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drm/i915/audio: Use BIOS provided value for RKL HDA link

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Commit 989634fb49 ("drm/i915/audio: set HDA link parameters in
driver") makes HDMI audio on Lenovo P350 disappear.

So in addition to TGL, extend the logic to RKL to use BIOS provided
value to fix the regression.

Fixes: 989634fb49 ("drm/i915/audio: set HDA link parameters in driver")
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210906041300.508458-1-kai.heng.feng@canonical.com
(cherry picked from commit c6b40ee330)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Kai-Heng Feng 2021-09-06 12:12:59 +08:00 committed by Jani Nikula
parent 9e1ff307c7
commit ffac30be2a
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/display/intel_audio.c
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@ -1308,8 +1308,9 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv)
else
aud_freq = aud_freq_init;
/* use BIOS provided value for TGL unless it is a known bad value */
if (IS_TIGERLAKE(dev_priv) && aud_freq_init != AUD_FREQ_TGL_BROKEN)
/* use BIOS provided value for TGL and RKL unless it is a known bad value */
if ((IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv)) &&
aud_freq_init != AUD_FREQ_TGL_BROKEN)
aud_freq = aud_freq_init;
drm_dbg_kms(&dev_priv->drm, "use AUD_FREQ_CNTRL of 0x%x (init value 0x%x)\n",