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fb:add select overlay FB_NO_OVERLAY

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It is expected that select_overlay can switch from overlay to main
plane.

Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>
This commit is contained in:
jianglianfang 2024-04-03 15:08:16 +08:00 committed by Xiang Xiao
parent cc8d453b5a
commit 7abd460131
1 changed files with 7 additions and 6 deletions
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13
drivers/video/fb.c
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@ -553,7 +553,7 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
{
FAR struct inode *inode;
FAR struct fb_chardev_s *fb;
int ret;
int ret = OK;
ginfo("cmd: %d arg: %ld\n", cmd, arg);
@ -670,8 +670,12 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
DEBUGASSERT(priv != NULL && fb->vtable != NULL &&
fb->vtable->getoverlayinfo != NULL);
memset(&oinfo, 0, sizeof(oinfo));
ret = fb->vtable->getoverlayinfo(fb->vtable, arg, &oinfo);
if (arg != FB_NO_OVERLAY)
{
memset(&oinfo, 0, sizeof(oinfo));
ret = fb->vtable->getoverlayinfo(fb->vtable, arg, &oinfo);
}
if (ret >= 0)
{
priv->overlay = arg;
@ -817,7 +821,6 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
DEBUGASSERT(power != NULL && fb->vtable != NULL &&
fb->vtable->getpower != NULL);
*(power) = fb->vtable->getpower(fb->vtable);
ret = OK;
}
break;
@ -828,7 +831,6 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
DEBUGASSERT(rate != NULL && fb->vtable != NULL &&
fb->vtable->getframerate != NULL);
*(rate) = fb->vtable->getframerate(fb->vtable);
ret = OK;
}
break;
@ -862,7 +864,6 @@ static int fb_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
case FBIOSET_VSYNCOFFSET:
{
fb->vsyncoffset = USEC2TICK(arg);
ret = OK;
}
break;