diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2014-02-15 09:48:08 +0100 |
|---|---|---|
| committer | Matthieu Herrb <matthieu@herrb.eu> | 2018-11-25 19:19:56 +0100 |
| commit | b9633259738d66a1987b783f688b9b4d70348391 (patch) | |
| tree | ee568705e96d5a9ca6035f5cc4891b7794962f20 /src | |
| parent | ae4ca86c99698dc85d95ce2adc0e7a912bfd3482 (diff) | |
If opening /dev/pciN read-write fails, try opening it read-only. This allow
X to run with machdep.allowaperture=0 on inteldrm(4) and radeondrm(4).
ok matthieu@
Diffstat (limited to 'src')
| -rw-r--r-- | src/openbsd_pci.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/openbsd_pci.c b/src/openbsd_pci.c index fa58d7a..f97d841 100644 --- a/src/openbsd_pci.c +++ b/src/openbsd_pci.c @@ -628,8 +628,11 @@ pci_system_openbsd_create(void) for (domain = 0; domain < sizeof(pcifd) / sizeof(pcifd[0]); domain++) { snprintf(path, sizeof(path), "/dev/pci%d", domain); pcifd[domain] = open(path, O_RDWR | O_CLOEXEC); - if (pcifd[domain] == -1) - break; + if (pcifd[domain] == -1) { + pcifd[domain] = open(path, O_RDONLY | O_CLOEXEC); + if (pcifd[domain] == -1) + break; + } ndomains++; } |