https://bugs.freedesktop.org/show_bug.cgi?id=60879
--- Comment #78 from Michel D?nzer <michel at daenzer.net> ---
(In reply to comment #76)
> this should be:
>
> + for (i = 0; i < rdev->config.cik.max_texture_channel_caches; i++)
> + cgts_tcc_disable &= ~(1 << (16 + i));
Why? This is si_gpu_init().
(In reply to comment #75)
> Created attachment 98258 [details] [review]
> Tahiti Fix
[...]
>+ WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
My understanding is that this register indicates which TCCs are not functional.
So this line should be replaced by
cgts_tcc_disable |= RREG32(CGTS_TCC_DISABLE);
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