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There is no need to have a separate > helper function that is making assumption about the required size. > > Signed-off-by: Michal Wajdeczko > Cc: Piotr Piórkowski > --- > drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 3 +-- > drivers/gpu/drm/xe/xe_lmtt.c | 17 +++++++++++++++++ > drivers/gpu/drm/xe/xe_lmtt.h | 1 + > 3 files changed, 19 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c > index 888193e1d2c5..e06baf12e108 100644 > --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c > +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c > @@ -1451,8 +1451,7 @@ 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) > { > - /* this might be platform dependent */ > - return SZ_2M; > + return xe_lmtt_page_size(>->tile->sriov.pf.lmtt); > } > > static u64 pf_get_min_spare_lmem(struct xe_gt *gt) > diff --git a/drivers/gpu/drm/xe/xe_lmtt.c b/drivers/gpu/drm/xe/xe_lmtt.c > index 2077e1ef8b43..b583e0f20183 100644 > --- a/drivers/gpu/drm/xe/xe_lmtt.c > +++ b/drivers/gpu/drm/xe/xe_lmtt.c > @@ -57,6 +57,23 @@ static u64 lmtt_page_size(struct xe_lmtt *lmtt) > return BIT_ULL(lmtt->ops->lmtt_pte_shift(0)); > } > > +/** > + * xe_lmtt_page_size() - Get LMTT page size. > + * @lmtt: the &xe_lmtt > + * > + * This function shall be called only by PF. > + * > + * Return: LMTT page size. > + */ > +u64 xe_lmtt_page_size(struct xe_lmtt *lmtt) > +{ > + lmtt_assert(lmtt, IS_SRIOV_PF(lmtt_to_xe(lmtt))); > + lmtt_assert(lmtt, xe_device_has_lmtt(lmtt_to_xe(lmtt))); > + lmtt_assert(lmtt, lmtt->ops); > + > + return lmtt_page_size(lmtt); > +} > + > static struct xe_lmtt_pt *lmtt_pt_alloc(struct xe_lmtt *lmtt, unsigned int level) > { > unsigned int num_entries = level ? lmtt->ops->lmtt_pte_num(level) : 0; > diff --git a/drivers/gpu/drm/xe/xe_lmtt.h b/drivers/gpu/drm/xe/xe_lmtt.h > index 75a234fbf367..8fa387b38c52 100644 > --- a/drivers/gpu/drm/xe/xe_lmtt.h > +++ b/drivers/gpu/drm/xe/xe_lmtt.h > @@ -20,6 +20,7 @@ int xe_lmtt_prepare_pages(struct xe_lmtt *lmtt, unsigned int vfid, u64 range); > int xe_lmtt_populate_pages(struct xe_lmtt *lmtt, unsigned int vfid, struct xe_bo *bo, u64 offset); > void xe_lmtt_drop_pages(struct xe_lmtt *lmtt, unsigned int vfid); > u64 xe_lmtt_estimate_pt_size(struct xe_lmtt *lmtt, u64 size); > +u64 xe_lmtt_page_size(struct xe_lmtt *lmtt); > #else > static inline int xe_lmtt_init(struct xe_lmtt *lmtt) { return 0; } > static inline void xe_lmtt_init_hw(struct xe_lmtt *lmtt) { } > -- LGTM: Reviewed-by: Piotr Piórkowski > 2.47.1 > --