andreacavalli/xserver-multidpi
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xfree86: Keep trying to set interface on drm for 2 seconds.

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And if we've had to delay booting due to not being able to set the
interface, fess up.

Signed-off-by: Bryce Harrington <bryce@canonical.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Bryce Harrington 2013-03-19 12:12:44 -07:00 committed by Keith Packard
parent d1cc210de8
commit c31eac647a
1 changed files with 15 additions and 5 deletions
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20
hw/xfree86/os-support/linux/lnx_platform.c
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@ -26,16 +26,26 @@ get_drm_info(struct OdevAttributes *attribs, char *path)
char *buf;
int fd;
int err = 0;
int tries = 0;
fd = open(path, O_RDWR, O_CLOEXEC);
if (fd == -1)
return FALSE;
sv.drm_di_major = 1;
sv.drm_di_minor = 4;
sv.drm_dd_major = -1; /* Don't care */
sv.drm_dd_minor = -1; /* Don't care */
err = drmSetInterfaceVersion(fd, &sv);
while (tries++ < 200) {
sv.drm_di_major = 1;
sv.drm_di_minor = 4;
sv.drm_dd_major = -1; /* Don't care */
sv.drm_dd_minor = -1; /* Don't care */
err = drmSetInterfaceVersion(fd, &sv);
if (!err) {
if (tries > 1)
LogMessage(X_INFO, "setversion 1.4 succeeded on try #%d\n", tries);
break;
}
usleep(10000);
}
if (err) {
ErrorF("setversion 1.4 failed: %s\n", strerror(-err));
goto out;