drm/xe: Use fb cached min alignment

Instead of just looking at the first plane use the fb cached overall
minimum alignment.

This aligns with how the i915 version of intel_plane_pin_fb works.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
[vsyrjala: Rebase due to pin_params]
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260430154602.11393-1-ville.syrjala@linux.intel.com
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
This commit is contained in:
Tvrtko Ursulin 2026-04-30 18:46:01 +03:00 • committed by Ville Syrjälä
commit 53bfcc08af