfig_fini(struct drm_device *drm, void *arg)
-{
-	struct xe_guc *guc = arg;
-
-	xe_bo_unpin_map_no_vm(guc->hwconfig.bo);
-}
-
 int xe_guc_hwconfig_init(struct xe_guc *guc)
 {
 	struct xe_device *xe = guc_to_xe(guc);
@@ -84,19 +77,14 @@ int xe_guc_hwconfig_init(struct xe_guc *guc)
 	if (!size)
 		return -EINVAL;
 
-	bo = xe_bo_create_pin_map(xe, tile, NULL, PAGE_ALIGN(size),
-				  ttm_bo_type_kernel,
-				  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-				  XE_BO_CREATE_GGTT_BIT);
+	bo = xe_managed_bo_create_pin_map(xe, tile, PAGE_ALIGN(size),
+					  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+					  XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 	guc->hwconfig.bo = bo;
 	guc->hwconfig.size = size;
 
-	err = drmm_add_action_or_reset(&xe->drm, guc_hwconfig_fini, guc);
-	if (err)
-		return err;
-
 	return guc_hwconfig_copy(guc);
 }
 

drivers/gpu/drm/xe/xe_guc_log.c

@@ -77,24 +77,15 @@ void xe_guc_log_print(struct xe_guc_log *log, struct drm_printer *p)
 	}
 }
 
-static void guc_log_fini(struct drm_device *drm, void *arg)
-{
-	struct xe_guc_log *log = arg;
-
-	xe_bo_unpin_map_no_vm(log->bo);
-}
-
 int xe_guc_log_init(struct xe_guc_log *log)
 {
 	struct xe_device *xe = log_to_xe(log);
 	struct xe_tile *tile = gt_to_tile(log_to_gt(log));
 	struct xe_bo *bo;
-	int err;
 
-	bo = xe_bo_create_pin_map(xe, tile, NULL, guc_log_size(),
-				  ttm_bo_type_kernel,
-				  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-				  XE_BO_CREATE_GGTT_BIT);
+	bo = xe_managed_bo_create_pin_map(xe, tile, guc_log_size(),
+					  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+					  XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 
@@ -102,9 +93,5 @@ int xe_guc_log_init(struct xe_guc_log *log)
 	log->bo = bo;
 	log->level = xe_modparam.guc_log_level;
 
-	err = drmm_add_action_or_reset(&xe->drm, guc_log_fini, log);
-	if (err)
-		return err;
-
 	return 0;
 }

drivers/gpu/drm/xe/xe_guc_pc.c

@@ -964,7 +964,6 @@ void xe_guc_pc_fini(struct xe_guc_pc *pc)
 	XE_WARN_ON(xe_guc_pc_gucrc_disable(pc));
 	XE_WARN_ON(xe_guc_pc_stop(pc));
 	sysfs_remove_files(pc_to_gt(pc)->sysfs, pc_attrs);
-	xe_bo_unpin_map_no_vm(pc->bo);
 	mutex_destroy(&pc->freq_lock);
 }
 
@@ -986,11 +985,9 @@ int xe_guc_pc_init(struct xe_guc_pc *pc)
 
 	mutex_init(&pc->freq_lock);
 
-	bo = xe_bo_create_pin_map(xe, tile, NULL, size,
-				  ttm_bo_type_kernel,
-				  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-				  XE_BO_CREATE_GGTT_BIT);
-
+	bo = xe_managed_bo_create_pin_map(xe, tile, size,
+					  XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+					  XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(bo))
 		return PTR_ERR(bo);
 

drivers/gpu/drm/xe/xe_hw_engine.c

@@ -239,8 +239,6 @@ static void hw_engine_fini(struct drm_device *drm, void *arg)
 		xe_execlist_port_destroy(hwe->exl_port);
 	xe_lrc_finish(&hwe->kernel_lrc);
 
-	xe_bo_unpin_map_no_vm(hwe->hwsp);
-
 	hwe->gt = NULL;
 }
 
@@ -428,9 +426,9 @@ static int hw_engine_init(struct xe_gt *gt, struct xe_hw_engine *hwe,
 	xe_reg_sr_apply_mmio(&hwe->reg_sr, gt);
 	xe_reg_sr_apply_whitelist(hwe);
 
-	hwe->hwsp = xe_bo_create_pin_map(xe, tile, NULL, SZ_4K, ttm_bo_type_kernel,
-					 XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-					 XE_BO_CREATE_GGTT_BIT);
+	hwe->hwsp = xe_managed_bo_create_pin_map(xe, tile, SZ_4K,
+						 XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+						 XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(hwe->hwsp)) {
 		err = PTR_ERR(hwe->hwsp);
 		goto err_name;

drivers/gpu/drm/xe/xe_uc_fw.c

@@ -292,7 +292,6 @@ static void uc_fw_fini(struct drm_device *drm, void *arg)
 	if (!xe_uc_fw_is_available(uc_fw))
 		return;
 
-	xe_bo_unpin_map_no_vm(uc_fw->bo);
 	xe_uc_fw_change_status(uc_fw, XE_UC_FIRMWARE_SELECTED);
 }
 
@@ -692,10 +691,9 @@ int xe_uc_fw_init(struct xe_uc_fw *uc_fw)
 			goto fail;
 	}
 
-	obj = xe_bo_create_from_data(xe, tile, fw->data, fw->size,
-				     ttm_bo_type_kernel,
-				     XE_BO_CREATE_VRAM_IF_DGFX(tile) |
-				     XE_BO_CREATE_GGTT_BIT);
+	obj = xe_managed_bo_create_from_data(xe, tile, fw->data, fw->size,
+					     XE_BO_CREATE_VRAM_IF_DGFX(tile) |
+					     XE_BO_CREATE_GGTT_BIT);
 	if (IS_ERR(obj)) {
 		drm_notice(&xe->drm, "%s firmware %s: failed to create / populate bo",
 			   xe_uc_fw_type_repr(uc_fw->type), uc_fw->path);
@@ -726,6 +724,7 @@ int xe_uc_fw_init(struct xe_uc_fw *uc_fw)
 		 xe_uc_fw_type_repr(uc_fw->type), XE_UC_FIRMWARE_URL);
 
 	release_firmware(fw);		/* OK even if fw is NULL */
+
 	return err;
 }