Re: [PATCH] drm/bridge: analogix_dp: Use relaxed MMIO accessors

2017-12-20 Thread Marc Zyngier
On 19/12/17 08:53, Andrzej Hajda wrote: > On 18.12.2017 12:39, Marc Zyngier wrote: >> The analogix DP bridge is entierely driven via MMIO accesses, and >> does not do any DMA that requires coherency with the CPU. Yet, the >> driver uses the non-relaxed accessors, forcing strong barriers to >> be em

Re: [PATCH] drm/bridge: analogix_dp: Use relaxed MMIO accessors

2017-12-19 Thread Andrzej Hajda
On 18.12.2017 12:39, Marc Zyngier wrote: > The analogix DP bridge is entierely driven via MMIO accesses, and > does not do any DMA that requires coherency with the CPU. Yet, the > driver uses the non-relaxed accessors, forcing strong barriers to > be emitted on architectures with a relaxed memory o