drm/amd/display: Fixed non-native modes not lighting up

There is no need to call drm_mode_set_crtcinfo() again once
crtc timing is decided. Otherwise non-native/unsupported timing
might get overwritten.

Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 6045825c11d2e99d73e51dc62df01aca91c6eef2..2016400434b18a70d49f933aa8c4cc18c347062b 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2418,7 +2418,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
                                dm_state ? (dm_state->scaling != RMX_OFF) : false);
        }
 
-       drm_mode_set_crtcinfo(&mode, 0);
+       if (!dm_state)
+               drm_mode_set_crtcinfo(&mode, 0);
+
        fill_stream_properties_from_drm_display_mode(stream,
                        &mode, &aconnector->base);
        update_stream_scaling_settings(&mode, dm_state, stream);