On 13-02-2025 07:41, Matthew Brost wrote:
Implement with a simple BO put which releases the device memory.

v2:
  - Use new drm_gpusvm_devmem_ops
v3:
  - Better commit message (Thomas)
v4:
  - Use xe_bo_put_async (Thomas)

Signed-off-by: Matthew Brost <matthew.br...@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellst...@linux.intel.com>
---
  drivers/gpu/drm/xe/xe_svm.c | 9 +++++++++
  1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index 974d69a39445..0a78a838508c 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -3,6 +3,7 @@
   * Copyright © 2024 Intel Corporation
   */
+#include "xe_bo.h"
  #include "xe_gt_tlb_invalidation.h"
  #include "xe_migrate.h"
  #include "xe_pt.h"
@@ -471,6 +472,13 @@ static struct xe_bo *to_xe_bo(struct drm_gpusvm_devmem 
*devmem_allocation)
        return container_of(devmem_allocation, struct xe_bo, devmem_allocation);
  }
+static void xe_svm_devmem_release(struct drm_gpusvm_devmem *devmem_allocation)
+{
+       struct xe_bo *bo = to_xe_bo(devmem_allocation);
+
+       xe_bo_put_async(bo);
+}
+

LGTM
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimi...@intel.com>

  static u64 block_offset_to_pfn(struct xe_vram_region *vr, u64 offset)
  {
        return PHYS_PFN(offset + vr->hpa_base);
@@ -506,6 +514,7 @@ static int xe_svm_populate_devmem_pfn(struct 
drm_gpusvm_devmem *devmem_allocatio
__maybe_unused
  static const struct drm_gpusvm_devmem_ops gpusvm_devmem_ops = {
+       .devmem_release = xe_svm_devmem_release,
        .populate_devmem_pfn = xe_svm_populate_devmem_pfn,
        .copy_to_devmem = xe_svm_copy_to_devmem,
        .copy_to_ram = xe_svm_copy_to_ram,

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