Re: [PATCH v5 10/15] drm/bridge: tc358767: Add support for address-only I2C transfers
From: Andrey Smirnov
Date: Wed Jun 19 2019 - 00:38:56 EST
On Wed, Jun 12, 2019 at 9:22 AM Andrey Smirnov <andrew.smirnov@xxxxxxxxx> wrote:
> On Wed, Jun 12, 2019 at 5:48 AM Tomi Valkeinen <tomi.valkeinen@xxxxxx> wrote:
> > Hi,
> > On 12/06/2019 11:32, Andrey Smirnov wrote:
> > > Transfer size of zero means a request to do an address-only
> > > transfer. Since the HW support this, we probably shouldn't be just
> > > ignoring such requests. While at it allow DP_AUX_I2C_MOT flag to pass
> > > through, since it is supported by the HW as well.
> > I bisected the EDID read issue to this patch...
> I don't think I've had any problems on my end with this. I'll double
> check. It might be the case that yours is the only setup where the
> problem can be repro'd, though. We can drop this patch if you don't
> have time/would rather not dig into this.
Turns out I do have this problem. Just didn't pay enough attention to
notice. Will fix in v6.