From 5951fed85cf18763158c5fa5d27df98c789ae5d8 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Wed, 5 Mar 2025 17:26:51 -0800 Subject: [PATCH] drm/xe: Add Xe SVM devmem_release GPU SVM vfunc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Thomas Hellström Reviewed-by: Himal Prasad Ghimiray Link: https://patchwork.freedesktop.org/patch/msgid/20250306012657.3505757-27-matthew.brost@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 e063b7d731c3..5075704b562d 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" @@ -467,6 +468,13 @@ 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); +} + static u64 block_offset_to_pfn(struct xe_vram_region *vr, u64 offset) { return PHYS_PFN(offset + vr->hpa_base); @@ -502,6 +510,7 @@ 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,