On Tue, 18 Mar 2025, Lu Yao <ya...@kylinos.cn> wrote:
> Now audio enable/disable depends on an atomic commit, it doesn't make
> sence. For wayland, there will trigering an atomic commit, so it
> works well. But for Xorg using modesetting, there won't. In this
> case, unplug the HDMI/DP and the audio jack event is not triggered,
> resulting in still having a HDMI/DP audio output choice.

As it is, the implementation is not acceptable, but with this
description I also don't understand the problem.

Please file a bug at [1], attach dmesg from boot exhibiting the problem.

BR,
Jani.

[1] https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html

> Signed-off-by: Lu Yao <ya...@kylinos.cn>
> ---
>  drivers/gpu/drm/i915/display/intel_hotplug.c | 31 ++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> ---
> Test hardware:
>   CPU: i5-12500
>   GPU: UHD Graphics 770
>
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c 
> b/drivers/gpu/drm/i915/display/intel_hotplug.c
> index 3adc791d3776..332d6e1a99cd 100644
> --- a/drivers/gpu/drm/i915/display/intel_hotplug.c
> +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
> @@ -32,6 +32,7 @@
>  #include "intel_display_types.h"
>  #include "intel_hotplug.h"
>  #include "intel_hotplug_irq.h"
> +#include "intel_audio.h"
>  
>  /**
>   * DOC: Hotplug
> @@ -415,6 +416,35 @@ void intel_hpd_trigger_irq(struct intel_digital_port 
> *dig_port)
>       queue_work(i915->display.hotplug.dp_wq, 
> &i915->display.hotplug.dig_port_work);
>  }
>  
> +/*
> + * when connector hotplug state changed, audio need changed too.
> + */
> +static void i915_audio_hotplug(struct intel_connector *connector)
> +{
> +     struct drm_crtc *crtc;
> +     struct drm_device *dev = connector->base.dev;
> +
> +     drm_for_each_crtc(crtc, dev) {
> +             if (connector->base.state->crtc == crtc) {
> +                     struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> +                     struct intel_crtc_state *pipe_config =
> +                             to_intel_crtc_state(intel_crtc->base.state);
> +                     struct intel_encoder *encoder =
> +                             intel_attached_encoder(connector);
> +
> +                     if (pipe_config && pipe_config->has_audio) {
> +                             if (connector->base.status == 
> connector_status_disconnected)
> +                                     intel_audio_codec_disable(encoder, 
> pipe_config,
> +                                                               
> connector->base.state);
> +                             else if (connector->base.status == 
> connector_status_connected)
> +                                     intel_audio_codec_enable(encoder, 
> pipe_config,
> +                                                              
> connector->base.state);
> +                     }
> +                     break;
> +             }
> +     }
> +}
> +
>  /*
>   * Handle hotplug events outside the interrupt handler proper.
>   */
> @@ -487,6 +517,7 @@ static void i915_hotplug_work_func(struct work_struct 
> *work)
>                                       drm_connector_get(&connector->base);
>                                       first_changed_connector = 
> &connector->base;
>                               }
> +                             i915_audio_hotplug(connector);
>                               break;
>                       case INTEL_HOTPLUG_RETRY:
>                               retry |= hpd_bit;

-- 
Jani Nikula, Intel

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