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

[Kumar, Abhay]

On 4/17/2018 12:18 AM, Gaurav K Singh 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>

Reviewed-by: Abhay Kumar <abhay.Kumar at intel.com>


> ---
>   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);