Re: [PATCH] drm/edid: Dump valid EDIDs too

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxxxxxxx>
> > 
> > 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.

Not sure we have a good place where we could memcmp() the new EDID
against the old one and only print if it changed.

-- 
Ville Syrjälä
Intel OTC
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux