[PATCH 1/2] drm/kms: Make i2c buses faster
eugeni at dodonov.net
Mon Oct 24 07:19:20 PDT 2011
On Sat, Oct 22, 2011 at 12:38, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Fri, Oct 21, 2011 at 3:29 PM, Jean Delvare <jdelvare at suse.de> wrote:
> > Hi Alex,
> > On Friday 21 October 2011 08:05:48 pm Alex Deucher wrote:
> >> On Fri, Oct 21, 2011 at 10:16 AM, Jean Delvare <jdelvare at suse.de>
> >> > Does anyone know at which speed hardware I2C engines are running
> >> > the DDC bus on various graphics cards?
> >> IIRC, we generally target the radeon hw i2c engines to run at 50 khz.
> > Then it doesn't seem unreasonable to try and achieve the same for bit-
> > banged I2C. That's exactly what my patch is doing.
> Seems fine to me then. I don't know why we set it so low to begin
> with, but I'm certainly not an i2c expert.
Seems fine for me as well.
Acked-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
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