Re: [PATCH 2/3] drm/xe/pf: Don't use LMTT page size if no LMTT

[Matthew Brost <matthew.brost@intel.com>]

On Fri, Feb 20, 2026 at 09:18:54PM +0100, Michal Wajdeczko wrote:
> 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.
> 

Nit: This should be the 3rd patch in the series.

Anyways LGTM:
Reviewed-by: Matthew Brost <matthew.brost@intel.com>

> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> ---
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> 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 6383763d02ab..3ae83cffe925 100644
> --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
> +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c
> @@ -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)
> -- 
> 2.47.1
>