3 files changed, 40 insertions, 13 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c
index 7c3e479e5..36b92a9f7 100644
--- a/xorg-server/hw/xfree86/common/xf86Xinput.c
+++ b/xorg-server/hw/xfree86/common/xf86Xinput.c
@@ -81,6 +81,7 @@
 
 #include <stdarg.h>
 #include <stdint.h>             /* for int64_t */
+#include <sys/stat.h>
 #include <unistd.h>
 
 #include "mi.h"
@@ -804,6 +805,18 @@ xf86InputDevicePostInit(DeviceIntPtr dev)
     return Success;
 }
 
+static void
+xf86stat(const char *path, int *maj, int *min)
+{
+    struct stat st;
+
+    if (stat(path, &st) == -1)
+        return;
+
+    *maj = major(st.st_rdev);
+    *min = minor(st.st_rdev);
+}
+
 /**
  * Create a new input device, activate and enable it.
  *
@@ -828,6 +841,7 @@ xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable)
     DeviceIntPtr dev = NULL;
     Bool paused;
     int rval;
+    const char *path;
 
     /* Memory leak for every attached device if we don't
      * test if the module is already loaded first */
@@ -841,9 +855,13 @@ xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable)
         goto unwind;
     }
 
-    if (drv->capabilities & XI86_DRV_CAP_SERVER_FD) {
+    path = xf86CheckStrOption(pInfo->options, "Device", NULL);
+    if (path && pInfo->major == 0 && pInfo->minor == 0)
+        xf86stat(path, &pInfo->major, &pInfo->minor);
+
+    if (path && (drv->capabilities & XI86_DRV_CAP_SERVER_FD)){
         int fd = systemd_logind_take_fd(pInfo->major, pInfo->minor,
-                                        pInfo->attrs->device, &paused);
+                                        path, &paused);
         if (fd != -1) {
             if (paused) {
                 /* Put on new_input_devices list for delayed probe */
diff --git a/xorg-server/hw/xfree86/common/xf86platformBus.c b/xorg-server/hw/xfree86/common/xf86platformBus.c
index 4447e19df..4e80f9ee3 100644
--- a/xorg-server/hw/xfree86/common/xf86platformBus.c
+++ b/xorg-server/hw/xfree86/common/xf86platformBus.c
@@ -38,6 +38,7 @@
 #include <unistd.h>
 #include "os.h"
 #include "hotplug.h"
+#include "systemd-logind.h"
 
 #include "xf86.h"
 #include "xf86_OSproc.h"
@@ -310,15 +311,15 @@ static Bool doPlatformProbe(struct xf86_platform_device *dev, DriverPtr drvp,
                             GDevPtr gdev, int flags, intptr_t match_data)
 {
     Bool foundScreen = FALSE;
-    int entity;
+    int entity, fd, major, minor;
 
-    if (gdev->screen == 0 && !xf86_check_platform_slot(dev))
+    if (gdev && gdev->screen == 0 && !xf86_check_platform_slot(dev))
         return FALSE;
 
     entity = xf86ClaimPlatformSlot(dev, drvp, 0,
-                                   gdev, gdev->active);
+                                   gdev, gdev ? gdev->active : 0);
 
-    if ((entity == -1) && (gdev->screen > 0)) {
+    if ((entity == -1) && gdev && (gdev->screen > 0)) {
         unsigned nent;
 
         for (nent = 0; nent < xf86NumEntities; nent++) {
@@ -334,6 +335,17 @@ static Bool doPlatformProbe(struct xf86_platform_device *dev, DriverPtr drvp,
         }
     }
     if (entity != -1) {
+        if ((dev->flags & XF86_PDEV_SERVER_FD) && (!drvp->driverFunc ||
+                !drvp->driverFunc(NULL, SUPPORTS_SERVER_FDS, NULL))) {
+            fd = xf86_get_platform_device_int_attrib(dev, ODEV_ATTRIB_FD, -1);
+            major = xf86_get_platform_device_int_attrib(dev, ODEV_ATTRIB_MAJOR, 0);
+            minor = xf86_get_platform_device_int_attrib(dev, ODEV_ATTRIB_MINOR, 0);
+            systemd_logind_release_fd(major, minor);
+            close(fd);
+            config_odev_add_int_attribute(dev->attribs, ODEV_ATTRIB_FD, -1);
+            dev->flags &= ~XF86_PDEV_SERVER_FD;
+        }
+
         if (drvp->platformProbe(drvp, entity, flags, dev, match_data))
             foundScreen = TRUE;
         else
@@ -420,7 +432,6 @@ xf86platformAddDevice(int index)
 {
     int i, old_screens, scr_index;
     DriverPtr drvp = NULL;
-    int entity;
     screenLayoutPtr layout;
     static const char *hotplug_driver_name = "modesetting";
 
@@ -440,11 +451,8 @@ xf86platformAddDevice(int index)
         return -1;
 
     old_screens = xf86NumGPUScreens;
-    entity = xf86ClaimPlatformSlot(&xf86_platform_devices[index],
-                                   drvp, 0, 0, 0);
-    if (!drvp->platformProbe(drvp, entity, PLATFORM_PROBE_GPU_SCREEN, &xf86_platform_devices[index], 0)) {
-        xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL);
-    }
+    doPlatformProbe(&xf86_platform_devices[index], drvp, NULL,
+                    PLATFORM_PROBE_GPU_SCREEN, 0);
     if (old_screens == xf86NumGPUScreens)
         return -1;
     i = old_screens;
diff --git a/xorg-server/hw/xfree86/common/xf86str.h b/xorg-server/hw/xfree86/common/xf86str.h
index b164b7f21..a81e88614 100644
--- a/xorg-server/hw/xfree86/common/xf86str.h
+++ b/xorg-server/hw/xfree86/common/xf86str.h
@@ -256,7 +256,8 @@ typedef enum {
     RR_GET_INFO,
     RR_SET_CONFIG,
     RR_GET_MODE_MM,
-    GET_REQUIRED_HW_INTERFACES = 10
+    GET_REQUIRED_HW_INTERFACES = 10,
+    SUPPORTS_SERVER_FDS = 11,
 } xorgDriverFuncOp;
 
 typedef Bool xorgDriverFuncProc(ScrnInfoPtr, xorgDriverFuncOp, void *);