From: Alex Deucher <[email protected]>

commit e1e8a5dd4faf356b5d31c620c5787eaa83ee831d upstream.

Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
---
 drivers/gpu/drm/radeon/radeon_atombios.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c 
b/drivers/gpu/drm/radeon/radeon_atombios.c
index f0ea7f8..1fff955 100644
--- 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 */
-- 
1.7.1



-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.


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