> Fix by using drm_fb_helper_lastclose() which checks if fbdev is in use.
> static int drm_fbdev_client_restore(struct drm_client_dev *client)
> {
> - struct drm_fb_helper *fb_helper = drm_fb_helper_from_client(client);
> -
> - drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
> + drm_fb_helper_lastclose(client->dev);
>
> return 0;
> }
Hmm, at least the drm_fb_helper_lastclose() version I'm looking at
(branch drm-misc-next) just calls
drm_fb_helper_restore_fbdev_mode_unlocked without any check ...
cheers,
Gerd
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