drm/radeon/kms: limit default tv modes to <= 1024x768

fixes fdo bug 24496

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

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 5b6067aa08bd..ce3a785a633b 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -223,6 +223,11 @@ static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_conn
         };
 
         for (i = 0; i < 17; i++) {
+                if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
+                        if (common_modes[i].w > 1024 ||
+                            common_modes[i].h > 768)
+                                continue;
+                }
                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
                         if (common_modes[i].w > native_mode->hdisplay ||
                             common_modes[i].h > native_mode->vdisplay ||