diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index 25ce7b62d4d5..33b3c9233eac 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -824,11 +824,20 @@ void intel_fbdev_restore_mode(struct drm_device *dev) { int ret; struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_fbdev *ifbdev = dev_priv->fbdev; + struct drm_fb_helper *fb_helper; - if (!dev_priv->fbdev) + if (!ifbdev) return; - ret = drm_fb_helper_restore_fbdev_mode_unlocked(&dev_priv->fbdev->helper); - if (ret) + fb_helper = &ifbdev->helper; + + ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper); + if (ret) { DRM_DEBUG("failed to restore crtc mode\n"); + } else { + mutex_lock(&fb_helper->dev->struct_mutex); + intel_fb_obj_invalidate(ifbdev->fb->obj, ORIGIN_GTT); + mutex_unlock(&fb_helper->dev->struct_mutex); + } }