[PATCH v2 3/4] drm/ttm, drm/vmwgfx: Correctly support support AMD memory encryption

Thomas Hellström (VMware) thomas_os at shipmail.org
Wed Sep 4 13:05:53 UTC 2019

On 9/4/19 2:35 PM, Thomas Hellström (VMware) wrote:
>> I've already talked with Christoph that we probably want to switch TTM
>> over to using that instead to also get rid of the ttm_io_prot() hack.
> OK, would that mean us ditching other memory modes completely? And 
> on-the-fly caching transitions? or is it just for the special case of 
> cached coherent memory? Do we need to cache the coherent kernel 
> mappings in TTM as well, for ttm_bo_kmap()?

Reading this again, I wanted to point out that I'm not against this. 
Just curious.


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