Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

[karo-tx-linux.git] / drivers / video / fb_defio.c

diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index c27e153d8882053e2d28ab72cfc784875752f337..1ddeb11659d4db9e0023f07d98e5c7c189e97535 100644 (file)
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -23,7 +23,7 @@
 #include <linux/rmap.h>
 #include <linux/pagemap.h>
 
-struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs)
+static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs)
 {
        void *screen_base = (void __force *) info->screen_base;
        struct page *page;
@@ -107,6 +107,10 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma,
        /* protect against the workqueue changing the page list */
        mutex_lock(&fbdefio->lock);
 
+       /* first write in this cycle, notify the driver */
+       if (fbdefio->first_io && list_empty(&fbdefio->pagelist))
+               fbdefio->first_io(info);
+
        /*
         * We want the page to remain locked from ->page_mkwrite until
         * the PTE is marked dirty to avoid page_mkclean() being called