[PATCH 1/2] drm/amdgpu: access stolen VRAM directly on KV/KB
Christian König
deathsimple at vodafone.de
Mon Nov 7 09:33:46 UTC 2016
Am 07.11.2016 um 10:29 schrieb Michel Dänzer:
> On 07/11/16 06:21 PM, Christian König wrote:
>> From: Christian König <christian.koenig at amd.com>
>>
>> We don't need to use the PCI BAR on APUs. This allows us to access
>> the full VRAM directly without being limited by the BAR size.
>>
>> Signed-off-by: Christian König <christian.koenig at amd.com>
> The series is
>
> Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>
>
>
> We could also drop the HDP flushes / invalidates in this case, right?
Could be, but I'm not 100% sure how those are actually wired up on APUs.
Might be that they are NOPs anyway, but could be that at least the
flushes are still vital.
Regards,
Christian.
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