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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-11 10:31:07 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-11 10:31:07 +0100 |
| commit | 9e9fd65d1fa51d919d54d731be0e66492b5b6c5a (patch) | |
| tree | a1c7bd35ccff62ff2e678514d3599110f18f113a /drivers/video/fb_defio.c | |
| parent | 05644147064acabb8587c4cbd690047494f7b3a1 (diff) | |
| parent | 5b063b87deba33ed1676db9d16c52ede662132d8 (diff) | |
Merge branch 'pl022' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into spi-next
Diffstat (limited to 'drivers/video/fb_defio.c')
| -rw-r--r-- | drivers/video/fb_defio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index c27e153d8882..1ddeb11659d4 100644 --- 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 |