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drm/msm/dp: initialize audio_comp when audio starts

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Initialize audio_comp when audio starts and wait for audio_comp at
dp_display_disable(). This will take care of both dongle unplugged
and display off (suspend) cases.

Changes in v2:
-- add dp_display_signal_audio_start()

Changes in v3:
-- restore dp_display_handle_plugged_change() at dp_hpd_unplug_handle().

Changes in v4:
-- none

Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>
Fixes: c703d57895 ("drm/msm/dp: trigger unplug event in msm_dp_display_disable")
Link: https://lore.kernel.org/r/1619048258-8717-3-git-send-email-khsieh@codeaurora.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Kuogee Hsieh
2021-04-21 16:37:36 -07:00
committed by Rob Clark
parent d9aa6571b2
commit f2f46b8787
3 changed files with 11 additions and 2 deletions
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1
drivers/gpu/drm/msm/dp/dp_audio.c
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@@ -527,6 +527,7 @@ int dp_audio_hw_params(struct device *dev,
dp_audio_setup_acr(audio);
dp_audio_safe_to_exit_level(audio);
dp_audio_enable(audio, true);
dp_display_signal_audio_start(dp_display);
dp_display->audio_enabled = true;
end: