"EDID checksum is invalid"

[Linus Torvalds]

On Wed, Jan 7, 2015 at 9:51 AM, Daniel Vetter <daniel at ffwll.ch> wrote:
>
> Not sure whether that'd be the same voltage rails, but
> i915.disable_power_wells=0 disable all the runtime pm we do (which
> does kick in for dpms off and shut down the entire display block and a
> bunch more)

I still get the "No HDMI (MHL) Cable" with that kernel command line,
and the same failure to come back after an extended dpms off.

So it doesn't seem to be related to the runtime pm you do on a chip level.

         Linus