[1/6] drm/xe/xe_gt_pagefault: Migrate lookup_vma to xe_vm.h

Commit Message

Jonathan Cavitt Feb. 26, 2025, 10:55 p.m. UTC

Make lookup_vma a static inline header function for xe_vm.

Signed-off-by: Jonathan Cavitt <[e-mail]>
---
 drivers/gpu/drm/xe/xe_gt_pagefault.c | 25 +------------------------
 drivers/gpu/drm/xe/xe_vm.h           | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 24 deletions(-)

Patch

diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 17d69039b866..4a4cf0c4b68d 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -71,29 +71,6 @@  static bool vma_is_valid(struct xe_tile *tile, struct xe_vma *vma)
 		!(BIT(tile->id) & vma->tile_invalidated);
 }
 
-static bool vma_matches(struct xe_vma *vma, u64 page_addr)
-{
-	if (page_addr > xe_vma_end(vma) - 1 ||
-	    page_addr + SZ_4K - 1 < xe_vma_start(vma))
-		return false;
-
-	return true;
-}
-
-static struct xe_vma *lookup_vma(struct xe_vm *vm, u64 page_addr)
-{
-	struct xe_vma *vma = NULL;
-
-	if (vm->usm.last_fault_vma) {   /* Fast lookup */
-		if (vma_matches(vm->usm.last_fault_vma, page_addr))
-			vma = vm->usm.last_fault_vma;
-	}
-	if (!vma)
-		vma = xe_vm_find_overlapping_vma(vm, page_addr, SZ_4K);
-
-	return vma;
-}
-
 static int xe_pf_begin(struct drm_exec *exec, struct xe_vma *vma,
 		       bool atomic, unsigned int id)
 {
@@ -229,7 +206,7 @@  static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf)
 		goto unlock_vm;
 	}
 
-	vma = lookup_vma(vm, pf->page_addr);
+	vma = xe_vm_lookup_vma(vm, pf->page_addr);
 	if (!vma) {
 		err = -EINVAL;
 		goto unlock_vm;
diff --git a/drivers/gpu/drm/xe/xe_vm.h b/drivers/gpu/drm/xe/xe_vm.h
index f66075f8a6fe..fb3f15ee89ec 100644
--- a/drivers/gpu/drm/xe/xe_vm.h
+++ b/drivers/gpu/drm/xe/xe_vm.h
@@ -248,6 +248,30 @@  bool xe_vm_validate_should_retry(struct drm_exec *exec, int err, ktime_t *end);
 
 int xe_vm_lock_vma(struct drm_exec *exec, struct xe_vma *vma);
 
+static bool vma_matches(struct xe_vma *vma, u64 page_addr)
+{
+	if (page_addr > xe_vma_end(vma) - 1 ||
+	    page_addr + SZ_4K - 1 < xe_vma_start(vma))
+		return false;
+
+	return true;
+}
+
+static inline struct xe_vma *xe_vm_lookup_vma(struct xe_vm *vm, u64 page_addr)
+{
+	struct xe_vma *vma = NULL;
+
+	if (vm->usm.last_fault_vma) {   /* Fast lookup */
+		if (vma_matches(vm->usm.last_fault_vma, page_addr))
+			vma = vm->usm.last_fault_vma;
+	}
+	if (!vma)
+		vma = xe_vm_find_overlapping_vma(vm, page_addr, SZ_4K);
+
+	return vma;
+}
+
+
 int xe_vm_validate_rebind(struct xe_vm *vm, struct drm_exec *exec,
 			  unsigned int num_fences);