This adds helpers for the drm_driver->last_close and the drm_mode_config_funcs->output_poll_changed callbacks.
Signed-off-by: Noralf Trønnes noralf@tronnes.org --- drivers/gpu/drm/drm_fb_helper.c | 32 ++++++++++++++++++++++++++++++++ include/drm/drm_fb_helper.h | 10 ++++++++++ 2 files changed, 42 insertions(+)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index ca8a961..a98cc2c 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -226,6 +226,38 @@ void drm_fb_helper_simple_fini(struct drm_device *dev) } EXPORT_SYMBOL_GPL(drm_fb_helper_simple_fini);
+/** + * drm_fb_helper_lastclose - DRM driver lastclose helper for fbdev emulation + * @dev: DRM device + * + * This function can be used as the &drm_driver->lastclose callback for drivers + * that only need to call drm_fb_helper_restore_fbdev_mode_unlocked(). + * + * Note: &drm_device->fbdev needs to be set. + */ +void drm_fb_helper_lastclose(struct drm_device *dev) +{ + drm_fb_helper_restore_fbdev_mode_unlocked(dev->fbdev); +} +EXPORT_SYMBOL(drm_fb_helper_lastclose); + +/** + * drm_fb_helper_output_poll_changed - DRM mode config .output_poll_changed + * helper for fbdev emulation + * @dev: DRM device + * + * This function can be used as the + * &drm_mode_config_funcs.output_poll_changed callback for drivers that only + * need to call drm_fb_helper_hotplug_event(). + * + * Note: &drm_device->fbdev needs to be set. + */ +void drm_fb_helper_output_poll_changed(struct drm_device *dev) +{ + drm_fb_helper_hotplug_event(dev->fbdev); +} +EXPORT_SYMBOL(drm_fb_helper_output_poll_changed); + #define drm_fb_helper_for_each_connector(fbh, i__) \ for (({ lockdep_assert_held(&(fbh)->lock); }), \ i__ = 0; i__ < (fbh)->connector_count; i__++) diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 6503f4c..2558425 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -246,6 +246,8 @@ int drm_fb_helper_simple_init(struct drm_device *dev, const struct drm_fb_helper_funcs *funcs, unsigned int bpp, int max_conn); void drm_fb_helper_simple_fini(struct drm_device *dev); +void drm_fb_helper_lastclose(struct drm_device *dev); +void drm_fb_helper_output_poll_changed(struct drm_device *dev); void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, const struct drm_fb_helper_funcs *funcs); int drm_fb_helper_init(struct drm_device *dev, @@ -328,6 +330,14 @@ static inline void drm_fb_helper_simple_fini(struct drm_device *dev) { }
+static inline void drm_fb_helper_lastclose(struct drm_device *dev) +{ +} + +static inline void drm_fb_helper_output_poll_changed(struct drm_device *dev) +{ +} + static inline void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, const struct drm_fb_helper_funcs *funcs)