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config/udev: ignore change on drm devices 

for input devices we handle change like remove/add, but for
drm devices we get change events when we hotplug outputs,
so lets just ignore change at this level, and let the drivers
handle it. We may in the future want to route driver udev
from here instead.

Reported-by: Timo Aaltonen <timo.aaltonen@canonical.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-09-13 18:44:06 +10:00 committed by Dave Airlie
parent 10672a5abe
commit e0b92f5f86
1 changed files with 7 additions and 1 deletions
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8
config/udev.c
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@ -300,9 +300,15 @@ wakeup_handler(pointer data, int err, pointer read_mask)
return;
action = udev_device_get_action(udev_device);
if (action) {
if (!strcmp(action, "add") || !strcmp(action, "change")) {
if (!strcmp(action, "add")) {
device_removed(udev_device);
device_added(udev_device);
} else if (!strcmp(action, "change")) {
/* ignore change for the drm devices */
if (strcmp(udev_device_get_subsystem(udev_device), "drm")) {
device_removed(udev_device);
device_added(udev_device);
}
}
else if (!strcmp(action, "remove"))
device_removed(udev_device);