The sanitization should be limited to PCH split platforms up to display version 8. Warn and bail out otherwise. Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/display/i9xx_wm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/i9xx_wm.c b/drivers/gpu/drm/i915/display/i9xx_wm.c index f76ac64ebd71..50cdfe11192e 100644 --- a/drivers/gpu/drm/i915/display/i9xx_wm.c +++ b/drivers/gpu/drm/i915/display/i9xx_wm.c @@ -3437,6 +3437,9 @@ void ilk_wm_sanitize(struct drm_i915_private *dev_priv) if (!dev_priv->display.funcs.wm->optimize_watermarks) return; + if (drm_WARN_ON(&dev_priv->drm, DISPLAY_VER(dev_priv) >= 9)) + return; + state = drm_atomic_state_alloc(&dev_priv->drm); if (drm_WARN_ON(&dev_priv->drm, !state)) return; -- 2.34.1
