diff options
| author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-12-19 12:33:17 +0100 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-12-23 10:00:48 +0100 |
| commit | 0471ed20df6b92133a183d526d8f28592dbf0831 (patch) | |
| tree | b2f9fb20d714e47674d25cc20ee555a459d10ae4 /drivers/gpu | |
| parent | f1d08a5864822684773105c60528e2abb577ca6c (diff) | |
drm/xe: Use drm_gpusvm_scan_mm()
Use drm_gpusvm_scan_mm() to avoid unnecessarily calling into
drm_pagemap_populate_mm();
v3:
- New patch.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patch.msgid.link/20251219113320.183860-22-thomas.hellstrom@linux.intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_svm.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c index 3ec32f9805e3..ed4afb386ba2 100644 --- a/drivers/gpu/drm/xe/xe_svm.c +++ b/drivers/gpu/drm/xe/xe_svm.c @@ -1590,11 +1590,23 @@ struct drm_pagemap *xe_vma_resolve_pagemap(struct xe_vma *vma, struct xe_tile *t int xe_svm_alloc_vram(struct xe_svm_range *range, const struct drm_gpusvm_ctx *ctx, struct drm_pagemap *dpagemap) { - struct xe_device *xe = range_to_vm(&range->base)->xe; + struct xe_vm *vm = range_to_vm(&range->base); + enum drm_gpusvm_scan_result migration_state; + struct xe_device *xe = vm->xe; xe_assert(range_to_vm(&range->base)->xe, range->base.pages.flags.migrate_devmem); range_debug(range, "ALLOCATE VRAM"); + migration_state = drm_gpusvm_scan_mm(&range->base, + xe_svm_private_page_owner(vm, false), + dpagemap->pagemap); + + if (migration_state == DRM_GPUSVM_SCAN_EQUAL) { + if (IS_ENABLED(CONFIG_DRM_XE_DEBUG_VM)) + drm_dbg(dpagemap->drm, "Already migrated!\n"); + return 0; + } + if (IS_ENABLED(CONFIG_DRM_XE_DEBUG_VM)) drm_dbg(&xe->drm, "Request migration to device memory on \"%s\".\n", dpagemap->drm->unique); |