[Intel-gfx] [PATCH] drm/i915/audio: Fix audio detection issue on GLK

[Jani Nikula]

On Tue, 17 Apr 2018, Gaurav K Singh <gaurav.k.singh at intel.com> wrote:
> On Geminilake, sometimes audio card is not getting
> detected after reboot. This is a spurious issue happening on
> Geminilake. HW codec and HD audio controller link was going
> out of sync for which there was a fix in i915 driver but
> was not getting invoked for GLK. Extending this fix to GLK as well.
>
> Tested by Du,Wenkai on GLK board.
>
> Bspec: 21829
>
> v2: Instead of checking GEN9_BC, BXT and GLK macros, use IS_GEN9 macro
>
> Signed-off-by: Gaurav K Singh <gaurav.k.singh at intel.com>
> Reviewed-by: Jani Nikula <jani.nikula at intel.com>

That Reviewed-by is jumping to conclusions I'm afraid. Giving review
comments does not mean Reviewed-by. Only explicit Reviewed-by reply
does.

I can only say that this is the right approach *if* glk is to be covered
here, but I have no data to actually say if that's the right thing to
do.

BR,
Jani.

> ---
>  drivers/gpu/drm/i915/intel_audio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
> index 656f6c931341..3ea566f99450 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -729,7 +729,7 @@ static void i915_audio_component_codec_wake_override(struct device *kdev,
>  	struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
>  	u32 tmp;
>  
> -	if (!IS_GEN9_BC(dev_priv) && !IS_BROXTON(dev_priv))
> +	if (!IS_GEN9(dev_priv))
>  		return;
>  
>  	i915_audio_component_get_power(kdev);

-- 
Jani Nikula, Intel Open Source Technology Center