Re: AMD IOMMU + SME + amdgpu regression

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Excerpts from Joerg Roedel's message of June 22, 2020 6:02 am:
> Hi Alex,
> 
> On Thu, Jun 11, 2020 at 07:05:21PM -0400, Alex Xu (Hello71) wrote:
>> I am using an ASRock B450 Pro4 with Ryzen 1600 and ASUS RX 480. I don't 
>> understand this code at all, but let me know what I can do to 
>> troubleshoot.
> 
> Does it boot without SME enabled?
> 
> 
> Regards,
> 
> 	Joerg
> 

Yes, it works with SME off with dbed452a078 ("dma-pool: decouple 
DMA_REMAP from DMA_COHERENT_POOL") applied.




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