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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BXT/KBL] - HDMI - HD audio passthrough dont work"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98797#c98">Comment # 98</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BXT/KBL] - HDMI - HD audio passthrough dont work"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98797">bug 98797</a>
from <span class="vcard"><a class="email" href="mailto:qwerty0987654321@mail.ru" title="Igor Mammedov <qwerty0987654321@mail.ru>"> <span class="fn">Igor Mammedov</span></a>
</span></b>
<pre>(In reply to Jani Nikula from <a href="show_bug.cgi?id=98797#c94">comment #94</a>)
<span class="quote">> And for Friday lols, a complete shot in the dark:
>
> diff --git a/drivers/gpu/drm/i915/intel_audio.c
> b/drivers/gpu/drm/i915/intel_audio.c
> index d805b6e6fe71..49e3847fcb01 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -608,8 +608,13 @@ void intel_audio_codec_enable(struct intel_encoder
> *intel_encoder,
>
> /* ELD Conn_Type */
> connector->eld[5] &= ~(3 << 2);
> - if (intel_crtc_has_dp_encoder(crtc_state))
> - connector->eld[5] |= (1 << 2);
> + if (intel_crtc_has_dp_encoder(crtc_state)) {
> + struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
> + struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
> +
> + if (!lspcon->active)
> + connector->eld[5] |= (1 << 2);
> + }
>
> connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;</span >
it doesn't help (applied both <a href="show_bug.cgi?id=98797#c93">comment 93</a> and this patch)
one observation:
lspcon->active = 1 when using onboard HDMI2.0
lspcon->active = 0 when using DP->HDMI2.0 cable
in both cases cables were connected to HDMI1.4b input on AVR.</pre>
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