[PATCH 3/3] drm/xe: Rewrite GGTT VF initialisation
Maarten Lankhorst
dev at lankhorst.se
Mon Jun 9 16:24:16 UTC 2025
The previous code was using a complicated system with 2 balloons to
set GGTT size and adjust GGTT offset. While it works, it's overly
complicated.
A better approach is to set the offset and size when initialising GGTT,
this removes the need for adding balloons. The resize function only
needs to re-initialise GGTT at the new offset.
We use the newly created drm_mm_shift to shift the nodes.
This removes the need to manipulate the internals of xe_ggtt outside
of xe_ggtt, and cleans up a lot of now unneeded code.
Signed-off-by: Maarten Lankhorst <dev at lankhorst.se>
---
drivers/gpu/drm/xe/Makefile | 3 +-
drivers/gpu/drm/xe/xe_ggtt.c | 144 +++------------
drivers/gpu/drm/xe/xe_ggtt.h | 5 +-
drivers/gpu/drm/xe/xe_sriov_vf.c | 4 +-
drivers/gpu/drm/xe/xe_tile_sriov_vf.c | 254 --------------------------
drivers/gpu/drm/xe/xe_tile_sriov_vf.h | 18 --
6 files changed, 29 insertions(+), 399 deletions(-)
delete mode 100644 drivers/gpu/drm/xe/xe_tile_sriov_vf.c
delete mode 100644 drivers/gpu/drm/xe/xe_tile_sriov_vf.h
diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
index f5f5775acdc00..e4bf484d41216 100644
--- a/drivers/gpu/drm/xe/Makefile
+++ b/drivers/gpu/drm/xe/Makefile
@@ -139,8 +139,7 @@ xe-y += \
xe_guc_relay.o \
xe_memirq.o \
xe_sriov.o \
- xe_sriov_vf.o \
- xe_tile_sriov_vf.o
+ xe_sriov_vf.o
xe-$(CONFIG_PCI_IOV) += \
xe_gt_sriov_pf.o \
diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c
index 12c1a9d7944cb..726e6a5d0584b 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.c
+++ b/drivers/gpu/drm/xe/xe_ggtt.c
@@ -29,7 +29,7 @@
#include "xe_pm.h"
#include "xe_res_cursor.h"
#include "xe_sriov.h"
-#include "xe_tile_sriov_vf.h"
+#include "xe_gt_sriov_vf.h"
#include "xe_wa.h"
#include "xe_wopcm.h"
@@ -255,7 +255,6 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt)
struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
unsigned int gsm_size;
u64 ggtt_start, wopcm = xe_wopcm_size(xe), ggtt_size;
- int err;
if (!IS_SRIOV_VF(xe)) {
gsm_size = probe_gsm_size(pdev);
@@ -266,9 +265,15 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt)
ggtt_start = wopcm;
ggtt_size = (gsm_size / 8) * (u64) XE_PAGE_SIZE - ggtt_start;
} else {
- /* GGTT is expected to be 4GiB */
- ggtt_start = wopcm;
- ggtt_size = SZ_4G - ggtt_start;
+ ggtt_start = xe_gt_sriov_vf_ggtt_base(ggtt->tile->primary_gt);
+ ggtt_size = xe_gt_sriov_vf_ggtt(ggtt->tile->primary_gt);
+
+ if (ggtt_start < wopcm || ggtt_start > GUC_GGTT_TOP ||
+ ggtt_size > GUC_GGTT_TOP - ggtt_start) {
+ drm_err(&xe->drm, "tile%u: Invalid GGTT configuration: %#llx-%#llx\n",
+ ggtt->tile->id, ggtt_start, ggtt_start + ggtt_size - 1);
+ return -ERANGE;
+ }
}
ggtt->gsm = ggtt->tile->mmio.regs + SZ_8M;
@@ -289,17 +294,7 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt)
ggtt->wq = alloc_workqueue("xe-ggtt-wq", 0, WQ_MEM_RECLAIM);
__xe_ggtt_init_early(ggtt, ggtt_start, ggtt_size);
- err = drmm_add_action_or_reset(&xe->drm, ggtt_fini_early, ggtt);
- if (err)
- return err;
-
- if (IS_SRIOV_VF(xe)) {
- err = xe_tile_sriov_vf_prepare_ggtt(ggtt->tile);
- if (err)
- return err;
- }
-
- return 0;
+ return drmm_add_action_or_reset(&xe->drm, ggtt_fini_early, ggtt);
}
ALLOW_ERROR_INJECTION(xe_ggtt_init_early, ERRNO); /* See xe_pci_probe() */
@@ -452,84 +447,8 @@ static void xe_ggtt_invalidate(struct xe_ggtt *ggtt)
ggtt_invalidate_gt_tlb(ggtt->tile->media_gt);
}
-static void xe_ggtt_dump_node(struct xe_ggtt *ggtt,
- const struct drm_mm_node *node, const char *description)
-{
- char buf[10];
-
- if (IS_ENABLED(CONFIG_DRM_XE_DEBUG)) {
- string_get_size(node->size, 1, STRING_UNITS_2, buf, sizeof(buf));
- xe_gt_dbg(ggtt->tile->primary_gt, "GGTT %#llx-%#llx (%s) %s\n",
- node->start, node->start + node->size, buf, description);
- }
-}
-
-/**
- * xe_ggtt_node_insert_balloon_locked - prevent allocation of specified GGTT addresses
- * @node: the &xe_ggtt_node to hold reserved GGTT node
- * @start: the starting GGTT address of the reserved region
- * @end: then end GGTT address of the reserved region
- *
- * To be used in cases where ggtt->lock is already taken.
- * Use xe_ggtt_node_remove_balloon_locked() to release a reserved GGTT node.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int xe_ggtt_node_insert_balloon_locked(struct xe_ggtt_node *node, u64 start, u64 end)
-{
- struct xe_ggtt *ggtt = node->ggtt;
- int err;
-
- xe_tile_assert(ggtt->tile, start < end);
- xe_tile_assert(ggtt->tile, IS_ALIGNED(start, XE_PAGE_SIZE));
- xe_tile_assert(ggtt->tile, IS_ALIGNED(end, XE_PAGE_SIZE));
- xe_tile_assert(ggtt->tile, !drm_mm_node_allocated(&node->base));
- lockdep_assert_held(&ggtt->lock);
-
- node->base.color = 0;
- node->base.start = start;
- node->base.size = end - start;
-
- err = drm_mm_reserve_node(&ggtt->mm, &node->base);
-
- if (xe_gt_WARN(ggtt->tile->primary_gt, err,
- "Failed to balloon GGTT %#llx-%#llx (%pe)\n",
- node->base.start, node->base.start + node->base.size, ERR_PTR(err)))
- return err;
-
- xe_ggtt_dump_node(ggtt, &node->base, "balloon");
- return 0;
-}
-
/**
- * xe_ggtt_node_remove_balloon_locked - release a reserved GGTT region
- * @node: the &xe_ggtt_node with reserved GGTT region
- *
- * To be used in cases where ggtt->lock is already taken.
- * See xe_ggtt_node_insert_balloon_locked() for details.
- */
-void xe_ggtt_node_remove_balloon_locked(struct xe_ggtt_node *node)
-{
- if (!xe_ggtt_node_allocated(node))
- return;
-
- lockdep_assert_held(&node->ggtt->lock);
-
- xe_ggtt_dump_node(node->ggtt, &node->base, "remove-balloon");
-
- drm_mm_remove_node(&node->base);
-}
-
-static void xe_ggtt_assert_fit(struct xe_ggtt *ggtt, u64 start, u64 size)
-{
- struct xe_tile *tile = ggtt->tile;
-
- xe_tile_assert(tile, start >= ggtt->start);
- xe_tile_assert(tile, start + size <= ggtt->start + ggtt->size);
-}
-
-/**
- * xe_ggtt_shift_nodes_locked - Shift GGTT nodes to adjust for a change in usable address range.
+ * xe_ggtt_shift_nodes - Shift GGTT nodes to adjust for a change in usable address range.
* @ggtt: the &xe_ggtt struct instance
* @shift: change to the location of area provisioned for current VF
*
@@ -543,29 +462,18 @@ static void xe_ggtt_assert_fit(struct xe_ggtt *ggtt, u64 start, u64 size)
* the list of nodes was either already damaged, or that the shift brings the address range
* outside of valid bounds. Both cases justify an assert rather than error code.
*/
-void xe_ggtt_shift_nodes_locked(struct xe_ggtt *ggtt, s64 shift)
+void xe_ggtt_shift_nodes(struct xe_ggtt *ggtt, s64 shift)
{
- struct xe_tile *tile __maybe_unused = ggtt->tile;
- struct drm_mm_node *node, *tmpn;
- LIST_HEAD(temp_list_head);
+ s64 new_start;
- lockdep_assert_held(&ggtt->lock);
+ mutex_lock(&ggtt->lock);
- if (IS_ENABLED(CONFIG_DRM_XE_DEBUG))
- drm_mm_for_each_node_safe(node, tmpn, &ggtt->mm)
- xe_ggtt_assert_fit(ggtt, node->start + shift, node->size);
+ new_start = ggtt->start + shift;
+ xe_tile_assert(ggtt->tile, new_start >= xe_wopcm_size(tile_to_xe(ggtt->tile)));
+ xe_tile_assert(ggtt->tile, new_start + ggtt->size <= GUC_GGTT_TOP);
- drm_mm_for_each_node_safe(node, tmpn, &ggtt->mm) {
- drm_mm_remove_node(node);
- list_add(&node->node_list, &temp_list_head);
- }
-
- list_for_each_entry_safe(node, tmpn, &temp_list_head, node_list) {
- list_del(&node->node_list);
- node->start += shift;
- drm_mm_reserve_node(&ggtt->mm, node);
- xe_tile_assert(tile, drm_mm_node_allocated(node));
- }
+ drm_mm_shift(&ggtt->mm, shift);
+ mutex_unlock(&ggtt->lock);
}
/**
@@ -617,11 +525,9 @@ int xe_ggtt_node_insert(struct xe_ggtt_node *node, u32 size, u32 align)
* @ggtt: the &xe_ggtt where the new node will later be inserted/reserved.
*
* This function will allocate the struct %xe_ggtt_node and return its pointer.
- * This struct will then be freed after the node removal upon xe_ggtt_node_remove()
- * or xe_ggtt_node_remove_balloon_locked().
+ * This struct will then be freed after the node removal upon xe_ggtt_node_remove().
* Having %xe_ggtt_node struct allocated doesn't mean that the node is already allocated
- * in GGTT. Only the xe_ggtt_node_insert(), xe_ggtt_node_insert_locked(),
- * xe_ggtt_node_insert_balloon_locked() will ensure the node is inserted or reserved in GGTT.
+ * in GGTT. Only xe_ggtt_node_insert() will ensure the node is inserted or reserved in GGTT.
*
* Return: A pointer to %xe_ggtt_node struct on success. An ERR_PTR otherwise.
**/
@@ -642,9 +548,9 @@ struct xe_ggtt_node *xe_ggtt_node_init(struct xe_ggtt *ggtt)
* xe_ggtt_node_fini - Forcebly finalize %xe_ggtt_node struct
* @node: the &xe_ggtt_node to be freed
*
- * If anything went wrong with either xe_ggtt_node_insert(), xe_ggtt_node_insert_locked(),
- * or xe_ggtt_node_insert_balloon_locked(); and this @node is not going to be reused, then,
- * this function needs to be called to free the %xe_ggtt_node struct
+ * If anything went wrong with either xe_ggtt_node_insert() and this @node is
+ * not going to be reused, then this function needs to be called to free the
+ * %xe_ggtt_node struct
**/
void xe_ggtt_node_fini(struct xe_ggtt_node *node)
{
diff --git a/drivers/gpu/drm/xe/xe_ggtt.h b/drivers/gpu/drm/xe/xe_ggtt.h
index fbe1e397d05d6..c00d6c8f687ac 100644
--- a/drivers/gpu/drm/xe/xe_ggtt.h
+++ b/drivers/gpu/drm/xe/xe_ggtt.h
@@ -18,10 +18,7 @@ int xe_ggtt_init(struct xe_ggtt *ggtt);
struct xe_ggtt_node *xe_ggtt_node_init(struct xe_ggtt *ggtt);
void xe_ggtt_node_fini(struct xe_ggtt_node *node);
-int xe_ggtt_node_insert_balloon_locked(struct xe_ggtt_node *node,
- u64 start, u64 size);
-void xe_ggtt_node_remove_balloon_locked(struct xe_ggtt_node *node);
-void xe_ggtt_shift_nodes_locked(struct xe_ggtt *ggtt, s64 shift);
+void xe_ggtt_shift_nodes(struct xe_ggtt *ggtt, s64 shift);
int xe_ggtt_node_insert(struct xe_ggtt_node *node, u32 size, u32 align);
int xe_ggtt_node_insert_locked(struct xe_ggtt_node *node,
diff --git a/drivers/gpu/drm/xe/xe_sriov_vf.c b/drivers/gpu/drm/xe/xe_sriov_vf.c
index 6526fe450e553..59e82124d6507 100644
--- a/drivers/gpu/drm/xe/xe_sriov_vf.c
+++ b/drivers/gpu/drm/xe/xe_sriov_vf.c
@@ -7,6 +7,7 @@
#include "xe_assert.h"
#include "xe_device.h"
+#include "xe_ggtt.h"
#include "xe_gt.h"
#include "xe_gt_sriov_printk.h"
#include "xe_gt_sriov_vf.h"
@@ -15,7 +16,6 @@
#include "xe_sriov.h"
#include "xe_sriov_printk.h"
#include "xe_sriov_vf.h"
-#include "xe_tile_sriov_vf.h"
/**
* DOC: VF restore procedure in PF KMD and VF KMD
@@ -212,7 +212,7 @@ static bool vf_post_migration_fixup_ggtt_nodes(struct xe_device *xe)
shift = xe_gt_sriov_vf_ggtt_shift(gt);
if (shift) {
need_fixups = true;
- xe_tile_sriov_vf_fixup_ggtt_nodes(tile, shift);
+ xe_ggtt_shift_nodes(tile->mem.ggtt, shift);
}
}
return need_fixups;
diff --git a/drivers/gpu/drm/xe/xe_tile_sriov_vf.c b/drivers/gpu/drm/xe/xe_tile_sriov_vf.c
deleted file mode 100644
index f221dbed16f09..0000000000000
--- a/drivers/gpu/drm/xe/xe_tile_sriov_vf.c
+++ /dev/null
@@ -1,254 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2025 Intel Corporation
- */
-
-#include <drm/drm_managed.h>
-
-#include "regs/xe_gtt_defs.h"
-
-#include "xe_assert.h"
-#include "xe_ggtt.h"
-#include "xe_gt_sriov_vf.h"
-#include "xe_sriov.h"
-#include "xe_sriov_printk.h"
-#include "xe_tile_sriov_vf.h"
-#include "xe_wopcm.h"
-
-static int vf_init_ggtt_balloons(struct xe_tile *tile)
-{
- struct xe_ggtt *ggtt = tile->mem.ggtt;
-
- xe_tile_assert(tile, IS_SRIOV_VF(tile_to_xe(tile)));
-
- tile->sriov.vf.ggtt_balloon[0] = xe_ggtt_node_init(ggtt);
- if (IS_ERR(tile->sriov.vf.ggtt_balloon[0]))
- return PTR_ERR(tile->sriov.vf.ggtt_balloon[0]);
-
- tile->sriov.vf.ggtt_balloon[1] = xe_ggtt_node_init(ggtt);
- if (IS_ERR(tile->sriov.vf.ggtt_balloon[1])) {
- xe_ggtt_node_fini(tile->sriov.vf.ggtt_balloon[0]);
- return PTR_ERR(tile->sriov.vf.ggtt_balloon[1]);
- }
-
- return 0;
-}
-
-/**
- * xe_tile_sriov_vf_balloon_ggtt_locked - Insert balloon nodes to limit used GGTT address range.
- * @tile: the &xe_tile struct instance
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int xe_tile_sriov_vf_balloon_ggtt_locked(struct xe_tile *tile)
-{
- u64 ggtt_base = xe_gt_sriov_vf_ggtt_base(tile->primary_gt);
- u64 ggtt_size = xe_gt_sriov_vf_ggtt(tile->primary_gt);
- struct xe_device *xe = tile_to_xe(tile);
- u64 wopcm = xe_wopcm_size(xe);
- u64 start, end;
- int err;
-
- xe_tile_assert(tile, IS_SRIOV_VF(xe));
- xe_tile_assert(tile, ggtt_size);
- lockdep_assert_held(&tile->mem.ggtt->lock);
-
- /*
- * VF can only use part of the GGTT as allocated by the PF:
- *
- * WOPCM GUC_GGTT_TOP
- * |<------------ Total GGTT size ------------------>|
- *
- * VF GGTT base -->|<- size ->|
- *
- * +--------------------+----------+-----------------+
- * |////////////////////| block |\\\\\\\\\\\\\\\\\|
- * +--------------------+----------+-----------------+
- *
- * |<--- balloon[0] --->|<-- VF -->|<-- balloon[1] ->|
- */
-
- if (ggtt_base < wopcm || ggtt_base > GUC_GGTT_TOP ||
- ggtt_size > GUC_GGTT_TOP - ggtt_base) {
- xe_sriov_err(xe, "tile%u: Invalid GGTT configuration: %#llx-%#llx\n",
- tile->id, ggtt_base, ggtt_base + ggtt_size - 1);
- return -ERANGE;
- }
-
- start = wopcm;
- end = ggtt_base;
- if (end != start) {
- err = xe_ggtt_node_insert_balloon_locked(tile->sriov.vf.ggtt_balloon[0],
- start, end);
- if (err)
- return err;
- }
-
- start = ggtt_base + ggtt_size;
- end = GUC_GGTT_TOP;
- if (end != start) {
- err = xe_ggtt_node_insert_balloon_locked(tile->sriov.vf.ggtt_balloon[1],
- start, end);
- if (err) {
- xe_ggtt_node_remove_balloon_locked(tile->sriov.vf.ggtt_balloon[0]);
- return err;
- }
- }
-
- return 0;
-}
-
-static int vf_balloon_ggtt(struct xe_tile *tile)
-{
- struct xe_ggtt *ggtt = tile->mem.ggtt;
- int err;
-
- mutex_lock(&ggtt->lock);
- err = xe_tile_sriov_vf_balloon_ggtt_locked(tile);
- mutex_unlock(&ggtt->lock);
-
- return err;
-}
-
-/**
- * xe_tile_sriov_vf_deballoon_ggtt_locked - Remove balloon nodes.
- * @tile: the &xe_tile struct instance
- */
-void xe_tile_sriov_vf_deballoon_ggtt_locked(struct xe_tile *tile)
-{
- xe_tile_assert(tile, IS_SRIOV_VF(tile_to_xe(tile)));
-
- xe_ggtt_node_remove_balloon_locked(tile->sriov.vf.ggtt_balloon[1]);
- xe_ggtt_node_remove_balloon_locked(tile->sriov.vf.ggtt_balloon[0]);
-}
-
-static void vf_deballoon_ggtt(struct xe_tile *tile)
-{
- mutex_lock(&tile->mem.ggtt->lock);
- xe_tile_sriov_vf_deballoon_ggtt_locked(tile);
- mutex_unlock(&tile->mem.ggtt->lock);
-}
-
-static void vf_fini_ggtt_balloons(struct xe_tile *tile)
-{
- xe_tile_assert(tile, IS_SRIOV_VF(tile_to_xe(tile)));
-
- xe_ggtt_node_fini(tile->sriov.vf.ggtt_balloon[1]);
- xe_ggtt_node_fini(tile->sriov.vf.ggtt_balloon[0]);
-}
-
-static void cleanup_ggtt(struct drm_device *drm, void *arg)
-{
- struct xe_tile *tile = arg;
-
- vf_deballoon_ggtt(tile);
- vf_fini_ggtt_balloons(tile);
-}
-
-/**
- * xe_tile_sriov_vf_prepare_ggtt - Prepare a VF's GGTT configuration.
- * @tile: the &xe_tile
- *
- * This function is for VF use only.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int xe_tile_sriov_vf_prepare_ggtt(struct xe_tile *tile)
-{
- struct xe_device *xe = tile_to_xe(tile);
- int err;
-
- err = vf_init_ggtt_balloons(tile);
- if (err)
- return err;
-
- err = vf_balloon_ggtt(tile);
- if (err) {
- vf_fini_ggtt_balloons(tile);
- return err;
- }
-
- return drmm_add_action_or_reset(&xe->drm, cleanup_ggtt, tile);
-}
-
-/**
- * DOC: GGTT nodes shifting during VF post-migration recovery
- *
- * The first fixup applied to the VF KMD structures as part of post-migration
- * recovery is shifting nodes within &xe_ggtt instance. The nodes are moved
- * from range previously assigned to this VF, into newly provisioned area.
- * The changes include balloons, which are resized accordingly.
- *
- * The balloon nodes are there to eliminate unavailable ranges from use: one
- * reserves the GGTT area below the range for current VF, and another one
- * reserves area above.
- *
- * Below is a GGTT layout of example VF, with a certain address range assigned to
- * said VF, and inaccessible areas above and below:
- *
- * 0 4GiB
- * |<--------------------------- Total GGTT size ----------------------------->|
- * WOPCM GUC_TOP
- * |<-------------- Area mappable by xe_ggtt instance ---------------->|
- *
- * +---+---------------------------------+----------+----------------------+---+
- * |\\\|/////////////////////////////////| VF mem |//////////////////////|\\\|
- * +---+---------------------------------+----------+----------------------+---+
- *
- * Hardware enforced access rules before migration:
- *
- * |<------- inaccessible for VF ------->|<VF owned>|<-- inaccessible for VF ->|
- *
- * GGTT nodes used for tracking allocations:
- *
- * |<---------- balloon ------------>|<- nodes->|<----- balloon ------>|
- *
- * After the migration, GGTT area assigned to the VF might have shifted, either
- * to lower or to higher address. But we expect the total size and extra areas to
- * be identical, as migration can only happen between matching platforms.
- * Below is an example of GGTT layout of the VF after migration. Content of the
- * GGTT for VF has been moved to a new area, and we receive its address from GuC:
- *
- * +---+----------------------+----------+---------------------------------+---+
- * |\\\|//////////////////////| VF mem |/////////////////////////////////|\\\|
- * +---+----------------------+----------+---------------------------------+---+
- *
- * Hardware enforced access rules after migration:
- *
- * |<- inaccessible for VF -->|<VF owned>|<------- inaccessible for VF ------->|
- *
- * So the VF has a new slice of GGTT assigned, and during migration process, the
- * memory content was copied to that new area. But the &xe_ggtt nodes are still
- * tracking allocations using the old addresses. The nodes within VF owned area
- * have to be shifted, and balloon nodes need to be resized to properly mask out
- * areas not owned by the VF.
- *
- * Fixed &xe_ggtt nodes used for tracking allocations:
- *
- * |<------ balloon ------>|<- nodes->|<----------- balloon ----------->|
- *
- * Due to use of GPU profiles, we do not expect the old and new GGTT ares to
- * overlap; but our node shifting will fix addresses properly regardless.
- */
-
-/**
- * xe_tile_sriov_vf_fixup_ggtt_nodes - Shift GGTT allocations to match assigned range.
- * @tile: the &xe_tile struct instance
- * @shift: the shift value
- *
- * Since Global GTT is not virtualized, each VF has an assigned range
- * within the global space. This range might have changed during migration,
- * which requires all memory addresses pointing to GGTT to be shifted.
- */
-void xe_tile_sriov_vf_fixup_ggtt_nodes(struct xe_tile *tile, s64 shift)
-{
- struct xe_ggtt *ggtt = tile->mem.ggtt;
-
- mutex_lock(&ggtt->lock);
-
- xe_tile_sriov_vf_deballoon_ggtt_locked(tile);
- xe_ggtt_shift_nodes_locked(ggtt, shift);
- xe_tile_sriov_vf_balloon_ggtt_locked(tile);
-
- mutex_unlock(&ggtt->lock);
-}
diff --git a/drivers/gpu/drm/xe/xe_tile_sriov_vf.h b/drivers/gpu/drm/xe/xe_tile_sriov_vf.h
deleted file mode 100644
index 93eb043171e83..0000000000000
--- a/drivers/gpu/drm/xe/xe_tile_sriov_vf.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2025 Intel Corporation
- */
-
-#ifndef _XE_TILE_SRIOV_VF_H_
-#define _XE_TILE_SRIOV_VF_H_
-
-#include <linux/types.h>
-
-struct xe_tile;
-
-int xe_tile_sriov_vf_prepare_ggtt(struct xe_tile *tile);
-int xe_tile_sriov_vf_balloon_ggtt_locked(struct xe_tile *tile);
-void xe_tile_sriov_vf_deballoon_ggtt_locked(struct xe_tile *tile);
-void xe_tile_sriov_vf_fixup_ggtt_nodes(struct xe_tile *tile, s64 shift);
-
-#endif
--
2.45.2
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