drm/i915/pch: Save/restore PCH_PORT_HOTPLUG across suspend

[~andy/linux] / drivers / gpu / drm / i915 / i915_suspend.c

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 5257cfc34c3570641929cbb7825d469093170a36..27693c05c6d2248d473556dbbc472a131fdd51cb 100644 (file)
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -814,6 +814,7 @@ int i915_save_state(struct drm_device *dev)
                dev_priv->saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR);
                dev_priv->saveMCHBAR_RENDER_STANDBY =
                        I915_READ(RSTDBYCTL);
+               dev_priv->savePCH_PORT_HOTPLUG = I915_READ(PCH_PORT_HOTPLUG);
        } else {
                dev_priv->saveIER = I915_READ(IER);
                dev_priv->saveIMR = I915_READ(IMR);
@@ -865,6 +866,7 @@ int i915_restore_state(struct drm_device *dev)
                I915_WRITE(GTIMR, dev_priv->saveGTIMR);
                I915_WRITE(_FDI_RXA_IMR, dev_priv->saveFDI_RXA_IMR);
                I915_WRITE(_FDI_RXB_IMR, dev_priv->saveFDI_RXB_IMR);
+               I915_WRITE(PCH_PORT_HOTPLUG, dev_priv->savePCH_PORT_HOTPLUG);
        } else {
                I915_WRITE(IER, dev_priv->saveIER);
                I915_WRITE(IMR, dev_priv->saveIMR);