drm/i915/wm: Verify the correct plane DDB entry

Actually verify the DDB entry for the plane we're looking
at instead of always verifying the cursor DDB.

Fixes: 7d4561722c ("drm/i915: Tweak plane ddb allocation tracking")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260324134843.2364-5-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
(cherry picked from commit f002f7c743)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
This commit is contained in:
Ville Syrjälä 2026-03-24 15:48:38 +02:00 • committed by Tvrtko Ursulin
commit a97c88a176