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-rw-r--r--configure.ac2
-rw-r--r--xf86drmMode.c35
2 files changed, 36 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 969fb83b..d2d19d66 100644
--- a/configure.ac
+++ b/configure.ac
@@ -185,6 +185,8 @@ AC_CANONICAL_HOST
if test "x$LIBKMS" = xauto ; then
case $host_os in
linux*) LIBKMS="yes" ;;
+ freebsd* | kfreebsd*-gnu)
+ LIBKMS="yes" ;;
*) LIBKMS="no" ;;
esac
fi
diff --git a/xf86drmMode.c b/xf86drmMode.c
index dd7966ef..a6bb2ee4 100644
--- a/xf86drmMode.c
+++ b/xf86drmMode.c
@@ -723,7 +723,7 @@ int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property
*/
int drmCheckModesettingSupported(const char *busid)
{
-#ifdef __linux__
+#if defined (__linux__)
char pci_dev_dir[1024];
int domain, bus, dev, func;
DIR *sysdir;
@@ -773,6 +773,39 @@ int drmCheckModesettingSupported(const char *busid)
closedir(sysdir);
if (found)
return 0;
+#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
+ char kbusid[1024], sbusid[1024];
+ char oid[128];
+ int domain, bus, dev, func;
+ int i, modesetting, ret;
+ size_t len;
+
+ ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev,
+ &func);
+ if (ret != 4)
+ return -EINVAL;
+ snprintf(kbusid, sizeof(kbusid), "pci:%04x:%02x:%02x.%d", domain, bus,
+ dev, func);
+
+ /* How many GPUs do we expect in the machine ? */
+ for (i = 0; i < 16; i++) {
+ snprintf(oid, sizeof(oid), "hw.dri.%d.busid", i);
+ len = sizeof(sbusid);
+ ret = sysctlbyname(oid, sbusid, &len, NULL, 0);
+ if (ret == -1) {
+ if (errno == ENOENT)
+ continue;
+ return -EINVAL;
+ }
+ if (strcmp(sbusid, kbusid) != 0)
+ continue;
+ snprintf(oid, sizeof(oid), "hw.dri.%d.modesetting", i);
+ len = sizeof(modesetting);
+ ret = sysctlbyname(oid, &modesetting, &len, NULL, 0);
+ if (ret == -1 || len != sizeof(modesetting))
+ return -EINVAL;
+ return (modesetting ? 0 : -ENOSYS);
+ }
#endif
return -ENOSYS;