exynos: fix coordinate computation in g2d_copy

[platform/upstream/libdrm.git] / tests / drmtest.c

diff --git a/tests/drmtest.c b/tests/drmtest.c
index 5453b10..022994a 100644 (file)
--- a/tests/drmtest.c
+++ b/tests/drmtest.c
@@ -25,59 +25,111 @@
  *
  */
 
+#include <string.h>
 #include <fcntl.h>
+#include <fnmatch.h>
 #include <sys/stat.h>
+#include <sys/ioctl.h>
 #include "drmtest.h"
 
-/** Open the first DRM device we can find, searching up to 16 device nodes */
-int drm_open_any(void)
+#define LIBUDEV_I_KNOW_THE_API_IS_SUBJECT_TO_CHANGE
+#include <libudev.h>
+
+static int is_master(int fd)
 {
-       char name[20];
-       int i, fd;
-
-       for (i = 0; i < 16; i++) {
-               sprintf(name, "/dev/dri/card%d", i);
-               fd = open(name, O_RDWR);
-               if (fd != -1)
-                       return fd;
+       drm_client_t client;
+       int ret;
+
+       /* Check that we're the only opener and authed. */
+       client.idx = 0;
+       ret = ioctl(fd, DRM_IOCTL_GET_CLIENT, &client);
+       assert (ret == 0);
+       if (!client.auth)
+               return 0;
+       client.idx = 1;
+       ret = ioctl(fd, DRM_IOCTL_GET_CLIENT, &client);
+       if (ret != -1 || errno != EINVAL)
+               return 0;
+
+       return 1;
+}
+
+/** Open the first DRM device matching the criteria */
+int drm_open_matching(const char *pci_glob, int flags)
+{
+       struct udev *udev;
+       struct udev_enumerate *e;
+       struct udev_device *device, *parent;
+        struct udev_list_entry *entry;
+       const char *pci_id, *path;
+       const char *usub, *dnode;
+       int fd;
+
+       udev = udev_new();
+       if (udev == NULL) {
+               fprintf(stderr, "failed to initialize udev context\n");
+               abort();
+       }
+
+       fd = -1;
+       e = udev_enumerate_new(udev);
+       udev_enumerate_add_match_subsystem(e, "drm");
+        udev_enumerate_scan_devices(e);
+        udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
+               path = udev_list_entry_get_name(entry);
+               device = udev_device_new_from_syspath(udev, path);
+               parent = udev_device_get_parent(device);
+               usub = udev_device_get_subsystem(parent);
+               /* Filter out KMS output devices. */
+               if (!usub || (strcmp(usub, "pci") != 0))
+                       continue;
+               pci_id = udev_device_get_property_value(parent, "PCI_ID");
+               if (fnmatch(pci_glob, pci_id, 0) != 0)
+                       continue;
+               dnode = udev_device_get_devnode(device);
+               if (strstr(dnode, "control"))
+                       continue;
+               fd = open(dnode, O_RDWR);
+               if (fd < 0)
+                       continue;
+               if ((flags & DRM_TEST_MASTER) && !is_master(fd)) {
+                       close(fd);
+                       fd = -1;
+                       continue;
+               }
+
+               break;
        }
-       abort();
+        udev_enumerate_unref(e);
+       udev_unref(udev);
+
+       return fd;
 }
 
+int drm_open_any(void)
+{
+       int fd = drm_open_matching("*:*", 0);
+
+       if (fd < 0) {
+               fprintf(stderr, "failed to open any drm device\n");
+               exit(0);
+       }
+
+       return fd;
+}
 
 /**
  * Open the first DRM device we can find where we end up being the master.
  */
 int drm_open_any_master(void)
 {
-       char name[20];
-       int i, fd;
+       int fd = drm_open_matching("*:*", DRM_TEST_MASTER);
 
-       for (i = 0; i < 16; i++) {
-               drm_client_t client;
-               int ret;
+       if (fd < 0) {
+               fprintf(stderr, "failed to open any drm device\n");
+               exit(0);
+       }
 
-               sprintf(name, "/dev/dri/card%d", i);
-               fd = open(name, O_RDWR);
-               if (fd == -1)
-                       continue;
+       return fd;
 
-               /* Check that we're the only opener and authed. */
-               client.idx = 0;
-               ret = ioctl(fd, DRM_IOCTL_GET_CLIENT, &client);
-               assert (ret == 0);
-               if (!client.auth) {
-                       close(fd);
-                       continue;
-               }
-               client.idx = 1;
-               ret = ioctl(fd, DRM_IOCTL_GET_CLIENT, &client);
-               if (ret != -1 || errno != EINVAL) {
-                       close(fd);
-                       continue;
-               }
-               return fd;
-       }
-       fprintf(stderr, "Couldn't find an un-controlled DRM device\n");
-       abort();
 }