Commit 6d09a56b authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/pf: Don't use LMTT page size if no LMTT 



While today all our DGFX platforms have LMTT, we already started
preparation to do not rely on this assumption. Add check for the
LMTT presence and return default page size as VRAM/LMEM alignment
if there is no LMTT.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarMatthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260221152230.7071-4-michal.wajdeczko@intel.com
parent 494752bd

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c

+2 −1
Original line number Diff line number Diff line
@@ -1451,7 +1451,8 @@ int xe_gt_sriov_pf_config_set_fair_dbs(struct xe_gt *gt, unsigned int vfid, 


static u64 pf_get_lmem_alignment(struct xe_gt *gt)

{

	return xe_lmtt_page_size(&gt->tile->sriov.pf.lmtt);

	return xe_device_has_lmtt(gt_to_xe(gt)) ?

		xe_lmtt_page_size(&gt_to_tile(gt)->sriov.pf.lmtt) : XE_PAGE_SIZE;

}



static u64 pf_get_min_spare_lmem(struct xe_gt *gt)