Re: [PATCH] drm/radeon: Call mmiowb() at the end of radeon_ring_commit()

2024-02-20 Thread Christian König
Am 20.02.24 um 08:49 schrieb Huacai Chen: Commit fb24ea52f78e0d595852e ("drivers: Remove explicit invocations of mmiowb()") remove all mmiowb() in drivers, but it says: "NOTE: mmiowb() has only ever guaranteed ordering in conjunction with spin_unlock(). However, pairing each mmiowb() removal in

[PATCH] drm/radeon: Call mmiowb() at the end of radeon_ring_commit()

2024-02-20 Thread Huacai Chen
Commit fb24ea52f78e0d595852e ("drivers: Remove explicit invocations of mmiowb()") remove all mmiowb() in drivers, but it says: "NOTE: mmiowb() has only ever guaranteed ordering in conjunction with spin_unlock(). However, pairing each mmiowb() removal in this patch with the corresponding call to sp