On Thursday 22 March 2012 09:50:23 pm Daniel Vetter wrote: > On Wed, Mar 21, 2012 at 02:29:47PM +0100, Jean Delvare wrote: > > A udelay value of 20 leads to an I2C bus running at only 25 kbps. > > I2C devices can typically operate faster than this, 50 kbps should > > be fine for all devices (and compliant devices can always stretch > > the clock if needed.) > > > > FWIW, the vast majority of framebuffer drivers set udelay to 10 > > already. So set it to 10 in DRM drivers too, this will make EDID > > block reads faster. We might even lower the udelay value later if > > no problem is reported. > > > > Signed-off-by: Jean Delvare <jdelvare@xxxxxxx> > > Acked-by: Eugeni Dodonov <eugeni.dodonov@xxxxxxxxx> > > Cc: Dave Airlie <airlied@xxxxxxxxx> > > Cc: Keith Packard <keithp@xxxxxxxxxx> > > Fyi this already got merged int Dave's tree (the unsplit version) as: > > commit 1849ecb22fb3b5d57b65e7369a3957adf9f26f39 > Author: Jean Delvare <jdelvare@xxxxxxx> > Date: Sat Jan 28 11:07:09 2012 +0100 > > drm/kms: Make i2c buses faster Thanks Daniel, I just noticed this as it got merged into Linus tree last night. I had not received any ack from Dave and the git repository mentioned in MAINTAINERS is wrong so I couldn't check whether my patches were already applied or not. Anyway, the important thing is that they are in Linus' tree now. -- Jean Delvare Suse L3 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
