After enabling DDI_BUF_CTL, wait for DDI_BUF_CTL to be active. Bspec:4232,53339,49191,54145 Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_ddi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 9e16db920bf2..13bf0142627b 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -2944,6 +2944,8 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, } intel_de_write(dev_priv, DDI_BUF_CTL(port), buf_ctl); + intel_wait_ddi_buf_active(dev_priv, port); + intel_audio_codec_enable(encoder, crtc_state, conn_state); } -- 2.25.1