From: Mikita Lipski <mikita.lipski@xxxxxxx> Provide the connector with a single fail-safe mode of 640x480 for CTS tests instead of providing a list of possible base modes. Signed-off-by: Mikita Lipski <mikita.lipski at amd.com> Reviewed-by: Tony Cheng <Tony.Cheng at amd.com> Acked-by: Harry Wentland <harry.wentland at amd.com> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 21f3ad1d66cb..07f4793a945f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3496,6 +3496,10 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) struct edid *edid = amdgpu_dm_connector->edid; encoder = helper->best_encoder(connector); + + if (!edid || !drm_edid_is_valid(edid)) + return drm_add_modes_noedid(connector, 640, 480); + amdgpu_dm_connector_ddc_get_modes(connector, edid); amdgpu_dm_connector_add_common_modes(encoder, connector); -- 2.17.0
