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: 7d4561722c3b ("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 f002f7c7439de18117a31ca84dc87a59719c3dd6)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>

diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index d45b3bcc6ef0b573d2675d4148d2caa1fca20482..e0ac4e2ce4dcb62203a52e58fa1b6b3ad10ba3f7 100644 (file)
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -4028,8 +4028,8 @@ void intel_wm_state_verify(struct intel_atomic_state *state,
                }
 
                /* DDB */
-               hw_ddb_entry = &hw->ddb[PLANE_CURSOR];
-               sw_ddb_entry = &new_crtc_state->wm.skl.plane_ddb[PLANE_CURSOR];
+               hw_ddb_entry = &hw->ddb[plane->id];
+               sw_ddb_entry = &new_crtc_state->wm.skl.plane_ddb[plane->id];
 
                if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) {
                        drm_err(display->drm,