diff options
-rw-r--r-- | libdrm/xf86drmMode.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libdrm/xf86drmMode.c b/libdrm/xf86drmMode.c index 07b14dbf..f86cc48f 100644 --- a/libdrm/xf86drmMode.c +++ b/libdrm/xf86drmMode.c @@ -568,6 +568,25 @@ int drmCheckModesettingSupported(const char *busid) if (ret != 4) return -EINVAL; + sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/drm", + domain, bus, dev, func); + + sysdir = opendir(pci_dev_dir); + if (sysdir) { + dent = readdir(sysdir); + while (dent) { + if (!strncmp(dent->d_name, "controlD", 8)) { + found = 1; + break; + } + + dent = readdir(sysdir); + } + closedir(sysdir); + if (found) + return 0; + } + sprintf(pci_dev_dir, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/", domain, bus, dev, func); |