Add quirk for DVO channel selection

Some machines want DVOA, some DVOB.  We can use this quirk to differentiate
them until we come up with a better solution.  Patch from Hong Liu.

Fixes #13722.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/i830.h b/src/i830.h
index 05b03584..132f0893 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -840,6 +840,7 @@ extern const int I830CopyROP[16];
 #define QUIRK_IGNORE_LVDS		0x00000002
 #define QUIRK_IGNORE_MACMINI_LVDS 	0x00000004
 #define QUIRK_PIPEA_FORCE		0x00000008
+#define QUIRK_IVCH_NEED_DVOB		0x00000010
 extern void i830_fixup_devices(ScrnInfoPtr);
 
 #endif /* _I830_H_ */