[PATCH 2/2] drm/amd/amdgpu: expose fragment size as module parameter

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Am 15.08.2017 um 11:53 schrieb He, Roger:
> [SNIP]
> Don't adjust the global parameter here.
>
> Better use the default handling to amdgpu_vm_adjust_size() like you had in the last version of the patch.
>
> For Vega10 fragment handling works a bit differently, the L1 works like
> GFX8 but the L2 is currently fixed to 2M.
>
> So different fragment sizes still make sense for Vega10, you should just not change the hardware setup of the L2.
> [Roger]: which register do you mean here?

The VM_L2_CNTL* registers. They work differently on Vega10 compared to 
earlier generations.

Christian.

>
> Thanks
> Roger(Hongbo.He)



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