diff options
| author | Aleksey Kuleshov <rndfax@yandex.ru> | 2015-11-06 08:52:18 +0300 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-11-06 07:35:11 +0100 |
| commit | f72056d14e9cb309b7127033da07be1bb678a5fc (patch) | |
| tree | 99080dd0c3b8411f6e92ba2cde0d3d6e2b8484a4 /drivers | |
| parent | 769ddc6133cd8a6d0bca7356a9f6b7b718f16dbf (diff) | |
| download | barebox-f72056d14e9cb309b7127033da07be1bb678a5fc.tar.gz barebox-f72056d14e9cb309b7127033da07be1bb678a5fc.tar.xz | |
fb: satisfy semantics for shadowfb's alloc/free
Console enable -> alloc shadowfb.
Console disable -> free shadowfb.
Otherwise, if resolution gets changed, shadowfb will not be affected.
Signed-off-by: Aleksey Kuleshov <rndfax@yandex.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/fb.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/video/fb.c b/drivers/video/fb.c index 3672c44202..bd8bab0496 100644 --- a/drivers/video/fb.c +++ b/drivers/video/fb.c @@ -31,6 +31,12 @@ static int fb_ioctl(struct cdev* cdev, int req, void *data) return 0; } +static void fb_release_shadowfb(struct fb_info *info) +{ + free(info->screen_base_shadow); + info->screen_base_shadow = NULL; +} + static int fb_alloc_shadowfb(struct fb_info *info) { if (info->screen_base_shadow && info->shadowfb) @@ -47,8 +53,7 @@ static int fb_alloc_shadowfb(struct fb_info *info) memcpy(info->screen_base_shadow, info->screen_base, info->line_length * info->yres); } else { - free(info->screen_base_shadow); - info->screen_base_shadow = NULL; + fb_release_shadowfb(info); } return 0; @@ -79,6 +84,8 @@ int fb_disable(struct fb_info *info) info->fbops->fb_disable(info); + fb_release_shadowfb(info); + info->enabled = false; return 0; |