1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1f5a1a49098..fcfe5c02d74 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -103,7 +103,8 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_gpio(struct drm_device
 static bool radeon_atom_apply_quirks(struct drm_device *dev,
                                      uint32_t supported_device,
                                      int *connector_type,
-                                     struct radeon_i2c_bus_rec *i2c_bus)
+                                     struct radeon_i2c_bus_rec *i2c_bus,
+                                     uint8_t *line_mux)
 {
 
         /* Asus M2A-VM HDMI board lists the DVI port as HDMI */
@@ -127,8 +128,10 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
         if ((dev->pdev->device == 0x5653) &&
             (dev->pdev->subsystem_vendor == 0x1462) &&
             (dev->pdev->subsystem_device == 0x0291)) {
-                if (*connector_type == DRM_MODE_CONNECTOR_LVDS)
+                if (*connector_type == DRM_MODE_CONNECTOR_LVDS) {
                         i2c_bus->valid = false;
+                        *line_mux = 53;
+                }
         }
 
         /* Funky macbooks */
@@ -526,7 +529,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
                 if (!radeon_atom_apply_quirks
                     (dev, (1 << i), &bios_connectors[i].connector_type,
-                     &bios_connectors[i].ddc_bus))
+                     &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux))
                         continue;
 
                 bios_connectors[i].valid = true;