drm/radeon/kms: fallback to default connector table

if necessary for combios

Some early combios radeon cards don't have a connector
table or dac table in the bios, if they do not, fallback
to the default tables.

Should fix kernel bug 14963.

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

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 91d72b7..1fb2f02 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -329,8 +329,11 @@ static bool radeon_setup_enc_conn(struct drm_device *dev)
                                ret = radeon_get_atom_connector_info_from_object_table(dev);
                        else
                                ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
-               } else
+               } else {
                        ret = radeon_get_legacy_connector_info_from_bios(dev);
+                       if (ret == false)
+                               ret = radeon_get_legacy_connector_info_from_table(dev);
+               }
        } else {
                if (!ASIC_IS_AVIVO(rdev))
                        ret = radeon_get_legacy_connector_info_from_table(dev);