Re: [PATCH v3] drm/i915/display: Fix intel_lpe_audio_irq_handler for PREEMPT-RT

[Maarten Lankhorst]

Thanks, pushed!

On 6/2/26 08:29, Sebastian Andrzej Siewior wrote:
> On 2026-06-02 08:45:15 [+0800], Runyu Xiao wrote:
>> From: Maarten Lankhorst <dev@xxxxxxxxxxxx>
>>
>> The LPE audio interrupt comes from the i915 interrupt handler. It
>> should be in irq disabled context.
>>
>> With PREEMPT_RT enabled, the IRQ handler is threaded.
>> Because intel_lpe_audio_irq_handler() may be called in threaded IRQ context,
>> generic_handle_irq_safe API disables the interrupts before calling LPE's
>> interrupt top half handler.
>>
>> This fixes braswell audio issues with RT enabled.
>>
>> Signed-off-by: Maarten Lankhorst <dev@xxxxxxxxxxxx>
>> Reviewed-by: Matthew Brost <matthew.brost@xxxxxxxxx>
>> Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
>> Signed-off-by: Runyu Xiao <runyu.xiao@xxxxxxxxxx>
> 
> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> 
> Sebastian