Re: [linux-yocto][linux-yocto v6.6/standard/nxp-sdk-6.6/nxp-soc & v6.6/standard/preempt-rt/nxp-sdk-6.6/nxp-soc][PATCH] gpu: imx: dpu: extdst: use raw_spin_lock instead of mutex_lock

2024-06-20 Thread Bruce Ashfield
merged. Bruce In message: [linux-yocto][linux-yocto v6.6/standard/nxp-sdk-6.6/nxp-soc & v6.6/standard/preempt-rt/nxp-sdk-6.6/nxp-soc][PATCH] gpu: imx: dpu: extdst: use raw_spin_lock instead of mutex_lock on 20/06/2024 Xulin Sun wrote: > For Atomic Mode Setting, it is safer to use r

[linux-yocto][linux-yocto v6.6/standard/nxp-sdk-6.6/nxp-soc & v6.6/standard/preempt-rt/nxp-sdk-6.6/nxp-soc][PATCH] gpu: imx: dpu: extdst: use raw_spin_lock instead of mutex_lock

2024-06-19 Thread Xulin Sun via lists.yoctoproject.org
For Atomic Mode Setting, it is safer to use raw spin lock. Mutex may cause scheduling, which avoids the following warning. BUG: sleeping function called from invalid context at /kernel/locking/mutex.c:283 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 131, name: kworker/0:3