diff options
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 5eb2f0d4bf8d..e0384f967c0b 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -89,11 +89,13 @@ static DEFINE_MUTEX(kernel_fb_helper_lock); * It will automatically set up deferred I/O if the driver requires a shadow * buffer. * - * At runtime drivers should restore the fbdev console by using + * Existing fbdev implementations should restore the fbdev console by using * drm_fb_helper_lastclose() as their &drm_driver.lastclose callback. * They should also notify the fb helper code from updates to the output * configuration by using drm_fb_helper_output_poll_changed() as their - * &drm_mode_config_funcs.output_poll_changed callback. + * &drm_mode_config_funcs.output_poll_changed callback. New implementations + * of fbdev should be build on top of struct &drm_client_funcs, which handles + * this automatically. Setting the old callbacks should be avoided. * * For suspend/resume consider using drm_mode_config_helper_suspend() and * drm_mode_config_helper_resume() which takes care of fbdev as well. |