Re: [PATCH 1/8] drm/ast: Acquire I/O-register lock in atomic_commit_tail function

2022-10-11 Thread Jocelyn Falempe
On 10/10/2022 12:36, Thomas Zimmermann wrote: Hold I/O-register lock in atomic_commit_tail to protect all pipeline updates at once. Protects modesetting against concurrent EDID reads. Complex modesetting operations involve mode changes and plane updates. These steps used to be protected individu

[PATCH 1/8] drm/ast: Acquire I/O-register lock in atomic_commit_tail function

2022-10-10 Thread Thomas Zimmermann
Hold I/O-register lock in atomic_commit_tail to protect all pipeline updates at once. Protects modesetting against concurrent EDID reads. Complex modesetting operations involve mode changes and plane updates. These steps used to be protected individually against concurrent I/O. Make all this atomi