Commit 531bef26 authored by Maarten Lankhorst's avatar Maarten Lankhorst
Browse files

drm/xe/svm: Fix regression disallowing 64K SVM migration 

When changing the condition from >= SZ_64K, it was changed to <= SZ_64K.
This disallows migration of 64K, which is the exact minimum allowed.

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/5057


Fixes: a9ac0fa4 ("drm/xe: Strict migration policy for atomic SVM faults")
Cc: stable@vger.kernel.org
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: default avatarHimal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: default avatarMaarten Lankhorst <dev@lankhorst.se>
Link: https://lore.kernel.org/r/20250521090102.2965100-1-dev@lankhorst.se
parent c12c729e

drivers/gpu/drm/xe/xe_svm.c

+1 −1
Original line number Diff line number Diff line
@@ -820,7 +820,7 @@ bool xe_svm_range_needs_migrate_to_vram(struct xe_svm_range *range, struct xe_vm 
		return false;

	}



	if (preferred_region_is_vram && range_size <= SZ_64K && !supports_4K_migration(vm->xe)) {

	if (preferred_region_is_vram && range_size < SZ_64K && !supports_4K_migration(vm->xe)) {

		drm_dbg(&vm->xe->drm, "Platform doesn't support SZ_4K range migration\n");

		return false;

	}