Revert "drm/i915/dsi: filter invalid backlight and CABC ports"

This reverts commit d9d2625 which is
commit 607f417 upstream.

This is part of a series of i915 patches that were backported to 5.19.12
but found to be incomplete and caused problems on many systems so they
are being reverted.

Reported-by: Jerry Ling <jiling@cern.ch>
Reported-by: Hans de Goede <hdegoede@redhat.com>
Cc: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Sasha Levin <sashal@kernel.org>
Link: https://lore.kernel.org/all/55905860-adf9-312c-69cc-491ac8ce1a8b@cern.ch/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -2072,14 +2072,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	else
 		intel_dsi->ports = BIT(port);
 
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.bl_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.bl_ports &= intel_dsi->ports;
-
 	intel_dsi->dcs_backlight_ports = intel_connector->panel.vbt.dsi.bl_ports;
-
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.cabc_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.cabc_ports &= intel_dsi->ports;
-
 	intel_dsi->dcs_cabc_ports = intel_connector->panel.vbt.dsi.cabc_ports;
 
 	for_each_dsi_port(port, intel_dsi->ports) {

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

@@ -1933,14 +1933,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	else
 		intel_dsi->ports = BIT(port);
 
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.bl_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.bl_ports &= intel_dsi->ports;
-
 	intel_dsi->dcs_backlight_ports = intel_connector->panel.vbt.dsi.bl_ports;
-
-	if (drm_WARN_ON(&dev_priv->drm, intel_connector->panel.vbt.dsi.cabc_ports & ~intel_dsi->ports))
-		intel_connector->panel.vbt.dsi.cabc_ports &= intel_dsi->ports;
-
 	intel_dsi->dcs_cabc_ports = intel_connector->panel.vbt.dsi.cabc_ports;
 
 	/* Create a DSI host (and a device) for each port. */