The callback fb_probe in struct drm_fb_helper is unused. Remove it.
New drivers should set struct drm_driver.fbdev_probe instead and call
drm_client_setup() to instantiate in-kernel DRM clients.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/drm_fb_helper.c | 8 ++++----
include/drm/drm_fb_helper.h | 17 -----------------
2 files changed, 4 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 148de5727702..4968676a88a9 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1625,6 +1625,9 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper)
struct fb_info *info;
int ret;
+ if (drm_WARN_ON(dev, !dev->driver->fbdev_probe))
+ return -EINVAL;
+
ret = drm_fb_helper_find_sizes(fb_helper, &sizes);
if (ret) {
/* First time: disable all crtc's.. */
@@ -1634,10 +1637,7 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper)
}
/* push down into drivers */
- if (dev->driver->fbdev_probe)
- ret = dev->driver->fbdev_probe(fb_helper, &sizes);
- else if (fb_helper->funcs)
- ret = fb_helper->funcs->fb_probe(fb_helper, &sizes);
+ ret = dev->driver->fbdev_probe(fb_helper, &sizes);
if (ret < 0)
return ret;
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 3dcb9a60e408..56cf0cae3321 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -69,23 +69,6 @@ struct drm_fb_helper_surface_size {
* Driver callbacks used by the fbdev emulation helper library.
*/
struct drm_fb_helper_funcs {
- /**
- * @fb_probe:
- *
- * Driver callback to allocate and initialize the fbdev info structure.
- * Furthermore it also needs to allocate the DRM framebuffer used to
- * back the fbdev.
- *
- * This callback is mandatory.
- *
- * RETURNS:
- *
- * The driver should return 0 on success and a negative error code on
- * failure.
- */
- int (*fb_probe)(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes);
-
/**
* @fb_dirty:
*
--
2.46.0
