static void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y,
u32 width, u32 height)
{
- struct fb_info *info = helper->info;
-
drm_fb_helper_add_damage_clip(helper, x, y, width, height);
- /*
- * The current fbdev emulation only flushes buffers if a damage
- * update is necessary. And we can assume that deferred I/O has
- * been enabled as damage updates require deferred I/O for mmap.
- */
- fb_deferred_io_schedule_flush(info);
+ schedule_work(&helper->damage_work);
}
/*
mutex_destroy(&fbdefio->lock);
}
EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);
-
-void fb_deferred_io_schedule_flush(struct fb_info *info)
-{
- struct fb_deferred_io *fbdefio = info->fbdefio;
-
- if (WARN_ON_ONCE(!fbdefio))
- return; /* bug in driver logic */
-
- /*
- * There's no requirement from callers to schedule the
- * flush immediately. Rather schedule the worker with a
- * delay and let a few more writes pile up.
- */
- schedule_delayed_work(&info->deferred_work, fbdefio->delay);
-}
-EXPORT_SYMBOL_GPL(fb_deferred_io_schedule_flush);
struct inode *inode,
struct file *file);
extern void fb_deferred_io_cleanup(struct fb_info *info);
-extern void fb_deferred_io_schedule_flush(struct fb_info *info);
extern int fb_deferred_io_fsync(struct file *file, loff_t start,
loff_t end, int datasync);