drm/radeon/kms: fix macbookpro connector quirk

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index f0ea7f8da678f21a516deacc896c12b1543871ad..1fff95505cf5fec08f5506c47e26b8e00866632c 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -264,6 +264,8 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
                if ((supported_device == ATOM_DEVICE_CRT1_SUPPORT) ||
                    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
                        return false;
+               if (supported_device == ATOM_DEVICE_CRT2_SUPPORT)
+                       *line_mux = 0x90;
        }
 
        /* ASUS HD 3600 XT board lists the DVI port as HDMI */