Re: [PATCH] drm/msm/a6xx: Fix GMU lockdep splat

2023-08-04 Thread Doug Anderson
Hi, On Thu, Aug 3, 2023 at 10:34 AM Rob Clark wrote: > > From: Rob Clark > > For normal GPU devfreq, we need to acquire the GMU lock while already > holding devfreq locks. But in the teardown path, we were calling > dev_pm_domain_detach() while already holding the GMU lock, resulting in > this

[PATCH] drm/msm/a6xx: Fix GMU lockdep splat

2023-08-03 Thread Rob Clark
From: Rob Clark For normal GPU devfreq, we need to acquire the GMU lock while already holding devfreq locks. But in the teardown path, we were calling dev_pm_domain_detach() while already holding the GMU lock, resulting in this lockdep splat: =