ODROID-U3 xorg-server debian package fork :

[deb_xorg-server.git] / debian / patches / 111_armel-drv-fallbacks.patch

--- a/hw/xfree86/common/xf86AutoConfig.c
+++ b/hw/xfree86/common/xf86AutoConfig.c
@@ -45,6 +45,12 @@
 #include "xf86sbusBus.h"
 #endif
 
+#if defined(__arm__) && defined(__linux__)
+#include "loaderProcs.h"
+#include <sys/types.h>          /* For opendir in test_sysfs_device */
+#include <dirent.h>             /* For opendir in test_sysfs_device */
+#endif
+
 #ifdef sun
 #include <sys/visual_io.h>
 #include <ctype.h>
@@ -200,6 +206,27 @@ xf86AutoConfig(void)
     return ret == CONFIG_OK;
 }
 
+#if defined(__arm__) && defined(__linux__)
+static int
+test_sysfs_device(char *device_name, char *driver_name)
+{
+    DIR *dir = opendir("/sys/devices/platform");
+    struct dirent *current_dir;
+    int len = strlen(device_name);
+
+    while (current_dir = readdir(dir)) {
+        if (strlen(current_dir->d_name) >= len &&
+            strncmp(device_name, current_dir->d_name, len) == 0)
+            break;
+    }
+    closedir(dir);
+    if (!current_dir)
+        return 0;
+
+    return 1;
+}
+#endif                          /* defined(__arm__) && defined(__linux__) */
+
 static void
 listPossibleVideoDrivers(char *matches[], int nmatches)
 {
@@ -279,6 +306,21 @@ listPossibleVideoDrivers(char *matches[]
         i = xf86PciMatchDriver(matches, nmatches);
 #endif
 
+#if defined(__linux__) && defined(__arm__)
+    if (i < (nmatches - 1)) {
+        if (test_sysfs_device("mxc_gpu", "imx"))
+            matches[i++] = xnfstrdup("imx");
+        else if (test_sysfs_device("dovefb", "dovefb"))
+            matches[i++] = xnfstrdup("dovefb");
+        else if (test_sysfs_device("omapdrm", "omap"))
+            matches[i++] = xnfstrdup("omap");
+        else if (test_sysfs_device("omapfb", "omapfb"))
+            matches[i++] = xnfstrdup("omapfb");
+        else if (test_sysfs_device("omap", "pvr"))
+            matches[i++] = xnfstrdup("pvr");
+    }
+#endif                          /* defined(__linux__) && defined(__arm__) */
+
 #if defined(__linux__)
     matches[i++] = xnfstrdup("modesetting");
 #endif
--- a/hw/xfree86/common/xf86platformBus.c
+++ b/hw/xfree86/common/xf86platformBus.c
@@ -372,6 +372,14 @@ xf86platformProbeDev(DriverPtr drvp)
                     if (xf86IsPrimaryPlatform(&xf86_platform_devices[j]))
                         break;
                 }
+                else {
+                    /* there's no way to handle real platform devices at this point,
+                     * as there's no valid busID to be used, so try to move forward
+                     * in case there's only one platform device, and see if the
+                     * driver's probe succeeds or not at least once */
+                    if ((xf86_num_platform_devices == 1) && (!foundScreen))
+                        break;
+                }
             }
         }