Re: [PATCHv2] drm/xe/display: Change HPD to polling on runtime suspend

2024-08-09 Thread Jani Nikula
On Thu, 08 Aug 2024, Arun R Murthy wrote: > HPD is interrupt based and on runtime suspend change it to polling as > HPD is not a wakeup event. A worker thread is scheduled for doing this > polling and it keeps polling for HPD live status on an internval of 10s. > On runtime resume disable polling

[PATCHv2] drm/xe/display: Change HPD to polling on runtime suspend

2024-08-08 Thread Arun R Murthy
HPD is interrupt based and on runtime suspend change it to polling as HPD is not a wakeup event. A worker thread is scheduled for doing this polling and it keeps polling for HPD live status on an internval of 10s. On runtime resume disable polling and fallback to interrupt mechanism. v2: move poll