SDMA out-of-bounds write access of tiled surface

[Mads]

On 2016-08-25 20:43, Marek Olšák wrote:

> On Thu, Aug 25, 2016 at 3:36 PM, Mads <mads at ab3.no> wrote:
> 
>> Thank you for notifying :)
>> 
>> Just curious, is there a way to enable them in the same way as 
>> disabling
>> them is done with R600_DEBUG=nodma? Because, while desktop 
>> applications gets
>> buggy, games and such does not trigger any artifacts, so normally I 
>> disable
>> R600_DEBUG=nodma when gaming (as I've assumed disabling dma must lead 
>> to
>> less performance).
> 
> No, there is no way to enable it. Generally, SDMA isn't important for
> performance and isn't invoked very often, because it's incompatible
> with delta-color compression (DCC).
> 
> Marek

Ah, cool, I guess that also explains why I never saw any artifacting in 
any games.

Thank you for replying!

- Mads