[PATCH] drm/edid: Dump valid EDIDs too

Chris Wilson chris at chris-wilson.co.uk
Thu Mar 29 16:47:41 UTC 2018


Quoting Ville Syrjälä (2018-03-29 17:14:05)
> On Thu, Mar 29, 2018 at 05:01:13PM +0100, Chris Wilson wrote:
> > Quoting Ville Syrjala (2018-03-29 16:50:23)
> > > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > 
> > > Having the EDID available is often very beneficial for bug analysis,
> > > even when the EDID itself is valid and not the direct cause of the
> > > bug. So let's dump the EDID to dmesg even when it's valid. This
> > > should also give us a better historical record of EDIDs for later
> > > analysis.
> > 
> > Isn't this a bit frequent for a largely unchanging blob?
> 
> Perhaps. Though ideally we shouldn't go re-reading it all the time.
> But I guess that's wisful thinking.

Ok, that was far less frequent that I expected for an igt run, though it
does look like Maarten has a few more probes to kill.
-Chris


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