The framebuffers console fbcon_startup() increments the tegra_drm module 'use' refcount via try_module_get(), causing an interlock of the DRM subsys and the tegra_drm modules. In result, the tegra_drm module can't be unloaded using rmmod.
Signed-off-by: Dmitry Osipenko digetx@gmail.com --- drivers/gpu/drm/tegra/fb.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index 25acb73ee728..75e102ffdc86 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -202,7 +202,6 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
#ifdef CONFIG_DRM_FBDEV_EMULATION static struct fb_ops tegra_fb_ops = { - .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_fillrect = drm_fb_helper_sys_fillrect, .fb_copyarea = drm_fb_helper_sys_copyarea,