[Mesa-dev] [PATCH v2] radeonsi: Add CIK SDMA support

Michel Dänzer michel at daenzer.net
Fri Oct 3 02:56:44 PDT 2014

On 02.10.2014 19:14, Marek Olšák wrote:
> 1) We should have our own copyright in the new file.
> Other than that:
> Reviewed-by: Marek Olšák <marek.olsak at amd.com>
> The following things can be done in a separate patch.
> 2) I recommend removing the CMASK and FMASK checking and replacing it
> with nr_samples > 1 (for SI too). For nr_samples <= 1, CMASK checking
> is already covered by dirty_level_mask checking and CMASK is pretty
> much disabled after the flush_resource call, whose sole purpose is to
> decompress a surface with CMASK.
> 3) I'm pretty sure this won't work with HTILE and flush_resource
> doesn't decompress a surface with HTILE. The solution is to check
> dirty_level_mask of depth buffers and fall back if it's non-zero.
> Basically, dirty_level_mask always tells you whether CMASK or HTILE is
> in use and which mipmap levels are affected.

Thanks for your review and suggestions. I hope v3 matches what you're 
thinking of.

Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer

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