[Mesa-dev] [PATCH] r600g: implement buffer copying using CP DMA for R7xx, Evergreen, Cayman

[Alex Deucher]

On Sun, Jan 6, 2013 at 6:59 PM, Marek Olšák <maraeo at gmail.com> wrote:
> R6xx doesn't work - the issue seems to be with flushing (sometimes
> the destination buffer contains garbage). There are no hangs, so we're good.
>
> R7xx doesn't seem to have any alignment restriction despite our initial
> thinking. Everything just works.
>
> Two notes for reviewers:
> * The hangs I used to have were caused by a silly bug in my initial implementation.
> * I don't know what I should set to CP_DMA_ENGINE on Evergreen, so I set 0.

Looks good to me.

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>