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Revert "linux: Make platform device probe less fragile" 

This reverts commit 74b7427c41.

https://gitlab.freedesktop.org/xorg/xserver/-/issues/1068
This commit is contained in:
Olivier Fourdan 2020-09-08 10:03:33 +02:00
parent 39cb95e959
commit af4c84ce88
2 changed files with 23 additions and 14 deletions
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17
config/udev.c
View File

@ -56,7 +56,7 @@ static struct udev_monitor *udev_monitor;
#ifdef CONFIG_UDEV_KMS
static void
config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path, const char *syspath,
config_udev_odev_setup_attribs(const char *path, const char *syspath,
int major, int minor,
config_odev_probe_proc_ptr probe_callback);
#endif
@ -128,7 +128,7 @@ device_added(struct udev_device *udev_device)
LogMessage(X_INFO, "config/udev: Adding drm device (%s)\n", path);
config_udev_odev_setup_attribs(udev_device, path, syspath, major(devnum),
config_udev_odev_setup_attribs(path, syspath, major(devnum),
minor(devnum), NewGPUDeviceRequest);
return;
}
@ -322,7 +322,7 @@ device_removed(struct udev_device *device)
LogMessage(X_INFO, "config/udev: removing GPU device %s %s\n",
syspath, path);
config_udev_odev_setup_attribs(device, path, syspath, major(devnum),
config_udev_odev_setup_attribs(path, syspath, major(devnum),
minor(devnum), DeleteGPUDeviceRequest);
/* Retry vtenter after a drm node removal */
systemd_logind_vtenter();
@ -465,24 +465,17 @@ config_udev_fini(void)
#ifdef CONFIG_UDEV_KMS
static void
config_udev_odev_setup_attribs(struct udev_device *udev_device, const char *path, const char *syspath,
config_udev_odev_setup_attribs(const char *path, const char *syspath,
int major, int minor,
config_odev_probe_proc_ptr probe_callback)
{
struct OdevAttributes *attribs = config_odev_allocate_attributes();
const char *value;
attribs->path = XNFstrdup(path);
attribs->syspath = XNFstrdup(syspath);
attribs->major = major;
attribs->minor = minor;
value = udev_device_get_property_value(udev_device, "ID_PATH");
if (value && !strncmp(value, "pci-", 4)) {
attribs->busid = XNFstrdup(value);
attribs->busid[3] = ':';
}
/* ownership of attribs is passed to probe layer */
probe_callback(attribs);
}
@ -523,7 +516,7 @@ config_udev_odev_probe(config_odev_probe_proc_ptr probe_callback)
else if (!check_seat(udev_device))
goto no_probe;
config_udev_odev_setup_attribs(udev_device, path, syspath, major(devnum),
config_udev_odev_setup_attribs(path, syspath, major(devnum),
minor(devnum), probe_callback);
no_probe:
udev_device_unref(udev_device);

20
hw/xfree86/os-support/linux/lnx_platform.c
View File

@ -23,13 +23,13 @@
static Bool
get_drm_info(struct OdevAttributes *attribs, char *path, int delayed_index)
{
drmSetVersion sv;
drmVersionPtr v;
char *buf;
int fd;
int err = 0;
Bool paused, server_fd = FALSE;
LogMessage(X_INFO, "Platform probe for %s\n", attribs->syspath);
fd = systemd_logind_take_fd(attribs->major, attribs->minor, path, &paused);
if (fd != -1) {
if (paused) {
@ -48,6 +48,18 @@ get_drm_info(struct OdevAttributes *attribs, char *path, int delayed_index)
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);
if (err) {
xf86Msg(X_ERROR, "%s: failed to set DRM interface version 1.4: %s\n",
path, strerror(-err));
goto out;
}
/* for a delayed probe we've already added the device */
if (delayed_index == -1) {
xf86_add_platform_device(attribs, FALSE);
@ -57,6 +69,10 @@ get_drm_info(struct OdevAttributes *attribs, char *path, int delayed_index)
if (server_fd)
xf86_platform_devices[delayed_index].flags |= XF86_PDEV_SERVER_FD;
buf = drmGetBusid(fd);
xf86_platform_odev_attributes(delayed_index)->busid = XNFstrdup(buf);
drmFreeBusid(buf);
v = drmGetVersion(fd);
if (!v) {
xf86Msg(X_ERROR, "%s: failed to query DRM version\n", path);