[Intel-gfx] [PATCH 2/2] drm/i915/ddi: Add missing wait-for-active for HDMI aligning with bspec updates

[Ankit Nautiyal]

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.nauti...@intel.com>
---
 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