Commit d6fb4f01 authored by Maarten Lankhorst's avatar Maarten Lankhorst Committed by Thomas Hellström
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: 794f5493 ("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


(cherry picked from commit 531bef26)
Signed-off-by: default avatarThomas Hellström <thomas.hellstrom@linux.intel.com>
parent 19272b37

drivers/gpu/drm/xe/xe_svm.c

+1 −1
Original line number Diff line number Diff line
@@ -764,7 +764,7 @@ static bool xe_svm_range_needs_migrate_to_vram(struct xe_svm_range *range, 
		return false;

	}



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

	if (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;

	}