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xfree86: fbdevhw: try framebuffers 1 through 7 on the fallback probe

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Signed-off-by: stefan11111 <stefan11111@shitposting.expert>
This commit is contained in:
stefan11111
2025-07-24 00:32:13 +03:00
committed by Enrico Weigelt
parent 9b30bb93f3
commit 1e7c19a2ec
1 changed files with 8 additions and 1 deletions
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9
hw/xfree86/fbdevhw/fbdevhw.c
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@@ -374,13 +374,20 @@ fbdev_open(int scrnIndex, const char *dev, char **namep)
dev = "/dev/fb0";
fd = open(dev, O_RDWR);
if (fd == -1) {
/* last try: default device symlink */
/* second try: default device symlink */
/* TODO: we should try this one before /dev/fb0,
but we keep it like this to not change old behavior */
dev = "/dev/fb";
fd = open(dev, O_RDWR);
}
/* last tries, framebuffers 1 through 7 */
char devbuf[] = "/dev/fb1";
for (int i = 1; i < 8 && fd == -1; i++) {
devbuf[sizeof(devbuf) - 2] = i + '0';
fd = open(devbuf, O_RDWR);
}
if (fd == -1) {
xf86DrvMsg(scrnIndex, X_ERROR, "open %s: %s\n", dev, strerror(errno));
return -1;