Commit 28b2a218 authored by Michal Wajdeczko's avatar Michal Wajdeczko Committed by Michał Winiarski
Browse files

drm/xe/pf: Request 64K aligned allocations for LMTT PD 



The LMTT Page Directory, as well as the directory entries, must be
aligned on a 64KB boundary in VRAM. Use explicit alignment flag to
match hardware requirement.

Bspec: 52404, 67468
Cc: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240313104132.1045-3-michal.wajdeczko@intel.com


Signed-off-by: default avatarMichał Winiarski <michal.winiarski@intel.com>
parent 6583b083

drivers/gpu/drm/xe/xe_lmtt.c

+1 −1
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ static struct xe_lmtt_pt *lmtt_pt_alloc(struct xe_lmtt *lmtt, unsigned int level 
					     lmtt->ops->lmtt_pte_num(level)),

				  ttm_bo_type_kernel,

				  XE_BO_CREATE_VRAM_IF_DGFX(lmtt_to_tile(lmtt)) |

				  XE_BO_CREATE_PINNED_BIT);

				  XE_BO_NEEDS_64K | XE_BO_CREATE_PINNED_BIT);

	if (IS_ERR(bo)) {

		err = PTR_ERR(bo);

		goto out_free_pt;