[Mesa-dev] [PATCH 00/14] AMD GCN tile swizzle

Dave Airlie airlied at gmail.com
Tue Aug 1 01:50:01 UTC 2017

On 1 August 2017 at 09:40, Marek Olšák <maraeo at gmail.com> wrote:
> Hi,
> This might slightly increase MRT performance. You need the amdgpu
> kernel driver if you want it for SI and CI.
> I've fixed a few of issues with the original code, enabled it for
> mipmapped textures, and added GFX9 support. I wasn't able to make it
> work with mipmapping on SI. There is also a hack to make mipmapping
> work with DCC on VI - my solution is to overallocate DCC to make
> corruption go away with tile swizzling.
> I've tested SI, CI, VI.
> I haven't tested GFX9. The GFX9 patch is just the first version for
> testing. With current GB_ADDR_CONFIG, only Vega10 can do tile
> swizzling. The code doesn't do anything for Raven due to its (possibly
> incorrect) GB_ADDR_CONFIG.
I think this will regress radv, as I don't see it setting the
SHAREABLE flag anywhere
in the radv code, if I missed that.

If you have a branch I'm happy to check it, or just run the Vulkan
deferred demo from

Otherwise it all looks reasonable, I should probably add the fmask
counter to radv once it lands.

So for the rest of them
Reviewed-by: Dave Airlie <airlied at redhat.com>


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