[RFC PATCH 21/28] drm/xe: Add Xe SVM vram_release vfunc

[Matthew Brost]

Implement with a simple BO put.

Signed-off-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_svm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index 82cb5a260c87..4372c02a341f 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -5,6 +5,7 @@
 
 #include "drm_gpusvm.h"
 
+#include "xe_bo.h"
 #include "xe_gt_tlb_invalidation.h"
 #include "xe_migrate.h"
 #include "xe_pt.h"
@@ -422,6 +423,11 @@ static int xe_svm_copy_to_sram(struct drm_gpusvm *gpusvm, struct page **pages,
 			   XE_SVM_COPY_TO_SRAM);
 }
 
+static void xe_svm_vram_release(void *vram_allocation)
+{
+	xe_bo_put(vram_allocation);
+}
+
 static u64 block_offset_to_pfn(struct xe_mem_region *mr, u64 offset)
 {
 	return PHYS_PFN(offset + mr->hpa_base);
@@ -460,6 +466,7 @@ static int xe_svm_populate_vram_pfn(struct drm_gpusvm *gpusvm,
 static const struct drm_gpusvm_ops gpusvm_ops = {
 	.range_alloc = xe_svm_range_alloc,
 	.range_free = xe_svm_range_free,
+	.vram_release = xe_svm_vram_release,
 	.populate_vram_pfn = xe_svm_populate_vram_pfn,
 	.copy_to_vram = xe_svm_copy_to_vram,
 	.copy_to_sram = xe_svm_copy_to_sram,
-- 
2.34.1