Driver Changes:

- Fix kunit link failure with built-in xe
 - Fix one more 32-bit build failure with ARM compiler
 - Fix initialization order of topology struct
 - Cleanup unused fields in struct xe_vm
 - Fix xe_vm leak when handling page fault on a VM not in fault mode
 - Drop use of "grouped target" feature in Makefile since that's
   only available in make >= 4.3
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Merge tag 'drm-xe-next-fixes-2024-03-04' of ssh://gitlab.freedesktop.org/drm/xe/kernel into drm-next

Driver Changes:

- Fix kunit link failure with built-in xe
- Fix one more 32-bit build failure with ARM compiler
- Fix initialization order of topology struct
- Cleanup unused fields in struct xe_vm
- Fix xe_vm leak when handling page fault on a VM not in fault mode
- Drop use of "grouped target" feature in Makefile since that's
  only available in make >= 4.3

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/kaypobelrl7u7rtnu6hg5czs3vptbhs4rp24vnwuo2ajoxysto@l5u7377hz4es

drivers/gpu/drm/xe/Kconfig

@@ -10,6 +10,7 @@ config DRM_XE
 	select DRM_BUDDY
 	select DRM_EXEC
 	select DRM_KMS_HELPER
+	select DRM_KUNIT_TEST_HELPERS if DRM_XE_KUNIT_TEST != n
 	select DRM_PANEL
 	select DRM_SUBALLOC_HELPER
 	select DRM_DISPLAY_DP_HELPER

drivers/gpu/drm/xe/Kconfig.debug

@@ -76,7 +76,6 @@ config DRM_XE_KUNIT_TEST
 	depends on DRM_XE && KUNIT && DEBUG_FS
 	default KUNIT_ALL_TESTS
 	select DRM_EXPORT_FOR_TESTS if m
-	select DRM_KUNIT_TEST_HELPERS
 	help
 	  Choose this option to allow the driver to perform selftests under
 	  the kunit framework

drivers/gpu/drm/xe/Makefile

@@ -42,7 +42,8 @@ generated_oob := $(obj)/generated/xe_wa_oob.c $(obj)/generated/xe_wa_oob.h
 quiet_cmd_wa_oob = GEN     $(notdir $(generated_oob))
       cmd_wa_oob = mkdir -p $(@D); $^ $(generated_oob)
 
-$(generated_oob) &: $(obj)/xe_gen_wa_oob $(srctree)/$(src)/xe_wa_oob.rules
+$(obj)/generated/%_wa_oob.c $(obj)/generated/%_wa_oob.h: $(obj)/xe_gen_wa_oob \
+		 $(srctree)/$(src)/xe_wa_oob.rules
 	$(call cmd,wa_oob)
 
 uses_generated_oob := \
@@ -158,8 +159,10 @@ xe-$(CONFIG_PCI_IOV) += \
 	xe_lmtt_2l.o \
 	xe_lmtt_ml.o
 
-xe-$(CONFIG_DRM_XE_KUNIT_TEST) += \
-	tests/xe_kunit_helpers.o
+# include helpers for tests even when XE is built-in
+ifdef CONFIG_DRM_XE_KUNIT_TEST
+xe-y += tests/xe_kunit_helpers.o
+endif
 
 # i915 Display compat #defines and #includes
 subdir-ccflags-$(CONFIG_DRM_XE_DISPLAY) += \

drivers/gpu/drm/xe/xe_gt.c

@@ -314,8 +314,6 @@ int xe_gt_init_early(struct xe_gt *gt)
 	if (err)
 		return err;
 
-	xe_gt_topology_init(gt);
-
 	err = xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
 	if (err)
 		return err;
@@ -502,6 +500,7 @@ int xe_gt_init_hwconfig(struct xe_gt *gt)
 	if (err)
 		goto out;
 
+	xe_gt_topology_init(gt);
 	xe_gt_mcr_init(gt);
 	xe_pat_init(gt);
 

drivers/gpu/drm/xe/xe_gt_pagefault.c

@@ -146,10 +146,12 @@ static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf)
 	/* ASID to VM */
 	mutex_lock(&xe->usm.lock);
 	vm = xa_load(&xe->usm.asid_to_vm, pf->asid);
-	if (vm)
+	if (vm && xe_vm_in_fault_mode(vm))
 		xe_vm_get(vm);
+	else
+		vm = NULL;
 	mutex_unlock(&xe->usm.lock);
-	if (!vm || !xe_vm_in_fault_mode(vm))
+	if (!vm)
 		return -EINVAL;
 
 retry_userptr:

drivers/gpu/drm/xe/xe_migrate.c

@@ -462,7 +462,7 @@ static u32 pte_update_size(struct xe_migrate *m,
 	} else {
 		/* Clip L0 to available size */
 		u64 size = min(*L0, (u64)avail_pts * SZ_2M);
-		u64 num_4k_pages = DIV_ROUND_UP(size, XE_PAGE_SIZE);
+		u32 num_4k_pages = (size + XE_PAGE_SIZE - 1) >> XE_PTE_SHIFT;
 
 		*L0 = size;
 		*L0_ofs = xe_migrate_vm_addr(pt_ofs, 0);

drivers/gpu/drm/xe/xe_vm_types.h

@@ -189,30 +189,6 @@ struct xe_vm {
 	 */
 	struct xe_range_fence_tree rftree[XE_MAX_TILES_PER_DEVICE];
 
-	/** @async_ops: async VM operations (bind / unbinds) */
-	struct {
-		/** @list: list of pending async VM ops */
-		struct list_head pending;
-		/** @work: worker to execute async VM ops */
-		struct work_struct work;
-		/** @lock: protects list of pending async VM ops and fences */
-		spinlock_t lock;
-		/** @fence: fence state */
-		struct {
-			/** @context: context of async fence */
-			u64 context;
-			/** @seqno: seqno of async fence */
-			u32 seqno;
-		} fence;
-		/** @error: error state for async VM ops */
-		int error;
-		/**
-		 * @munmap_rebind_inflight: an munmap style VM bind is in the
-		 * middle of a set of ops which requires a rebind at the end.
-		 */
-		bool munmap_rebind_inflight;
-	} async_ops;
-
 	const struct xe_pt_ops *pt_ops;
 
 	/** @userptr: user pointer state */