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authorNoralf Trønnes <noralf@tronnes.org>2017-10-30 18:39:39 +0300
committerNoralf Trønnes <noralf@tronnes.org>2017-10-31 21:06:31 +0300
commit304a4f6accac4add4967fc062069fc8421c46aae (patch)
tree49381ba21019bb5277678eecf9cb80d4e6f48a51 /drivers/gpu/drm/drm_fb_helper.c
parent29ad20b22c8f3ab35e91c2f68b4c7956cee30fd0 (diff)
downloadlinux-304a4f6accac4add4967fc062069fc8421c46aae.tar.xz
drm/fb-helper: Add .last_close and .output_poll_changed helpers
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> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20171030153951.56269-4-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 19aaca9fea06..defd6a76fef3 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -2633,6 +2633,34 @@ int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
}
EXPORT_SYMBOL(drm_fb_helper_hotplug_event);
+/**
+ * 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().
+ */
+void drm_fb_helper_lastclose(struct drm_device *dev)
+{
+ drm_fb_helper_restore_fbdev_mode_unlocked(dev->fb_helper);
+}
+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().
+ */
+void drm_fb_helper_output_poll_changed(struct drm_device *dev)
+{
+ drm_fb_helper_hotplug_event(dev->fb_helper);
+}
+EXPORT_SYMBOL(drm_fb_helper_output_poll_changed);
+
/* The Kconfig DRM_KMS_HELPER selects FRAMEBUFFER_CONSOLE (if !EXPERT)
* but the module doesn't depend on any fb console symbols. At least
* attempt to load fbcon to avoid leaving the system without a usable console.