Commit 7380f545 authored by Jani Nikula's avatar Jani Nikula
Browse files

drm/i915/wm: warn about ilk_wm_sanitize() on display ver 9+ 



The sanitization should be limited to PCH split platforms up to display
version 8. Warn and bail out otherwise.

Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230215141910.433043-2-jani.nikula@intel.com
parent 3dadb4a1

drivers/gpu/drm/i915/display/i9xx_wm.c

+3 −0
Original line number Diff line number Diff line
@@ -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;