diff options
Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index d207ea376c0a..c91240598471 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -781,7 +781,9 @@ EXPORT_SYMBOL(drm_fb_helper_init); * @fb_helper: driver-allocated fbdev helper * * A helper to alloc fb_info and the members cmap and apertures. Called - * by the driver within the fb_probe fb_helper callback function. + * by the driver within the fb_probe fb_helper callback function. Drivers do not + * need to release the allocated fb_info structure themselves, this is + * automatically done when calling drm_fb_helper_fini(). * * RETURNS: * fb_info pointer if things went okay, pointer containing error code @@ -835,29 +837,6 @@ void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper) EXPORT_SYMBOL(drm_fb_helper_unregister_fbi); /** - * drm_fb_helper_release_fbi - dealloc fb_info and its members - * @fb_helper: driver-allocated fbdev helper - * - * A helper to free memory taken by fb_info and the members cmap and - * apertures - */ -void drm_fb_helper_release_fbi(struct drm_fb_helper *fb_helper) -{ - if (fb_helper) { - struct fb_info *info = fb_helper->fbdev; - - if (info) { - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } - - fb_helper->fbdev = NULL; - } -} -EXPORT_SYMBOL(drm_fb_helper_release_fbi); - -/** * drm_fb_helper_fini - finialize a &struct drm_fb_helper * @fb_helper: driver-allocated fbdev helper * @@ -866,9 +845,19 @@ EXPORT_SYMBOL(drm_fb_helper_release_fbi); */ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) { - if (!drm_fbdev_emulation) + struct fb_info *info; + + if (!drm_fbdev_emulation || !fb_helper) return; + info = fb_helper->fbdev; + if (info) { + if (info->cmap.len) + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); + } + fb_helper->fbdev = NULL; + mutex_lock(&kernel_fb_helper_lock); if (!list_empty(&fb_helper->kernel_fb_list)) { list_del(&fb_helper->kernel_fb_list); |