Re: [PATCHv5,RESEND 8/8] drm: tegra: Add gr2d device

Terje Bergström
2013-02-11T15:40:26Z

On 10.02.2013 22:44, Thierry Reding wrote:
> On Sun, Feb 10, 2013 at 04:42:53PM -0800, Terje Bergström wrote:
>> You're right about performance. We already saw quite a bad performance
>> hit with the current firewall, so we'll need to worry about performance
>> later.
>
> I guess the additional overhead of looking up in a table vs. an actual
> function being run will be rather small compared to the total overhead
> incurred by having the firewall in the first place.

Yeah, I'll just implement a simple linear table lookup and let's see
what happens. I'll optimize with bitfield if needed.

Terje