drm/i915: Suspend the framebuffer console earlier during system suspend

Suspend the FB console early during system suspend to prevent new FB
probe/modeset cycles interfering with the HW uninitialization steps in a
similar way as during driver shutdown as described in the previous
patch.

Link: https://patchwork.freedesktop.org/patch/msgid/20240104083008.2715733-7-imre.deak@intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>

Author: ideak

drivers/gpu/drm/i915/i915_driver.c

@@ -1080,6 +1080,7 @@ static int i915_drm_suspend(struct drm_device *dev)
 	/* We do a lot of poking in a lot of registers, make sure they work
 	 * properly. */
 	intel_power_domains_disable(dev_priv);
+	intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
 	if (HAS_DISPLAY(dev_priv))
 		drm_kms_helper_poll_disable(dev);
 
@@ -1103,8 +1104,6 @@ static int i915_drm_suspend(struct drm_device *dev)
 	opregion_target_state = suspend_to_idle(dev_priv) ? PCI_D1 : PCI_D3cold;
 	intel_opregion_suspend(dev_priv, opregion_target_state);
 
-	intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
-
 	dev_priv->suspend_count++;
 
 	intel_dmc_suspend(dev_priv);