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

[Jani Nikula]

On Wed, 18 Apr 2018, "Singh, Gaurav K" <gaurav.k.singh at intel.com> wrote:
> On 4/17/2018 11:58 PM, Du,Wenkai wrote:
>>
>> On 4/17/2018 11:22 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 (Jani N)
>>>
>>> Signed-off-by: Gaurav K Singh <gaurav.k.singh at intel.com>
>>> Reviewed-by: Abhay Kumar <abhay.Kumar at intel.com>
>> Reviewed-by: Wenkai Du <wenkai.du at intel.com>
>> Tested-by: Wenkai Du <wenkai.du at intel.com>
>>
>>
>> Regards,
>> Wenkai
> Hi Jani,
>
> Could you please help in merging this patch to unblock audio.

Pushed, thanks for the patch and review.

Added Cc: stable, with a dependency on b651bd2a3ae3 ("drm/i915/audio:
Fix audio enumeration issue on BXT") to be backported as well.

BR,
Jani.

>
> With regards,
> Gaurav
>>> ---
>>>   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