drm/udl: Switch to atomic suspend/resume helpers

We can use the generic suspend/resume helpers for atomic modesetting.
Switch udl over.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-4-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index aeb9692..b3fa6bf 100644 (file)
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -21,17 +21,14 @@ static int udl_usb_suspend(struct usb_interface *interface,
 {
        struct drm_device *dev = usb_get_intfdata(interface);
 
-       drm_kms_helper_poll_disable(dev);
-       return 0;
+       return drm_mode_config_helper_suspend(dev);
 }
 
 static int udl_usb_resume(struct usb_interface *interface)
 {
        struct drm_device *dev = usb_get_intfdata(interface);
 
-       drm_kms_helper_poll_enable(dev);
-       udl_modeset_restore(dev);
-       return 0;
+       return drm_mode_config_helper_resume(dev);
 }
 
 DEFINE_DRM_GEM_FOPS(udl_driver_fops);

diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index c7f32c4..e98d704 100644 (file)
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -72,7 +72,6 @@ struct udl_device {
 
 /* modeset */
 int udl_modeset_init(struct drm_device *dev);
-void udl_modeset_restore(struct drm_device *dev);
 void udl_modeset_cleanup(struct drm_device *dev);
 struct drm_connector *udl_connector_init(struct drm_device *dev);
 

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 36b7844..cde6b7f 100644 (file)
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -438,20 +438,6 @@ err_drm_mode_config_cleanup:
        return ret;
 }
 
-void udl_modeset_restore(struct drm_device *dev)
-{
-       struct udl_device *udl = dev->dev_private;
-       struct drm_crtc *crtc = &udl->display_pipe.crtc;
-       struct drm_plane *primary = &udl->display_pipe.plane;
-       struct drm_framebuffer *fb = primary->fb;
-
-       if (!fb)
-               return;
-
-       udl_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
-       udl_handle_damage(fb, 0, 0, fb->width, fb->height);
-}
-
 void udl_modeset_cleanup(struct drm_device *dev)
 {
        drm_mode_config_cleanup(dev);