On 3/22/2017 3:31 PM, Lukas Wunner wrote:
> On arm64 PCI systems, the entire PCI hierarchy is reconfigured from
> scratch at boot. This may result in the GOP framebuffer address to
> become stale, if the BAR covering the framebuffer is modified.

Does this code still work with the case where resources are not reassigned on 
ARM64?

As far as I know, kernel honors resource assignments done by the UEFI BIOS if
they are correct. Kernel will reassign the resources only if something is wrong.

Will this code break other platforms/architectures?

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm 
Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux 
Foundation Collaborative Project.
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