[Mesa-dev] [PATCH 0/8] RadeonSI: DCC for displayable surfaces (v2)

[Nicolai Hähnle]

On 29.06.2016 16:20, Marek Olšák wrote:
> Hi,
>
> This is a much improved version of diplayable DCC support.
>
> GpuTest/Triangle: No change in performance.
> GLMark2: -0.5% performance
> glxgears: There seems to be a small difference, but it might also be
> just noise.
>
> See the changes in patches 4-8, but generally this is enough to enable
> DCC for cases where we need it the most.
>
> - Patch 1 only has cosmetic changes.
> - Ignore patches 2-3 that just happen to be there.
> - Patches 4-8 contain additional improvements that fix performance
> losses from the first patch while not decreasing performance for
> benchmarks that we care about.

Looks good. I was going to suggest that perhaps the impact of 
perfcounters could still be reduced by only collecting data from a 
single backend pipeline and scaling the numbers up (assuming an even 
distribution of load), but seems like that's not even really necessary 
anymore.

Patches 1, 4 - 8:

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

>
> Please review.
> Marek
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